{"title":"Relay \u0026 Sensor Modules","description":null,"products":[{"product_id":"5v-relay-module-8-pack-1-channel-relay-board-with-optocoupler-isolation-high-low-level-trigger-dc-5v-relay-switch-module-for-arduino-raspberry-pi-pic-avr-mcu-diy-projects","title":"5V Relay Module 8 Pack, 1 Channel Relay Board with Optocoupler Isolation, High Low Level Trigger DC 5V Relay Switch Module for Arduino Raspberry Pi PIC AVR MCU DIY Projects","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBuilt for 5V Projects : This 1 channel 5V relay module works with Arduino, Raspberry Pi, PIC, AVR, ARM, MCU and other microcontroller boards.\u003c\/li\u003e\n\u003cli\u003eStable Optocoupler Isolation : The optocoupler isolation design helps reduce signal interference and keeps your control circuit more stable.\u003c\/li\u003e\n\u003cli\u003eRated for Common Loads : The relay board supports AC 250V 10A or DC 30V 10A, with NO, NC and COM screw terminals for easy wiring.\u003c\/li\u003e\n\u003cli\u003eSimple Setup : Clear labels, compact size and status indicator lights make this Arduino relay module easy to use for DIY electronics, automation and control projects.\u003c\/li\u003e\n\u003cli\u003eSimple Setup : Clear labels, compact size and status indicator lights make this Arduino relay module easy to use for DIY electronics, automation and control projects.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359069339857,"sku":"BW-B0H17RJ358","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81wzyZdFMUL._SL1254.jpg?v=1790997574"},{"product_id":"10pcs-dc-5v-relay-module-1-channel-relay-switch-board-with-optocoupler-isolation-high-or-low-level-trigger","title":"10pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5V Relay Module: Working Voltage: DC 5V; Maximum Load: AC 250V\/10A, DC 30V\/10A; Trigger Current of Opto-Isolator: 5mA\u003c\/li\u003e\n\u003cli\u003eFault-Tolerant Design: Fault Tolerant Design, Even if the Control Line is Broken, the Relay will not Operate;All Interfaces of Relay can be Wired Out Through the Terminals Directly,Normally Open and Normally Closed\u003c\/li\u003e\n\u003cli\u003eOptocoupler Isolation:1 Channel Relay Board use Optocoupler Isolation that has Strong Driving Ability and Stable Performance ,The Isolation Circuit Prevent Damages to I \/ O Port by Relay Switch Current\u003c\/li\u003e\n\u003cli\u003eJumper Design: The Relay Module has a Jumper That You Can Set Rather the Unit State Changes with High or Low Signal. Has Screw Terminals for Relay (NC,C,NO) and for Input; Coil +, Coil - and Trigger.\u003c\/li\u003e\n\u003cli\u003eWide Application: DC 5V Relay Module Works Well with ARM \/PIC \/AVR \/MCU\/Raspberry\/CNC Machine\/ PS4 etc.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359069470929,"sku":"BW-B0BHLDW9G5","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81FgAtgJe0L._SL1500.jpg?v=1790997575"},{"product_id":"3pcs-dc-5v-2ma-1-channel-relay-module-board-shield-extension-board-relay-plate-low-level-trigger-ac-250v-10a-dc-30v-10a","title":"3PCS DC 5V 2mA 1 Channel Relay Module Board Shield Extension Board Relay Plate Low Level Trigger AC 250V\/10A, DC 30V\/10A","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRelay module parameters1 Channel Relay Module: Working voltage: 5V; Static Current: 4mA; Working current:65mA; Trigger Voltage:0-1.2V; Trigger Current: 2mA; Maximum load: AC 250V\/10A, DC 30V\/10A.\u003c\/li\u003e\n\u003cli\u003eHigh Quality:The 5V relay module is made of high -quality electrical components and semiconductor elements. High structural strength, impact resistance, strong resistance to impact, small input -end drive current, can easily be connected to the computer terminal and various digital programming circuit interfaces. Electricity performance is excellent, safe and reliable, and long mechanical life.\u003c\/li\u003e\n\u003cli\u003eRelay module connection methodDC+: positive power supply (VCC); DC-: negative power supply (GND); IN: Signal input terminal; NO: normally open relay interface; COM: Common Interface Relays; NC: normally closed relay interface.\u003c\/li\u003e\n\u003cli\u003eHigh-EfficiencyThe relay shell is made of ABS flame retardant plastic.The internal structure adopts high -efficiency spring structure with high life span. High mechanical strength, reliable and stable.\u003c\/li\u003e\n\u003cli\u003eApplicationThe 5V relay module can be used as the MCU development module and can be used as home appliance control; it is widely used in industrial automation, electric furnace heating, stage lighting control, copy machine, medical equipment, petrochemical equipment, CNC machine tools and other automated control areas.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures: 1. With isolation groove in control area and load area. 2. With power and relay action indication, bright when connect and go off when disconnects. 3. When there is a signal in signal input, public side and common side will breakover. 4. It can be not only used as a microcontroller development board module, but also as a home appliance control. 5. It can not only control the DC or AC signal, but the 220V AC load. 6. With a permanent open and close vents contact. 7. It is convenient to connect with blue KF301 terminal access control cable. 8.The red light is the power LED indicator light, and the green light is the relay LED indicator light. 9.Low-level triggering refers to a triggering method in which the voltage between the signal input terminal and the ground is OV. It can be understood as a triggering method in which the signal input terminal is short-circuited to the GND negative pole. Specification: Maximum load: AC 250V\/10A, DC 30V\/10A Working voltage: 5V Trigger current: 2mA Static Current:4mA Working current:65mA Trigger voltage:0-1.2V Module size: 50 x 26 x 18.5mm (L x W x H) DC+: positive power supply (VCC) DC-: negative power supply (GND) IN: Signal input termi\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359069503697,"sku":"BW-B0CZ6VNK65","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61srWX_uTVL._SL1000.jpg?v=1790997575"},{"product_id":"5pcs-1-channel-5v-relay-module-with-optocoupler-isolation-supports-high-or-low-level-trigger-1-way-5v-red-board-expansion-board","title":"5Pcs 1 Channel 5V Relay Module with Optocoupler Isolation Supports High or Low Level Trigger 1-Way 5V Red Board Expansion Board","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis relay module uses a patch optocoupler for isolation, and each circuit can be triggered at a high or low level via a jumper\u003c\/li\u003e\n\u003cli\u003eStrong driving ability, requiring only 5mA of current to drive a relay with a control ability of 10A\u003c\/li\u003e\n\u003cli\u003eThe interface design is user-friendly, and all interfaces can be directly connected and led out through wiring terminals, which is very convenient\u003c\/li\u003e\n\u003cli\u003eModule size: 50mm * 26mm* 18.5mm (L * W * H); It is provided with 4 fixing bolt holes, holes 3.1mm, spacing 44.5mm*20.5mm\u003c\/li\u003e\n\u003cli\u003eStable performance, suitable for various microcontroller control, can be widely used in various power control occasions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359069667537,"sku":"BW-B0C1C5RKQ1","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71-9b9yMxIL._SL1500.jpg?v=1790997575"},{"product_id":"2pcs-5v-one-channel-relay-module-relay-switch-with-opto-isolation-high-low-level-trigger-5v","title":"2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (5V)","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis Relay Board provides a single relay that can be controlled by any 5V digital output from your microcontroller.\u003c\/li\u003e\n\u003cli\u003eThe module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V\/10A, DC 30V\/10A.\u003c\/li\u003e\n\u003cli\u003eUsing SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA.\u003c\/li\u003e\n\u003cli\u003eThe interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient.\u003c\/li\u003e\n\u003cli\u003eThese 5v relay board works well for Arduino\/ ARM \/PIC \/AVR \/MCU\/Raspberry\/CNC machine\/ PS4 etc.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359069700305,"sku":"BW-B0FJ5VXLM4","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61IciKcNieL._SL1001.jpg?v=1790997575"},{"product_id":"aitrip-10pcs-5v-one-channel-relay-module-relay-switch-with-opto-isolation-high-low-level-trigger-compatible-with-arduino-raspberry-pi-arm-avr","title":"AITRIP 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi ARM AVR","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ehe control DC or AC signal, you can control 220V AC load.\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 5V Quiescent Current: 4mA Working Current: 65mA Trigger Voltage: 0-2V Trigger Current: 2mA\u003c\/li\u003e\n\u003cli\u003eIt can be not only used as a microcontroller development board module, but also as a home appliance control.\u003c\/li\u003e\n\u003cli\u003eMeet International Safety Standards: the control area and the load area have isolation tank.\u003c\/li\u003e\n\u003cli\u003ePackage and Quantity: 10pcs 1 Channel 5V Relay Module Shield\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct introduction:1. this module is in line with international safety standard, control areas and load area have the isolation groove;2. USES the loose quality goods relay;3. have power and relay operation instructions, and bright, disconnect the dawn;4. signal input signal, the public end and will often start conduction;5. can be used as a microcontroller development board module, can be used as a home appliance control;6. dc or ac signal control, can control 220 v ac load;7. and one often opened a normally closed contact;8. blue KF301 terminal line more convenient.Specification:Supply Voltage: 5VQuiescent Current: 4mAWorking Current: 65mATrigger Voltage: 0-2VTrigger Current: 2mAVCC: positive power supplyGND: negative power supplyIN: can be high or low level control relayNO: normally open relay interfaceCOM: Common Interface RelaysNC: normally closed relay interfacePackage Included:10pcs x 1 Channel 5V Relay Module Low Level Trigger\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359069765841,"sku":"BW-B096M77HCJ","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81o77cB9v_S._SL1500.jpg?v=1790997575"},{"product_id":"5v-relay-module-5v-indicator-light-led-1-channel-relay-module-for-arduino-arm-pic-avr-mcu","title":"5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMicrocontroller development board can be used as modules, can be used as appliance control\u003c\/li\u003e\n\u003cli\u003e5V - 12 V control signal of the TTL\u003c\/li\u003e\n\u003cli\u003eControl DC or AC signals can control the 220V AC Load\u003c\/li\u003e\n\u003cli\u003eThere is a normally open and open normally closed contact\u003c\/li\u003e\n\u003cli\u003eUseful to control a motor, a led strip, or any other module. How to use it: Just connect a digital output of your board to your relay module, and you can control a power-demanding appliance with the digital signal\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe 5V relay module is suitable for SCM development, home appliance control. It is with 5V~12V TIL control signal which can control DC \/ AC signal. The module is perfect for common development application. Color: Blue + black Suitable for SCM development, home appliance control 5V-12V TTL control signal, can control DC\/AC signal Can control 220V AC load Useful to control a motor, a led strip, or any other module How to use it: Just connect a digital output of your board to your relay module, and you can control a power-demanding appliance with the digital signal\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359069798609,"sku":"BW-B00VRUAHLE","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/51skTYXNy5L._AC_SL1000.jpg?v=1790997576"},{"product_id":"3pcs-relay-module-for-arduino-esp32-esp8266-raspberry-pi-1-channel-5v-high-low-level-trigger","title":"3pcs Relay Module for Arduino, ESP32, ESP8266, Raspberry Pi, 1 Channel, 5V, High\/Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRelay supports Normally Open and Normally Closed\u003c\/li\u003e\n\u003cli\u003eRelay supports High-level Trigger or Low-Level Trigger selectable by a jumper\u003c\/li\u003e\n\u003cli\u003eRelay with Optocoupler Isolation\u003c\/li\u003e\n\u003cli\u003eRelay with Terminal Blocks for both Input and Output Interface\u003c\/li\u003e\n\u003cli\u003eRelay with two LED Indicators: power (green LED), the relay status (red LED)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is 3 pieces of 5V 1-channel relay modules that work with Arduino, ESP32, ESP8266, Raspberry Pi, or any 5V or 3.3V microcontroller. A single package includes 3 pieces of relay modules.  SPECIFICATION: - Normally open and normally closed. - High-level trigger or low-Level trigger selection by a jumper. - Optocoupler isolation. - Terminal blocks for both input and output. - Two LED indicators: power (green LED), the relay status (red LED). - Fault-tolerant design, even if the control line is broken, the relay will not operate. - Operating voltage (power): 5V. - Trigger voltage: 3.3V to 5V. - Trigger current: 5mA. - Maximum load: AC 250V\/10A, DC 30V\/10A - Dimension: 50mm x 26mm x 18.5mm (L x W x H).  INPUT INTERFACE: - DC+ : Connect the positive pole of the 5V power supply. - DC- : Connected the negative pole of the 5V power supply. - IN: Signal trigger input (3.3V to 5V, high or low level signal selected via a jumper).  OUTPUT INTERFACE: - NO: The normally open interface. - NC: The normally closed interface. - COM: The common interface for both normally open and normally closed.  High\/low level trigger selection jumper: - If the jumper is placed between COM and L, the relay uses \u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359069896913,"sku":"BW-B0B1ZHXXXD","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61vQMnAdRAL._SL1125.jpg?v=1790997576"},{"product_id":"5pcs-1-channel-5v-dc-relay-module-board-with-optocoupler","title":"5PCS 1 Channel 5V DC Relay Module Board with Optocoupler","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1-Channel Switching Control – Control a separate circuit via a single digital input from one compact relay board, making it a practical relay module for automation builds, test projects, and load control setups.\u003c\/li\u003e\n\u003cli\u003e5V Active-Low Trigger Design – Designed for 5V DC control systems with active-low triggering, allowing easy connection to many MCU boards, PLC outputs, and compatible control circuits.\u003c\/li\u003e\n\u003cli\u003eOptocoupler Interface – Built with onboard optocouplers to help separate the signal side from the relay side, supporting cleaner switching in mixed low-voltage and load-control projects.\u003c\/li\u003e\n\u003cli\u003eClear Status Indicators – Each relay channel includes an indicator light, so you can quickly check operating status during wiring, testing, troubleshooting, and project adjustments.\u003c\/li\u003e\n\u003cli\u003eRated for Common Control Applications – Relay contacts are rated up to AC 250V 10A or DC 30V 10A, suitable for MCU control, PLC projects, home automation, appliance switching, and other loads within the stated ratings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis 1-channel relay module is designed for projects that need independent switching from digital control signals. The active-low board operates at DC and features an opto-isolated input, which can be configured for high-level or low-level triggering via jumper settings. A channel indicator light makes it easy to verify relay status during setup and testing. The electromechanical relay is rated for loads up to AC 250V 10A, AC 125V 15A, or DC 30V 10A, making it suitable for controlling lights, fans, small pumps, solenoids, and other equipment within the stated limits. Screw terminals simplify wiring, and fixed mounting holes allow secure installation in enclosures, workbench prototypes, or control systems. With isolated inputs, open-line tolerant design, and compact form factor, this relay module is a practical choice for MCU\/PLC-based automation, switching experiments, learning labs, smart home projects, and DIY electronics work. Always follow proper wiring practices and applicable electrical codes when switching high-voltage or high-current loads.\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070027985,"sku":"BW-B0H3HNDKL4","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81YADD1wPxL._SL1500.jpg?v=1790997576"},{"product_id":"sunfounder-2-channel-dc-5v-relay-module-with-optocoupler-low-level-trigger-expansion-board-compatible-with-arduino-r3-mega-2560-1280-dsp-arm-pic-avr-stm32-raspberry-pi","title":"SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current\u003c\/li\u003e\n\u003cli\u003eEquiped with high-current relay, AC250V 10A ; DC30V 10A\u003c\/li\u003e\n\u003cli\u003eStandard interface that can be controlled directly by microcontroller (compatible with Arduino ,Raspberry Pi, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)\u003c\/li\u003e\n\u003cli\u003eIndication LED's for Relay output status\u003c\/li\u003e\n\u003cli\u003eSize: 50.5mm(L) x 38.5mm(W) x 18.5mm(H)(1.99inch x 1.54inch x 0.73inch)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359069995217,"sku":"BW-B00E0NTPP4","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71oYyAoyO3L._AC_SL1500.jpg?v=1790997576"},{"product_id":"5v-1-channel-relay-module-with-optocoupler-isolation-supports-high-and-low-level-trigger-compatible-with-arduino-and-raspberry-pi-for-diy-electronics-projects","title":"5V 1-Channel Relay Module with Optocoupler Isolation, Supports High and Low Level Trigger, Compatible with Arduino and Raspberry Pi for DIY Electronics Projects","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e**High-Quality Relay for Reliable Performance**: This module uses a genuine high-quality relay, ensuring stable and reliable performance for all your electronic projects.\u003c\/li\u003e\n\u003cli\u003e**Optocoupler Isolation for Safe Operation**: With optocoupler isolation, the module provides enhanced safety and drive capability, protecting your microcontroller from high voltages.\u003c\/li\u003e\n\u003cli\u003e**Flexible Trigger Modes**: Supports both high and low level triggers, allowing for versatile integration with various devices, including Arduino and Raspberry Pi.\u003c\/li\u003e\n\u003cli\u003e**Easy to Set Up and Use**: Features clearly labeled input and output terminals, making wiring straightforward and hassle-free, perfect for DIY enthusiasts.\u003c\/li\u003e\n\u003cli\u003e**Visual Status Indicators**: Equipped with power and operation indicator lights, providing immediate visual feedback on the module's status and helping with quick diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070060753,"sku":"BW-B0F1C6R764","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71zvsZvcuxL._SL1500.jpg?v=1790997576"},{"product_id":"3-pcs-miniature-5-volt-dc-relay-hf41f-5-zs-5-pin-1no-1nc-6a-spdt-with-led-indicator-socket-base-and-din-rail-module","title":"3 Pcs Miniature 5 Volt DC Relay HF41F\/5-ZS 5 Pin 1NO 1NC 6A SPDT with LED Indicator, Socket Base and DIN Rail Module","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL Listed Power Relay through UL and VDE certification, Socket through UL \/ CSA and CE certification.Product Name:Subminiature Power Relay，The thickness is only 0.24 \"\/6.2mm.\u003c\/li\u003e\n\u003cli\u003eElectromechanical RelaysRelay Coil Voltage: 5V DC, Contact : SPDT 1 Normally Closed + 1 Normally Open. Terminals : 5 Pin; Contact Rating: 6Amp 250VAC \/ 30VDC, Construction: Plastic seaied. Mechanical life: 10,000,000 Cycles; Electrical life: 300,000 Cycles.\u003c\/li\u003e\n\u003cli\u003eRelay Model:HF41F\/5-ZS , Relay Slim size (width 5mm), Outline size:28×5×15mm; Socket Model: 41F-1Z-C2, Size : 70.9 x 88.3 x 6.3mm \/ 2.798\"x3.48\"x 0.25\"(H*L*W)\u003c\/li\u003e\n\u003cli\u003eMount Rail Type : 35mm (1.38\") DIN Rail; DIN Rail length :78mm (3.07\").\u003c\/li\u003e\n\u003cli\u003ePackagePackage Content : 3× Power Relay , 3× Socket Base, 1x 35mm DIN Rail Slotted Aluminum , 2×Screw.Ambient temperature: -40℃ ~ 70℃.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070224593,"sku":"BW-B09QQJ3ZKD","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61WGyqyvhDL._SL1500.jpg?v=1790997577"},{"product_id":"shelly-1pm-gen4-smart-relay-switch-power-metering-1-channel-16a-2-pack","title":"Shelly 1PM Gen4, Smart Relay Switch, Power Metering, 1-Channel 16A, 2 Pack","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe Shelly 1PM Gen4 is a Wi-Fi, Zigbee \u0026amp; Matter smart switch that provides remote control and precise power monitoring for your appliances. It also functions as a Bluetooth gateway, enhancing your smart home connectivity. No hub required! With a quick, under-10-minute setup, you can automate your devices and manage them from anywhere. Its compact design fits behind most wall switches and sockets, making it an effortless retrofit for seamless integration into your existing smart home system.\u003c\/li\u003e\n\u003cli\u003eSmart Home Integration \u0026amp; Voice Control - Seamlessly works with Amazon Alexa, Google Home, Home Assistant, Samsung SmartThings, and other leading smart home platforms. Control lights and appliances using simple voice commands, create custom automations, schedules, and scenes, and manage your home remotely from anywhere using the Shelly Smart Control app or your preferred platform.\u003c\/li\u003e\n\u003cli\u003eEnergy Monitoring Made Easy - With Shelly 1PM Gen4, track real-time power consumption of appliances like water heaters, kitchen devices, and washing machines. Identify energy-hungry devices and optimize usage to boost efficiency and reduce costs.\u003c\/li\u003e\n\u003cli\u003eSmart Socket Control - Install Shelly 1PM Gen4 behind any socket to automate and manage appliances on your schedule. Remotely power devices like space heaters or turn off electronics at night. With built-in energy monitoring, track consumption to spot energy hogs and cut overall power usage.\u003c\/li\u003e\n\u003cli\u003eShelly is one of the fastest-growing Smart Home brands, offering automation solutions for homes, buildings, and businesses. Device include a 3-year warranty and professional support. With the Shelly Smart Control App, you can configure and manage devices remotely, get real-time notifications, and create personalized scenes by combining Shelly devices to trigger automated actions across your smart home.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070257361,"sku":"BW-B0F923K4CG","price":100.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81e9GwZQR0L._SL1500.jpg?v=1790997577"},{"product_id":"dc-5v-relay-module-1-channel-relay-switch-with-optocoupler-isolation-high-low-level-trigger-pack-of-10","title":"DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High\/Low Level Trigger, Pack of 10","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eControl DevicesThe 1-channel relay module uses genuine high quality DC5V relay and SMD opto-isolator supporting high\/low level trigger, widely apply to control various AC\/DC appliances, and other devices with large current.\u003c\/li\u003e\n\u003cli\u003eLoad RangeNO(Normally open) maximum load \u0026lt; AC 250V\/10A, \u0026lt; DC 30V\/10A. Trigger current of opto-isolator: 5mA.\u003c\/li\u003e\n\u003cli\u003eFault-tolerant DesignThe relay will not operate even if the control line is disconnected.\u003c\/li\u003e\n\u003cli\u003eUniversal InterfaceEquipped with screwed terminal plate and fixed bolt holes(diameter: 3.1 mm) on both sides for easy installation.\u003c\/li\u003e\n\u003cli\u003eHigh CompatibilityThe relay module can be controlled directly by 5V logic signals from microcontroller(8051, AVR, PIC, DSP, ARM, Raspberry Pi, MSP430, TTL logic etc)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070322897,"sku":"BW-B07WQH63FB","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/710KztcEgZL._AC_SL1410.jpg?v=1790997577"},{"product_id":"4pcs-dc-5v-relay-module-2-channel-relay-board-with-optocoupler-support-high-or-low-level-trigger","title":"4pcs DC 5V Relay Module 2 Channel Relay Board with Optocoupler Support High or Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 Channel Relay Module Voltage : 5V; Normally Open Interfaces Maximum Load : AC 250V\/10A, DC 30V\/10A\u003c\/li\u003e\n\u003cli\u003e2 Channel Relay Module 5V Comes with High-Current Relay,Trigger Current : 5mA\u003c\/li\u003e\n\u003cli\u003e5V Relay Module is 2 Channel Isolated, Each Relay Can Individually Switch On\/Off by An Opto-Isolated Digital Input\u003c\/li\u003e\n\u003cli\u003eRelay Module Designed With Fault-Tolerant , Even If The Control Line Breaks, The Relay Will Not Move; With Optical Coupling Isolation,Triggering More Reliable and Stable\u003c\/li\u003e\n\u003cli\u003e2 Channel Module Equipped With Screwed Terminal Plate and Fixed Bolt Holes,Standard Interface Can Connect With Microcontrollers and be Controlled by a Wide Range of Microcontrollers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070388433,"sku":"BW-B099MC4TJD","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81FmH5Q1ywL._SL1500.jpg?v=1790997578"},{"product_id":"10pcs-5v-1-channel-relay-module-kit-for-arduino-high-low-trigger","title":"10PCS 5V 1 Channel Relay Module Kit for Arduino, High\/Low Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCOMPLETE 10PCS RELAY MODULE KIT: Includes 10 DC 5V 1 channel relay modules, 20cm jumper wires in M\/M, M\/F and F\/F types, plus 0.25W resistors in 10K, 1K and 220R values for convenient circuit setup.\u003c\/li\u003e\n\u003cli\u003eDC 5V HIGH\/LOW LEVEL TRIGGER: The relay board supports both high level and low level trigger control, making it suitable for common 5V microcontroller signal applications.\u003c\/li\u003e\n\u003cli\u003eOPTOCOUPLER ISOLATION AND EASY WIRING: Each 1 channel relay switch board uses optocoupler isolation, screw terminals and mounting holes for stable signal switching and simple installation.\u003c\/li\u003e\n\u003cli\u003eAC\/DC LOAD CONTROL RATING: Relay contact rating is AC 250V 10A or DC 30V 10A. Use only within the rated electrical range for signal switching and load control projects.\u003c\/li\u003e\n\u003cli\u003eFOR ARDUINO RASPBERRY PI DIY PROJECTS: Designed for electronics learning, prototyping, automation and microcontroller relay control projects where a compact 5V relay module is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis DC 5V 1 channel relay module set is built for convenient wiring, signal switching, and module connection. In addition to the relay boards, the set also includes 20cm jumper wires in 3 connector types and 0.25W resistors in 3 common values, making the package more complete for circuit setup.The relay board supports both high level and low level trigger modes, offering flexible control for different connection requirements. Each module features optocoupler isolation, screw terminals, and mounting holes for practical installation and wire connection.The included jumper wires are available in male to male, male to female, and female to female types. The resistor assortment includes 10K, 1K, and 220R values. These accessories help reduce the need for additional parts when setting up relay control circuits.The relay contact rating is AC 250V 10A or DC 30V 10A. Suitable for use within the rated electrical range for switching and control applications.\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070453969,"sku":"BW-B0GWMFSNBL","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71p8s1nvjXL._SL1000.jpg?v=1790997579"},{"product_id":"hiletgo-2pcs-5v-one-channel-relay-module-relay-switch-with-opto-isolation-high-low-level-trigger","title":"HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V\/10A, DC 30V\/10A.\u003c\/li\u003e\n\u003cli\u003eUsing SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA.\u003c\/li\u003e\n\u003cli\u003eFault-tolerant design, even if the control line is broken, the relay will not move.\u003c\/li\u003e\n\u003cli\u003eThe interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient.\u003c\/li\u003e\n\u003cli\u003eThe Module can be set by jumper high or low trigger.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eModule description: 1.The module Operating voltage 5V;2.Fault-tolerant design, even if the control line is broken, the relay will not operate;3.The power indicator (green), the relay status indicator (red);4.Module size: 50mm*26mm*18.5mm (L*W*H). Interface: -Input VCC: Relay power supply +  GND: Relay power supply - IN: Signal trigger input (High or Low Level Signal, select via jumper)  -OutputNO: Relay normally open.COM: Relay Common Pin NC: Relay normally closed. High or Low Level Trigger Select: 1. Use High Level Trigger When ¡°IN¡± input High Level Signal, the ¡°NO¡± connect with ¡±COM¡± When ¡°IN¡± input Low Level Signal, the ¡°NC¡± connect with ¡°COM¡± 2. Use Low Level Trigger When ¡°IN¡± input Low Level Signal, the ¡°NO¡± connect with ¡±COM¡± When ¡°IN¡± input High Level Signal, the ¡°NC¡± connect with ¡°COM¡± 3. High or Low Level Trigger Select Jumper connect with L, Low Level Trigger Jumper connect with H, High Level Trigger Package Included： 2* 5V 1 Channel Relay Module\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070519505,"sku":"BW-B00LW15A4W","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61Ynyg4Sd8L._SL1100.jpg?v=1790997578"},{"product_id":"4pcs-dc-5v-relay-module-1-channel-relay-switch-board-with-optocoupler-isolation-high-or-low-level-trigger","title":"4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5V Relay Module: Working Voltage: DC 5V; Maximum Load: AC 250V\/10A, DC 30V\/10A; Trigger Current of Opto-Isolator: 5mA\u003c\/li\u003e\n\u003cli\u003eFault-Tolerant Design: Fault Tolerant Design, Even if the Control Line is Broken, the Relay will not Operate;All Interfaces of Relay can be Wired Out Through the Terminals Directly,Normally Open and Normally Closed\u003c\/li\u003e\n\u003cli\u003eOptocoupler Isolation:1 Channel Relay Board use Optocoupler Isolation that has Strong Driving Ability and Stable Performance ,The Isolation Circuit Prevent Damages to I \/ O Port by Relay Switch Current\u003c\/li\u003e\n\u003cli\u003eJumper Design: The Relay Module has a Jumper That You Can Set Rather the Unit State Changes with High or Low Signal. Has Screw Terminals for Relay (NC,C,NO) and for Input; Coil +, Coil - and Trigger.\u003c\/li\u003e\n\u003cli\u003eWide Application: DC 5V Relay Module Works Well with ARM \/PIC \/AVR \/MCU\/Raspberry\/CNC Machine\/ PS4 etc.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070552273,"sku":"BW-B095YD3732","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71K7q_G06aL._SL1500.jpg?v=1790997578"},{"product_id":"5v-1-channel-solid-state-relay-module-low-level-trigger-5a-dc-control-for-raspberry-pi","title":"5V 1 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e**Efficient Control for DIY Projects:** This 5V 1 Channel Solid State Relay Module is perfect for controlling high-current operations with low-level triggers, ideal for Raspberry Pi projects.\u003c\/li\u003e\n\u003cli\u003e**Reliable Performance:** With a load current capacity of 5A and support for 5-220VDC load voltage, this module ensures stable performance for a wide range of applications.\u003c\/li\u003e\n\u003cli\u003e**User-Friendly Design:** Easy to install with clear pin descriptions and a simple trigger mechanism, making it accessible for both beginners and experienced users.\u003c\/li\u003e\n\u003cli\u003e**Enhanced Safety and Durability:** Built-in diode protection and a robust design ensure long-lasting durability, providing safety against electrical mishaps.\u003c\/li\u003e\n\u003cli\u003e**Versatile Application:** Perfect for automated control systems, robotics, and other electronics projects requiring precise control of DC loads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070585041,"sku":"BW-B0F1BX88CL","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61f552EPkIL._SL1500.jpg?v=1790997578"},{"product_id":"8pack-1-channel-5v-relay-module-high-low-level-trigger-relay-board","title":"8Pack 1 Channel 5V Relay Module High\/Low Level Trigger Relay Board","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e★Excellent QualityRelay Board Maximum load: AC 250V\/10A, DC 30V\/10A With power and relay action indicator.Trigger current 5mA.\u003c\/li\u003e\n\u003cli\u003e★Powerful FunctionThe module can be set high or low triggered by jumper.Module size：50*25*18.5mm.\u003c\/li\u003e\n\u003cli\u003e★Design Features Fault-tolerant design, even if the control line breaks, the relay will not move; With optical coupling isolation, triggering more reliable, more stable.\u003c\/li\u003e\n\u003cli\u003e★Easy to InstallEquipped with a terminal block and fixed bolt holes on both sides (diameter: 3.1mm), the interface can be directly connected through the terminal block.\u003c\/li\u003e\n\u003cli\u003e★Widely UsedStandard interface can be directly connected with microcontrollers. Apply to ARM、PIC、AVR、MCU、Raspberry、CNC machine and PS4 etc.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070716113,"sku":"BW-B07S48BVK5","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81WySLE4d6L._SL1500.jpg?v=1790997579"},{"product_id":"hiletgo-2pcs-5v-30a-one-channel-relay-module-optocoupler-isolation-high-and-low-trigger-5v","title":"HiLetgo 2pcs 5V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 5V","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5V 12V 24V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger\u003c\/li\u003e\n\u003cli\u003eWith optocoupler isolation, strong drive capability, stable performance; trigger current 5mA.\u003c\/li\u003e\n\u003cli\u003eFriendly interface design, all interfaces can be directly connected through the terminal leads, very convenient.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDescription:  1. This relay module uses high quality 30A relay, normally open interface maximum load: AC 250V\/30A, DC30V\/30A. 2. It use optocoupler isolation, strong drive capability, stable performance; trigger current 5mA.  3. Voltage: 5V, 12V, 24V optional 4. Use the jumper wire to set high or low trigger 5. Friendly interface design, all interfaces can be directly connected through the terminal leads, very convenient.  Parameters:  Relay voltage: 5V Quiescent current: 5mA Maximum current: 190mA Trigger current: 2-4mA Relay voltage: 12V Quiescent current: 5mA Maximum current: 80mA Trigger current: 2-4mA Relay voltage: 24V Quiescent current: 5mA Maximum current: 50mA Trigger current: 2-4mA Wiring: 1.DC +: DC power supply positive (trigger terminal voltage positive) 2.DC-: DC power supply negative (trigger terminal voltage negative) 3.IN: Signal trigger terminal (the default trigger voltage and power supply the same) 4. High\/Low level trigger mode selection, as shown, jumper and L-side connection, IN-side low-level trigger, connected with the H-side high trigger 5. NC (NC): Normally closed 6. Common (COM): Common 7. NO(NO): Normally open Package included:  2 x 30A One Channel Rela\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070847185,"sku":"BW-B0CHFJSNP6","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61x2AgheUWL._SL1050.jpg?v=1790997579"},{"product_id":"noyito-1-channel-usb-relay-module-usb-intelligent-control-switch-usb-switch-1-channel-usb","title":"NOYITO 1-Channel USB Relay Module USB Intelligent Control Switch USB Switch (1-Channel USB)","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOnboard high-performance micro-controller chip. Onboard CH340 USB controller chip.Onboard Power LED and relay status LED.\u003c\/li\u003e\n\u003cli\u003eOnboard 5V, 10A \/ 250VAC, 10A \/ 30VDC relay, relay life long continuous pull 100,000 times.\u003c\/li\u003e\n\u003cli\u003eOne-year after-sale warrantyRelay modules with overcurrent protection and freewheeling diode protection.\u003c\/li\u003e\n\u003cli\u003eNOYITO 8-Channel Micro USB Relay Module ASIN：B09RGTSHHW\u003c\/li\u003e\n\u003cli\u003eNOYITO 4-Channel Micro USB Relay Module ASIN：B09RGVQXXT.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAugust 19, 2024 - We updated the product and fixed some unstable bugs. We will continue to upgrade the product in the future.  Similar products: 8-Channel Micro USB Relay Module ASIN：B09RGTSHHW 4-Channel Micro USB Relay Module ASIN：B09RGVQXXT 2-Channel Micro USB Relay Module ASIN：B081RM7PMY Copy the ASIN to the search box and search. Features Onboard high-performance micro-controller chip. OnBoard CH340 USB controller chip. Onboard Power LED and relay status LED. Onboard 5V, 10A \/ 250VAC, 10A \/ 30VDC relay, relay life long continuous pull 100,000 times. Relay modules with overcurrent protection and freewheeling diode protection.  Interface Description: NC: Relay normally closed interface. COM: Relay common interface。 NO: Relay normally open interface.  USB switch default communication baud rate: 9600BPS. USB switch communication protocol Data (1) --- start flag (default is 0xA0) Data (2) --- switch address codes (0x01 the first switch) Data (3) --- operating data (0x00 is \"off\", 0x01 is \"on\") Data (4) --- check code For example: Turn on the relay switch: A0 01 01 A2 Turn off the relay switch: A0 01 00 A1  Usage Description: 1. Connect the USB relay module to the computer and instal\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070814417,"sku":"BW-B081RLY4T8","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/7118YFUfXSL._SL1500.jpg?v=1790997579"},{"product_id":"hiletgo-5v-1-channel-self-locking-bistable-one-button-start-stop-self-locking-relay-module-relay-switch-for-mcu-control","title":"HiLetgo 5V 1 Channel Self Locking Bistable One Button Start\/Stop Self-Locking Relay Module Relay Switch for MCU Control","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUsing double-panel design PCB; MCU control, stable and reliable performance, strong anti-interference, will not trigger by mistake, superior performance than CD4013;\u003c\/li\u003e\n\u003cli\u003eWith high-power regulator to provide adequate and stable voltage, and have enough cooling holes to ensure long-term stable and reliable products work;\u003c\/li\u003e\n\u003cli\u003eWith anti-power reverse diode protection, a short time reverse power supply without any damage to the product;\u003c\/li\u003e\n\u003cli\u003eThe use of genuine Songle relay control load, 250V 10A (AC) and 30V 10A (DC) under the load can withstand;\u003c\/li\u003e\n\u003cli\u003eTriggering can also be an external trigger switch, the product is equipped with a good seat and lead wire, more convenient to use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct Usage: Press the trigger button, the relay pull lock, press again, the relay is disconnected, you can also contact the trigger switch, and trigger with a low level.Household appliances control, family lighting control, factory equipment control, for a variety of small current control high-voltage high-power product control.Other Features:1.Tactile switch as a product testing, direct testing of product stability;2.Trigger can also be used to trigger other sensor modules, as long as the trigger is active low, the function has more extensions Electrical parameters:Supply voltage: 5V Supply current: more than 100mALoad: 250V 10A (AC) or 30V 10A (DC)Life expectancy: 1 million timesProduct instructions:1. Press the voltage version connected to the appropriate direct power supply;2. Power can not be reversed, although the protection circuit, but can not be reversed for a long time;3. The load power To leave a certain margin for the relay load should be avoided high-power (2000W or so) and long working environment, the product life will have a certain impact.Package Included:1*5V 1 Channel Latching Relay Module with Touch Bistable Switch\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070879953,"sku":"BW-B00LW2VLS0","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61X1v1TV6QL._AC_SL1010.jpg?v=1790997579"},{"product_id":"10pcs-5v-1-ch-relay-module-optocoupler-for-arduino-high-low-trigger","title":"10PCS 5V 1-Ch Relay Module Optocoupler for Arduino High\/Low Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e►1 Channel Relay Module:The module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V\/10A, DC 30V\/10A; Trigger current 5mA，Module operating voltage is 5V.\u003c\/li\u003e\n\u003cli\u003e►Product introduction:The module can be set to trigger high or low level by jumper, fault tolerant design, even if the control line is broken, the relay will not move\u003c\/li\u003e\n\u003cli\u003e►Easy to connect:Power indicator (green), relay status indicator (red), user-friendly interface design, all interfaces can be directly connected through the terminal block, very convenient\u003c\/li\u003e\n\u003cli\u003e►Design On Interfaces:It have 4 fixing bolt holes, hole 3.1mm, spacin44.5mm*20.5mm;Very versatile, you can reverse the input logic with the jumper.\u003c\/li\u003e\n\u003cli\u003e►Wide Application:These 5v relay board works well with ARM \/PIC \/AVR \/MCU\/Raspberry\/CNC machine\/ PS4 etc.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359070945489,"sku":"BW-B087QF1M3K","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81g2Syr30ZL._SL1500.jpg?v=1790997580"},{"product_id":"diann-2pcs-5v-30a-1-channel-relay-module-high-low-level-trigger-with-optocoupler-isolation-load-for-plc-automation-equipment-control-industrial-control","title":"DIANN 2pcs 5V 30A 1-Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load for PLC Automation Equipment Control Industrial Control","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRelay Module Load Voltage: DC 30V \/ AC 250V 30A ; Module Power Supply : DC 5V（Module Supply Voltage Must Be DC, and the Voltage to be Consistent with the Relay Voltage.); Trigger Current : 5mA\u003c\/li\u003e\n\u003cli\u003eHigh Quality: 30A 1-Channel Relay Module With Optocoupler Isolation, Anti-Interference Ability and with Relay On \/ Off LED Indicator. Ensuring Stable and Reliable Performance for Various Industrial Control Scenarios Such as PLC Automation Equipment Control and Industrial System Control\u003c\/li\u003e\n\u003cli\u003eConvenient to Operation: 30A 1-Channel Relay Module Designed for User-friendly Operation, with Jumper Settings for High or Low-Level Triggering, Ensuring Simplicity in Setup. All Interfaces Can be Wired through Terminal Blocks Directly, Facilitating Quick Assembly and Debugging\u003c\/li\u003e\n\u003cli\u003eApplications: 30A 1-Channel Relay Module Suitable for PLC Automation Equipment Control, Industrial System Control,IOT Control,Electronic Enthusiasts to Develop Experiments, Meeting the Control Needs of Different Fields. An Ideal Choice for Both Professional Users and Electronic Enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071142097,"sku":"BW-B0D5LC1JTJ","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71wX3rK1D9L._SL1500.jpg?v=1790997580"},{"product_id":"5pcs-dc-5v-1-channel-relay-module-board-shield-with-optocoupler-isolation-support-high-or-low-level-compatible-development-board-trigger","title":"5Pcs DC 5V 1 Channel Relay Module Board Shield with Optocoupler Isolation Support High or Low Level Compatible Development Board Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis Relay Board Maximum load: AC 250V\/10A, DC 30V\/10A With power and relay action indicator.each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground.\u003c\/li\u003e\n\u003cli\u003eMain Specification Peak Load of NO Connector: AC 250V\/10A, DC 30V\/10A; Trigger Current: 5mA; The Module Operating Voltage:5V.\u003c\/li\u003e\n\u003cli\u003eThese Relay Board use photocoupler isolation that has strong driving ability and stable performance.The isolation circuit prevent damages to I \/ O port by relay switch current.The module has a jumper so you can set rather the unit state changes with high or low signal. Has screw terminals for relay (NC,C,NO) and for input; Coil +, coil - and trigger.\u003c\/li\u003e\n\u003cli\u003eUsing SMD optocoupler isolation, strong driving capability, stable performance.Fault tolerant design, even if the control line is broken, the relay will not operate; And interface design humanized, all the interface can be directly connected through the terminal lead, so convenient.\u003c\/li\u003e\n\u003cli\u003eWide Application These 5V relay board works well with for ARM \/PIC \/AVR \/MCU\/Raspberry\/CNC machine \/etc.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct description  Size:1 Channel   Specifications:  Voltage: DC 5V  Working Current: 65mA  Trigger Current: 3mA  Load Current: 10A max  Single Socket Length: 7.5mm  Response Time: \u0026lt;20ms  The module uses genuine quality relay, normally open interfaces  Maximum load: AC 250V\/10A, DC 30V\/10A  SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA  The module voltage 5V  The module can be set high or low triggered by jumper  Fault-tolerant design, even if the control line is broken, the relay will not operate  Power indicator (green), relay state indicator (red)  Interface design user-friendly, all interfaces are available through the wiring terminal direct connection leads, very convenient  Power Interface： DC +: positive power supply (voltage by relay requirements, 5V.9V.12V and 24V selection)  DC-: negative one  IN: can be high or low level control relay  Load Interface:  NO: normally open relay interfaces, relay before hanging, pull back and COM short-circuited  COM: Relay Common Interface  NC: normally closed relay interfaces, relay and COM short-circuited before, after the pull-vacan  Package including:  5 x DC 5v 1 Channel Module Board\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071240401,"sku":"BW-B08C71QL65","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61rp5GGxWrL._AC_SL1000.jpg?v=1790997580"},{"product_id":"diann-4pcs-5v-30a-1-channel-relay-module-high-low-level-trigger-with-optocoupler-isolation-load-dc-30v-ac-250v-30a-for-plc-automation-equipment-control-industrial-control","title":"DIANN 4pcs 5V 30A 1-Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 30A for PLC Automation Equipment Control Industrial Control","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRelay Module Load Voltage: DC 30V \/ AC 250V 30A ; Module Power Supply : DC 5V（Module Supply Voltage Must Be DC, and the Voltage to be Consistent with the Relay Voltage.); Trigger Current : 5mA\u003c\/li\u003e\n\u003cli\u003eHigh Quality: 30A 1-Channel Relay Module With Optocoupler Isolation, Anti-Interference Ability and with Relay On \/ Off LED Indicator. Ensuring Stable and Reliable Performance for Various Industrial Control Scenarios Such as PLC Automation Equipment Control and Industrial System Control\u003c\/li\u003e\n\u003cli\u003eConvenient to Operation: 30A 1-Channel Relay Module Designed for User-friendly Operation, with Jumper Settings for High or Low-Level Triggering, Ensuring Simplicity in Setup. All Interfaces Can be Wired through Terminal Blocks Directly, Facilitating Quick Assembly and Debugging\u003c\/li\u003e\n\u003cli\u003eApplications: 30A 1-Channel Relay Module Suitable for PLC Automation Equipment Control, Industrial System Control,IOT Control,Electronic Enthusiasts to Develop Experiments, Meeting the Control Needs of Different Fields. An Ideal Choice for Both Professional Users and Electronic Enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071207633,"sku":"BW-B0DKNPZFW3","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71LIsf-DMDL._SL1500.jpg?v=1790997580"},{"product_id":"10pcs-5v-1-channel-relay-module-low-level-trigger-expansion-plate-load-controlled-switch-module","title":"10pcs 5V 1 Channel Relay Module Low Level Trigger Expansion Plate Load Controlled Switch Module","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 Channel Relay Module: Operating Voltage: 5V; Static Current: 5.;Static Current: 42mA; Trigger Voltage: 0-4V; Trigger Current: 3mA;Indicator Light: LED\u003c\/li\u003e\n\u003cli\u003eHigh Quality: 5V Relay Module Made of High Quality Electrical Element and Semiconductor Components. High Structural Strength, Impact Resistance, Strong Shock Resistance, Small Driving Current at the Input End Can Easily Interface with Computer Terminals and Various Digital Programmed Circuits. Excellent Electrical Conductivity, Safe and Reliable,Long Mechanical Life\u003c\/li\u003e\n\u003cli\u003eHigh-Efficiency: The Shell of Relays is Made of ABS Flame Retardant Plastic Material, Wear Resistant, High Temperature Resistant, Dust-proof and Oil Resistant. The Internal Structure Adopts a High-Efficiency Spring Structure and Has a High Life. High Mechanical Strength, Reliable and Stable\u003c\/li\u003e\n\u003cli\u003eApplication: 5V Relay Module Can be Used as a MCU Development Board Module, Can be Used as Home Appliances Control; Widely Used in Industrial Automation, Electric Furnace Heating, Stage Lighting Control, Photocopiers, Medical Equipment, Petrochemical Equipment,CNC Machine Tools and Other Automation Control Areas and So On etc.\u003c\/li\u003e\n\u003cli\u003ePackage Contents: 10pcs 1 Channel Relay Module 5V Low Level Trigger Relay Expansion Plate Load Controlled Relay Switch Module, Which Can Set Low Level Trigger with Jumper, to Meet the Demand of More Trigger Applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071305937,"sku":"BW-B0CMHJPQDL","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/816OO8cn38L._SL1500.jpg?v=1790997580"},{"product_id":"5v-one-channel-relay-module-relay-switch-with-opto-isolation-high-low-level-trigger-pack-of-10","title":"5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (Pack of 10)","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConvenience: The relay board is designed with 1 interface, humanized design, input and output terminals, and convenient wiring.\u003c\/li\u003e\n\u003cli\u003eWith indicator light: with power supply and working dual indicator lights. Power indicator (green), relay status indicator (red)\u003c\/li\u003e\n\u003cli\u003eInsulation design: The relay board is insulated with a patch optocoupler, and the insulation circuit prevents the relay switching current from damaging the E\/A port.\u003c\/li\u003e\n\u003cli\u003eHigh quality: The module adopts normally open interface, high quality relay, the maximum load of the relay module: AC 250V\/10A, DC 30V\/10A.\u003c\/li\u003e\n\u003cli\u003eWide range of applications: suitable for all kinds of single-chip microcomputers, and can be widely used in various power control occasions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSpecifications: Material: PCB Control signal: TTL Trigger current: 5mA Operating voltage: 5V Maximum load: AC 250V\/10A, DC 30V\/10A Maximum Switching voltage: 250VAC, 30V Trigger voltage: 0-1.5V (LOW); 3-5V (HIGH) LED Indicators: Power Indicator: Green Relay status display: Red Relay output: 1. NO: The relay is normally open, the relay is suspended before it is closed, and it is short-circuited with COM after it is closed. 2. COM: relay common interface 3. NC: The relay is normally closed interface, the relay is short-circuited with COM before it is pulled in, and it is left in the air after it is pulled in. Package includes: 10 x 1 channel 5V relay module with optocoupler.\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071371473,"sku":"BW-B0B4W96QTR","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81-WkRhyfjL._SL1500.jpg?v=1790997581"},{"product_id":"8-channel-relay-module-dc-5v-relay-board-with-opto-isolated-support-high-or-low-level-trigger","title":"8 Channel Relay Module DC 5V Relay Board with OPTO-Isolated Support High or Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e8 Channel Relay Module’s Path Can Be Triggered By High Level or Low Level Through Jumper Setting; Trigger Current of Opto-Isolator: 5mA\u003c\/li\u003e\n\u003cli\u003eThis 5V Relay Module is 8 Channel Isolated, Each Relay Can Individually Switch On\/Off By An Opto-Isolated Digital Input\u003c\/li\u003e\n\u003cli\u003e5V 8 Channel Relay Module Comes with High-Current Relay,Maximum Load: AC 250V 10A;AC 125V 15A ; DC 30V 10A\u003c\/li\u003e\n\u003cli\u003eThis Module Design With Fault-Tolerant , Even If The Control Line Breaks, The Relay Will Not Move; With Optical Coupling Isolation,Triggering More Reliable and Stable\u003c\/li\u003e\n\u003cli\u003eThe Module Equipped With Screwed Terminal Plate and Fixed Bolt Holes,Standard Interface Can Connect With Microcontrollers and be Controlled By a Wide Range of Microcontrollers Directly\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071404241,"sku":"BW-B099MVQ5Q5","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81jrsEVDajL._SL1500.jpg?v=1790997580"},{"product_id":"esp32-c3-relay-module-2-channel-low-level-trigger-board","title":"ESP32-C3 Relay Module, 2-Channel Low-Level Trigger Board","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect ESP32-C3 Plug-and-Play Design: Seamlessly connects with ESP32-C3 development boards without complex wiring. Ideal for quick DIY setup of smart home automation and remote control projects. The onboard socket connects directly to the ESP32-C3's 5V, GND, GPIO5, and GPIO6 pins (power supply and dual-channel relay control signals).\u003c\/li\u003e\n\u003cli\u003eESPHome \u0026amp; Home Assistant Ready: Fully compatible with ESPHome and Home Assistant platforms. Includes GitHub documentation and practical code examples for rapid integration into your smart home network.\u003c\/li\u003e\n\u003cli\u003eVersatile Power Options: Flexible power input via Type-C USB port or 5V screw terminal block, allowing reliable power delivery based on your specific setup needs.\u003c\/li\u003e\n\u003cli\u003e4 Flexible Operating Modes: Supports Type-C power, 5V terminal power, standalone PH2.0-4Pin connection to external microcontrollers, and pin expansion for attaching extra sensors alongside the ESP32-C3.\u003c\/li\u003e\n\u003cli\u003eReliable Low-Level Trigger: Features 2-channel low-level trigger relays for accurate and stable signal control, suitable for switching household appliances and low-voltage circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your smart home projects with this 2-Channel Relay Module designed specifically for ESP32-C3 development boards. Eliminate messy breadboard connections and tedious wiring—simply plug in your ESP32-C3 board (Included) to start building custom remote-controlled switches and automation systems.Native support for ESPHome and Home Assistant ensures smooth integration into your existing home network. We provide complete GitHub documentation along with ready-to-use ESPHome example code to help you get started immediately.Docs: github.com\/nulllaborg\/esp32-c3-relay-moduleKey Operating Modes1. Type-C Powered: Connect an ESP32-C3 and power the setup directly via the Type-C USB port. The onboard socket connects directly to the ESP32-C3's 5V, GND, GPIO5, and GPIO6 pins (power supply and dual-channel relay control signals).2. Terminal Powered: Connect an ESP32-C3 and power via the 5V screw terminal block.3. External Microcontroller Use: Connect directly to other controllers using the standard PH2.0-4Pin interface (Support 3.3V \/5V).4. Sensor Expansion Mode: Plug in an ESP32-C3 while utilizing extra header pins to connect external sensors (e.g., temperature, motion, or light sensors).Spec\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071437009,"sku":"BW-B0H7RVJ34X","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81_YUAyADUL._AC_SL1500.jpg?v=1790997581"},{"product_id":"2-channel-dc-5v-relay-module-with-optocoupler-control-board","title":"2 Channel DC 5V Relay Module with Optocoupler Control Board","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual Channel Precision ControlWith our compact 5V DC relay module, it is easy to manage two independent circuits. Relay control module are highly suitable for automation projects, robots, or IoT devices that require synchronous switching without cross interference between channels.\u003c\/li\u003e\n\u003cli\u003eSuper FunctionalThe low power consumption of the relay module (15-20mA per channel) ensures compatibility with breadboards and portable power solutions. The relays adopts optocoupler isolation, which has strong anti-interference performance.\u003c\/li\u003e\n\u003cli\u003eIndustrial Grade SafetyBuilt-in optocoupler isolation protects sensitive control circuits from voltage spikes, while flame-retardant PCBs and screw-terminal blocks meet standards. There are 4 fixing screw holes around the relay board, with a diameter of 3.1mm, which are convenient for installation and fixation. Perfect for garage door openers or smart light systems.\u003c\/li\u003e\n\u003cli\u003eWith Indicator LightThe LED indicator lights of each channel of the 5v relay module provide real-time relay activation feedback. Very convenient for electromechanical operations used for educational purposes in classrooms or maker studios.\u003c\/li\u003e\n\u003cli\u003e5v Relay ModuleThe relay can operate at ultra-low 5V DC (15mA\/channel) and is compatible with solar systems and USB battery packs. Including Python\/C++code examples for rapid prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071469777,"sku":"BW-B0F9WXD17K","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/613_vvaSBlL._SL1500.jpg?v=1790997581"},{"product_id":"hiletgo-2pcs-dc-24v-2-channel-relay-module-with-isolated-optocoupler-high-and-low-level-h-l-level-trigger-module-triggered-by-dc-24v","title":"HiLetgo 2pcs DC 24V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H\/L Level Trigger Module Triggered by DC 24V","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSMD optocoupler isolation, driving ability, stable performance; trigger current 5mA;\u003c\/li\u003e\n\u003cli\u003eUser-friendly interface design, all interfaces are available through the wiring terminal direct connection leads, very convenient.\u003c\/li\u003e\n\u003cli\u003eMD optocoupler isolation, driving ability, stable performance; trigger current 5mA;\u003c\/li\u003e\n\u003cli\u003eAuthentic quality module 30A relay, normally open interfaces Maximum load: AC 250V \/ 30A, DC 30V \/ 30A;\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e24V 2 Channel Relay Module With OPTO-Isolated Support High and Low Level Triggered  Description:  1 .The module uses genuine quality relay, normally open interfaces Maximum load: AC 250V\/10A, DC 30V\/10A; 2.Using SMD OPTOCOUPLER isolation, driving ability, stable performance; trigger current 5mA; 3.The module voltage is 5V, 9,12 V, 24V are available ; 4.The module can be set to high or low triggered by jumper; 5 .Fault-tolerant design, even if the control line is broken, the relay will not operate; 6.The power indicator (green) , relay status indicator (red)  7 .Interface design humane, all interfaces can be connected directly via terminal wiring leads , very convenient  8 .Module size : 50mm * 41mm * 18.5mm (L * W * H)  9 .Has four mounting bolts holes , hole 3.1mm, 44.5mm * 35.5mm pitch  Interface :  1. DC +: positive power supply (voltage required by the relay , there 5V.9V.12V and 24V choice)  2. DC-: negative power connection  3. IN1: 1 channel signal to trigger the end , you can set a high or low level control relay  3. IN2: 2 -channel signal to trigger the end , you can set a high or low level control relay  Outputs :  1. NO1: After a relay normally open interfaces , relay be\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071633617,"sku":"BW-B00LW2GW7U","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/613bHaimErL._SL1100.jpg?v=1790997582"},{"product_id":"4pcs-relay-module-24v-relay-board-2-channel-with-optocoupler-support-high-or-low-level-trigger","title":"4pcs Relay Module 24V Relay Board 2 Channel with Optocoupler Support High or Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 Channel Relay Module Voltage : 24V; Normally Open Interfaces Maximum Load : AC 250V\/10A, DC 30V\/10A\u003c\/li\u003e\n\u003cli\u003e2 Channel Relay Module 24V Comes with High-Current Relay,Trigger Current : 5mA\u003c\/li\u003e\n\u003cli\u003e24V Relay Module is 2 Channel Isolated, Each Relay Can Individually Switch On\/Off by An Opto-Isolated Digital Input\u003c\/li\u003e\n\u003cli\u003eRelay Module Designed With Fault-Tolerant , Even If The Control Line Breaks, The Relay Will Not Move; With Optical Coupling Isolation,Triggering More Reliable and Stable\u003c\/li\u003e\n\u003cli\u003e2 Channel Module Equipped With Screwed Terminal Plate and Fixed Bolt Holes,Standard Interface Can Connect With Microcontrollers and be Controlled by a Wide Range of Microcontrollers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071666385,"sku":"BW-B099MVH785","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81VJXNgRAVL._SL1500.jpg?v=1790997581"},{"product_id":"2pcs-5v-4-channel-relay-with-optocoupler-high-low-level-trigger","title":"2PCS 5V 4 Channel Relay with Optocoupler High\/Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIt is 4 Channel Isolated 5V 10A Relay Module, each relay can individually switch on\/off by an opto-isolated digital input, Standard interface can be directly connected with microcontrollers and be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, DSP, etc., very convenient.\u003c\/li\u003e\n\u003cli\u003eEquipped with high-current relay, maximum load: AC250V 10A, 15A 125VAC, DC30V 10A; Trigger current of opto-isolator: 5mA.\u003c\/li\u003e\n\u003cli\u003eRELIABLE: Fault-tolerant design, even if the control line breaks, the relay will not move; With optical coupling isolation, triggering more reliable, more stable.\u003c\/li\u003e\n\u003cli\u003eEASY to INSTALL: Equipped with screwed terminal plate and fixed bolt holes(diameter: 3.1 mm) on both sides for easy installation.\u003c\/li\u003e\n\u003cli\u003eHigh\/Low level trigger can be selected by jumper. Very versatile, you can reverse the input logic with the jumper.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071731921,"sku":"BW-B08PP8HXVD","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81f9a7lXZjL._SL1500.jpg?v=1790997582"},{"product_id":"fainwan-2pcs-2-channel-relay-module-with-optocoupler-5v-active-low-level-amplifier-trigger-jd-vcc-relay-power-vcc-power","title":"FainWan 2pcs 2 Channel Relay Module with Optocoupler 5V Active Low Level Amplifier Trigger JD-VCC Relay Power VCC Power","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLow-level amplifier active, input voltage range: 0-5V.\u003c\/li\u003e\n\u003cli\u003eRelay contact capacity 250V 10A, the output is normally open or closed.\u003c\/li\u003e\n\u003cli\u003eLED light is used to indicate the relay output state, can be directly controlled the standard interface by micro-controller (Ar-duino, 8051, AVR, PIC, DSP, ARM, TTL logic etc.)\u003c\/li\u003e\n\u003cli\u003eApplications: Supports all MCU control, The industrial field, PLC control, Smart home control, VCC system Power and so on.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSize:2 x RelayFeature: 5V 2-Channel relay module expansion board, is convenient to control all kinds of electrical appliances and large current devices. It can also be directly controlled standard interface by microcontroller to implement various of function experiments together with breadboard and Dupont thread. The relays on the modules are independent of each other, the output is normally open or closed. The LED will light up when the relay triggers in low level, to indicate the current relay working condition. Package Include: 2pcs 2-Channel Relay Module\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071830225,"sku":"BW-B09LM67679","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71-ZZ5hKVlL._AC_SL1500.jpg?v=1790997582"},{"product_id":"4pcs-dc-12v-relay-module-2-channel-relay-board-with-optocoupler-support-high-or-low-level-trigger","title":"4pcs DC 12V Relay Module 2 Channel Relay Board with Optocoupler Support High or Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 Channel Relay Module Voltage : 12V; Normally Open Interfaces Maximum Load : AC 250V\/10A, DC 30V\/10A\u003c\/li\u003e\n\u003cli\u003e2 Channel Relay Module 12V Comes with High-Current Relay,Trigger Current : 5mA\u003c\/li\u003e\n\u003cli\u003e12V Relay Module is 2 Channel Isolated, Each Relay Can Individually Switch On\/Off by An Opto-Isolated Digital Input\u003c\/li\u003e\n\u003cli\u003eRelay Module Designed With Fault-Tolerant , Even If The Control Line Breaks, The Relay Will Not Move; With Optical Coupling Isolation,Triggering More Reliable and Stable\u003c\/li\u003e\n\u003cli\u003e2 Channel Module Equipped With Screwed Terminal Plate and Fixed Bolt Holes,Standard Interface Can Connect With Microcontrollers and be Controlled by a Wide Range of Microcontrollers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071862993,"sku":"BW-B099MRT96C","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81qVgqnK7zL._SL1500.jpg?v=1790997582"},{"product_id":"aceirmc-2pcs-dc-5v-relay-module-2-channel-relay-board-with-optocoupler-support-high-or-low-level-trigger-2-channel-5v","title":"ACEIRMC 2pcs DC 5V Relay Module 2 Channel Relay Board with Optocoupler Support High or Low Level Trigger (2 Channel 5V)","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 Channel Relay Module Voltage : 5V; Normally Open Interfaces Maximum Load : AC 250V\/10A, DC 30V\/10A\u003c\/li\u003e\n\u003cli\u003e2 Channel Relay Module 5V Comes with High-Current Relay,Trigger Current : 5mA\u003c\/li\u003e\n\u003cli\u003e5V Relay Module is 2 Channel Isolated, Each Relay Can Individually Switch On\/Off by An Opto-Isolated Digital Input\u003c\/li\u003e\n\u003cli\u003eRelay Module Designed With Fault-Tolerant , Even If The Control Line Breaks, The Relay Will Not Move; With Optical Coupling Isolation,Triggering More Reliable and Stable\u003c\/li\u003e\n\u003cli\u003e2 Channel Module Equipped With Screwed Terminal Plate and Fixed Bolt Holes,Standard Interface Can Connect With Microcontrollers and be Controlled by a Wide Range of Microcontrollers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071895761,"sku":"BW-B0FZT8JF86","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71Pq9hHp8lL._SL1500.jpg?v=1790997582"},{"product_id":"2-channel-solid-state-relay-module-high-low-level-trigger-3a-optocoupler-isolation","title":"2-Channel Solid State Relay Module High-Low Level Trigger 3A Optocoupler Isolation","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLM YN 2-Channel Solid State Relay Module, optional positive or negative signal trigger, only need 0.1mA trigger current, can drive the maximum control capacity of 3A solid state relay pull.\u003c\/li\u003e\n\u003cli\u003eThe module uses high-quality components, red and blue signal indicator, industrial grade double-sided PCB board, stable performance.\u003c\/li\u003e\n\u003cli\u003eLM YN 2-Channel Solid State Relay Module, with solid-state relay output resistance is very small features, can replace the mechanical relay contacts, but also has a small control current, fast action time, long working life and other characteristics, can be widely used in a variety of power Or signal control cases.\u003c\/li\u003e\n\u003cli\u003eDC 5-32V wide voltage power supply, with power supply anti-reverse ability;\u003c\/li\u003e\n\u003cli\u003eOutput Rated load: AC \/ DC 0-50V \/ 2A; Maximum load: AC \/ DC 0-60V \/ 3A (within 100ms);\u003c\/li\u003e\n\u003cli\u003eModule size: 50x45x10mm(LWH), hole diameter 3mm, hole center distance 35x25mm(LW).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLM YN 2-Channel Solid State Relay Module user manual https:\/\/1drv.ms\/b\/c\/4a0865b22350d05c\/IQBc0FAjsmUIIIBK9QAAAAAAASvlgUWpgjYBzQff_y2CusU?e=385Vci  Feature: 1, DC 5-32V wide voltage power supply, with anti-reverse power supply capacity; 2, the output rated load: AC \/ DC 0-50V \/ 2A; maximum load: AC \/ DC 0-60V \/ 3A (within 100ms); 3, the output port is normally open type of switch contacts, the contact is not charged node, the current direction without requirements; 4, the input control high and low selectable; built-in current limiting resistor, you can directly use the power of the positive or negative control, you can also use the microcontroller I \/ O port control; 5, the module anti-interference ability, stable performance; trigger current minimum 0.1mA; 6, with power indicator (red) and each way relay status indicator (blue) 7, the use of blue terminals;   Precautions: This module can be used directly for signal or resistive load control; If you are using control for inductive loads (eg small motors, solenoid valves, etc.), keep more than 3 times the remaining amount and add freewheeling diodes at both ends of the inductive load.  Module interface Module Control: 1, DC +: Conn\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359071961297,"sku":"BW-B072Z3SWDR","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81LNIcR1onL._SL1500.jpg?v=1790997583"},{"product_id":"2pcs-dc-24v-relay-module-2-channel-relay-switch-with-optocoupler-isolation-high-low-level-trigger","title":"2pcs DC 24V Relay Module 2 Channel Relay Switch with Optocoupler Isolation High\/Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 Channel Relay Module Voltage : 24V; Normally Open Interfaces Maximum Load : AC 250V\/10A, DC 30V\/10A\u003c\/li\u003e\n\u003cli\u003e2 Channel Relay Module 24V Comes with High-Current Relay,Trigger Current : 5mA\u003c\/li\u003e\n\u003cli\u003e24V Relay Module is 2 Channel Isolated, Each Relay Can Individually Switch On\/Off by An Opto-Isolated Digital Input\u003c\/li\u003e\n\u003cli\u003eRelay Module Designed With Fault-Tolerant , Even If The Control Line Breaks, The Relay Will Not Move; With Optical Coupling Isolation,Triggering More Reliable and Stable\u003c\/li\u003e\n\u003cli\u003e2 Channel Module Equipped With Screwed Terminal Plate and Fixed Bolt Holes,Standard Interface Can Connect With Microcontrollers and be Controlled by a Wide Range of Microcontrollers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072026833,"sku":"BW-B0GVFG7394","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71P3K3uUa9L._SL1500.jpg?v=1790997583"},{"product_id":"5pcs-5v-2-channel-relay-with-optocoupler-high-low-level-trigger","title":"5PCS 5V 2 Channel Relay with Optocoupler High\/Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIt is 2 Channel Isolated 5V 10A Relay Module, each relay can individually switch on\/off by an opto-isolated digital input, Standard interface can be directly connected with microcontrollers and be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, DSP, etc., very convenient.\u003c\/li\u003e\n\u003cli\u003eEquipped with high-current relay, maximum load: AC250V 10A, 15A 125VAC, DC30V 10A; Trigger current of opto-isolator: 5mA.\u003c\/li\u003e\n\u003cli\u003eRELIABLE: Fault-tolerant design, even if the control line breaks, the relay will not move; With optical coupling isolation, triggering more reliable, more stable.\u003c\/li\u003e\n\u003cli\u003eEASY to INSTALL: Equipped with screwed terminal plate and fixed bolt holes(diameter: 3.1 mm) on both sides for easy installation.\u003c\/li\u003e\n\u003cli\u003eHigh\/Low level trigger can be selected by jumper. Very versatile, you can reverse the input logic with the jumper.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072092369,"sku":"BW-B08PPDCP4V","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81jEamaSdTL._SL1500.jpg?v=1790997584"},{"product_id":"hiletgo-2pcs-dc-12v-2-channel-relay-module-with-isolated-optocoupler-high-and-low-level-h-l-level-trigger-module-triggered-by-dc-12v","title":"HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H\/L Level Trigger Module Triggered by DC 12V","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCan set high or low level trigger with jumper, to meet the demand of more trigger applications;\u003c\/li\u003e\n\u003cli\u003eWith patch optical isolation, strong drive ability and stable performance;\u003c\/li\u003e\n\u003cli\u003eThe module can be high or low by a jumper setting trigger;\u003c\/li\u003e\n\u003cli\u003eInterface design humane, all interfaces can be connected directly via terminal wiring leads , very convenient ;\u003c\/li\u003e\n\u003cli\u003eFault-tolerant design , even if the control line is broken , the relay will not operate ;\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDescription :  1. The module uses genuine quality relay , normally open interfaces Maximum load : AC 250V\/10A, DC 30V\/10A;  2. The power indicator (green) , relay status indicator (red)  3. Module size : 50mm * 26mm * 18.5mm (L * W * H) 4. Has four mounting bolts holes , hole 3.1mm, 44.5mm * 20.5mm pitch  Module Interface: 1. DC +: positive power supply DC 12V 2. DC-: negative power connection  3. IN1: 1 channel signal to trigger the end , you can set a high or low level control relay 4. IN2: 2 -channel signal to trigger the end , you can set a high or low level control relay   Relay Outputs:  1. NO1: After a relay normally open interfaces , relay before floating, shorted pull with COM1 2. COM1: 1 relay common interface  3. NC1: 1 relay normally closed port, COM1 relay shorted before and after the pull- vacant4. NO2:way normally open relay interface, the relay before floating , pull back and COM2 short 5. COM2: 2 Common Interface relay  6. NC2: 2 -way normally closed relay interface relay short front and COM2 , pull vacant post  Note:This relay will be triggered by DC 12V, can not trigger with the arduino signal at 5V.  Package Included:2*DC 12V 2 Channel Relay Module With Isolated\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072157905,"sku":"BW-B00LW15F42","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71rOVzcwzIL._SL1100.jpg?v=1790997583"},{"product_id":"hosyond-6pack-2-channel-dc-5v-relay-module-with-optocoupler-relay-board-for-arduino-raspberry-pi-mega2560","title":"Hosyond 6Pack 2 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe power supply voltage of the relay module is DC5V. The maximum output load is AC250V 10A and DC30V 10A.\u003c\/li\u003e\n\u003cli\u003eThe relay has a standard interface and can be directly connected to the microcontroller, which is convenient for wiring. Package contains 10 male to female DuPont wires.\u003c\/li\u003e\n\u003cli\u003eHigh Level or Low Level Trigger. Pull in at low level and release at high level. The status indicator is on when it is pull in, and it is release when it is released.\u003c\/li\u003e\n\u003cli\u003eThe 2 channel relay interface board can directly control Arduino, AVR, PIC, ARM, PLC and other single-chip microcomputers, and can also control various high-current electrical appliances and other equipment.\u003c\/li\u003e\n\u003cli\u003eWidely used in all MCU control, industrial fields, PLC control, smart home control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eModule parameters: ▪Size: 51mm(L)*39mm(W)*18.5mm(H) ▪Single weight: 28g ▪PCB color: black ▪There are 4 fixing screw holes around the board, the hole diameter is 3.1mm, which is convenient for installation and fixing ▪High quality relays. A common end, a normally open end, and a normally closed end.  ▪Optocoupler isolation, good anti-interference.  ▪Low level pickup, high level release. The status indicator is on when it is engaged, and it is off when it is released.  ▪VCC is the system power supply, JD_VCC is the relay power supply. Just plug in the jumper cap.  ▪Power supply voltage: 5VDC ▪Current: more than 100mA ▪Load: 250V 10A AC or 30V 10A DC  Wiring instructions: VCC: positive pole of system power supply GND: Negative pole of system power supply IN1--IN2: relay control port (Do not reverse the connection to avoid burning out)  Packing List: 6 x 2 channel relay module 1 x 10pin F-M Dupont wire\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072256209,"sku":"BW-B0C2Z7QF71","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/719P46yn_wL._SL1200.jpg?v=1790997584"},{"product_id":"relay-board-relay-module-2-channel-1-spdt-din-rail-mount-24v-dc-ac","title":"Relay Board, Relay Module 2 Channel 1 SPDT DIN Rail Mount 24V DC\/AC","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAbout Relay Module: Relay modules is designed to amplify current of output loads. It is mainly used for PLC, microprocessor systems and time relays etc, amplifying the control current of outputs, to protect key control systems not being destroyed\u003c\/li\u003e\n\u003cli\u003eProduct Parameters: Model Number FY-T732C-D24, power source DC, rated voltage 24VAC\/DC, rated load current:10A 250VAC\/30VDC\u003c\/li\u003e\n\u003cli\u003eEasy to Install: DIN rail mount, optional 1\/2\/4\/8\/16 channels relay interface, stable and convenient. You could also remove it from the green bracket to make it small enough to fit in narrow space such as the wall\u003c\/li\u003e\n\u003cli\u003eEasy and Safe to Use: Each relay board is well labeled for clear operation, equipped with LED indicators to allow you to know what relay is working and the signal status, designed with over voltage protection and surge suppression protection for safety\u003c\/li\u003e\n\u003cli\u003eCustomer Service: Please carefully read the specification before ordering to confirm this is the right spec you need. Should you have any questions, please be free to contact us, we will reply within 24 hours\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072354513,"sku":"BW-B0BXNXNGML","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71SywrID_xL._SL1500.jpg?v=1790997584"},{"product_id":"noyito-2-channel-5v-computer-usb-control-switch-relay-module-drive-free-relay-module-plug-and-play-suitable-for-pc-smart-controller","title":"NOYITO 2-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug and Play Suitable for PC Smart Controller","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe module uses HID technology, without any driver, plug and play. Support WIN7,10, XP 32-bit, 64-bit system, easy to use simple.\u003c\/li\u003e\n\u003cli\u003eOnboard square USB interface, stable connection; use of high-performance USB control chip; use dedicated relay driver chip ULN2803, relay work more stable;\u003c\/li\u003e\n\u003cli\u003ePower outlet and terminal, two access power mode convenient and flexible. After connecting the power, even if the computer shut down or USB from the computer pull out, the relay can also maintain the set state.\u003c\/li\u003e\n\u003cli\u003eNOTE: The 1-Channel 2-Channel module does not require an external power supply. 4-Channel 8-Channel modules require an external module power supply.\u003c\/li\u003e\n\u003cli\u003ePCB size: 56.5mm * 40.6mm, fixed hole size: 3mm, fixed hole center moment: 52.2mm * 36.6mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNOYITO USB Relay External Use Development Library , Code , Test app Download https:\/\/1drv.ms\/u\/c\/4a0865b22350d05c\/IQBc0FAjsmUIIIBK5AAAAAAAAToR290hsu2u5uU8mgxO5OQ?e=hZXwbh  NOTE: The 1-Channel 2-Channel module does not require an external power supply. 4-Channel 8-Channel modules require an external module power supply.  Product parameters: Input voltage: DC 5 V; Input current: greater than 300mA; Wiring method: NC \/ COM \/ NO; Relay parameters: Maximum control AC 250V, 10A AC load and maximum DC30V 10A DC load;  Module  Package Inluded: 1*2-Channel 5V USB Control Switch Relay Module\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072387281,"sku":"BW-B07CFQMDJ3","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81FKPeXFxdL._SL1500.jpg?v=1790997584"},{"product_id":"5pcs-5v-2-channel-5v-relay-module-with-optocoupler-low-level-trigger-expansion-board-compatible-with-r3-mega-2560-1280-dsp-arm-pic-avr-stm32-raspberry-pi","title":"5pcs 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStandard interface that can be controlled directly by microcontroller (Compatible with Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).\u003c\/li\u003e\n\u003cli\u003eThe 5v relay is Driver Current:15-20mA each\u003c\/li\u003e\n\u003cli\u003eThe 5v relay Size: 50.5mm(L) x 38.5mm(W) x 18.5mm(H)(1.99inch x 1.54inch x 0.73inch)\u003c\/li\u003e\n\u003cli\u003eDWEII the 5v relay module equipes with high-current relay, AC250V 10A ; DC30V 10A\u003c\/li\u003e\n\u003cli\u003eYou will get 5pcs 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSpecification:1. Dimensions: 50.5mm * 38.5mm * 18.5mm2. Weight: 31g3. PCB color: black4. board around with four fixed screw holes, hole diameter 3.1mm, easy to install and fixed5. Relay selection of high-quality loose relay, single-pole double-throw. A common end, a normally open end, a normally closed end6. Optocoupler isolation, good anti-interference7. Low level pull-in, high-level release. Pull the status indicator light, release the status indicator is off8. VCC for the system power, JD_VCC for the relay power. Plug in the jumper capElectrical parameters:Supply voltage: 5VDC Current: Larger than 100mA Load: 250V 10A or 30V 10A DCWiring instructions:VCC: The system power is positive GND: Negative pole of the system power supply IN1 - IN2: Relay control portPackage Included:5PCS X 5V 2 Channel Relay Module\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072420049,"sku":"BW-B09YTS1V5R","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81xGKX_W7nL._AC_SL1500.jpg?v=1790997584"},{"product_id":"shelly-1-gen4-smart-wi-fi-matter-relay-switch-with-dry-contacts-4-pack","title":"Shelly 1 Gen4, Smart Wi-Fi \u0026 Matter Relay Switch with Dry Contacts, 4 Pack","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe Shelly 1 Gen4 is a Wi-Fi, Zigbee \u0026amp; Matter smart switch featuring dry contacts and a single 16A channel. It enables remote control of a wide range of home appliances and office equipment while also functioning as a Bluetooth gateway for enhanced connectivity. No hub required! Designed for seamless retrofitting, its compact size allows it to fit into standard electrical wall boxes, power sockets, light switches, and other tight spaces.\u003c\/li\u003e\n\u003cli\u003eSmart Home Integration \u0026amp; Voice Control - Seamlessly works with Amazon Alexa, Google Home, Home Assistant, Samsung SmartThings, and other leading smart home platforms. Control lights and appliances using simple voice commands, create custom automations, schedules, and scenes, and manage your home remotely from anywhere using the Shelly Smart Control app or your preferred platform.\u003c\/li\u003e\n\u003cli\u003eUpgrade your lighting with Shelly 1 Gen4 - automate lights to turn on at sunset and off at bedtime, create custom schedules, control them remotely, and save energy. Manual control ensures everyone at home can easily adjust lighting anytime.\u003c\/li\u003e\n\u003cli\u003eSmart Garage Door Control - Shelly 1 Gen4 lets you automate and manage your garage door from anywhere. Compatible with 12V and 24-48V DC systems, it offers seamless integration. Pair with a Reed switch and Shelly Plus Add-on to monitor door status in real time.\u003c\/li\u003e\n\u003cli\u003eShelly Customer Service - Shelly is one of the fastest-growing Smart Home brands in the world with devices, providing solutions for the automation of private homes, buildings and businesses. We provide our customers with professional support and a 3 years device warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072518353,"sku":"BW-B0F9LJF6BV","price":170.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81oLf5u-sqL._SL1500.jpg?v=1790997584"},{"product_id":"dieserc-2-channels-wifi-smart-switch-dc-5v-12v-24v-36v-passive-output-relay-module-ewelink-app-wifi-control-compatible-with-alexa-google-home-inching-self-locking-switch","title":"DieseRC 2 Channels WiFi Smart Switch, DC 5V 12V 24V 36V Passive Output Relay Module Ewelink APP WiFi Control Compatible with Alexa\/Google Home, Inching\/Self-Locking Switch","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExcellence designWireless WIFI smart switch relay module. Stable and reliable performance with high reception sensitivity(2.4GHz WIFI). You can remotely operate every machine connect with the relay receiver through the Internet from wherever on the earth.\u003c\/li\u003e\n\u003cli\u003eAPP controlThis smart switch is compatible with \"eWelink\" APP, which are popular and widely used on the market. Connected this smart switch directly to your Wi-Fi network to achieve unlimited wireless control via your phone (Android and iOS). And also the smart switch is compatible with Amazon Alexa (Amazon Echo \/ Dot \/ Spot), Google Home. It is able to achieve several kinds of intelligent controls.\u003c\/li\u003e\n\u003cli\u003eEasy to UseThere are 2 operating mode(inching\/toggle mode) can be setup. It can work as a pulse switch(a button) or a switch(a toggle switch). You can easily program by yourself depends on your needs. The operating mode of the smart switch is adjustable.\u003c\/li\u003e\n\u003cli\u003eMore FlexibilityThere are 2 independent relays on the controller, so that you can control each of them independently. This controller adopts 10A high-quality relay. Let it to be more long-lasting and stable to use. There are 3 terminals(normally open pin, common pin, normally closed pin) for the relay. This is a potential-free contacts relay. Passive output. Dry contacts. The relay is cean. The receiver is suitable for DC 5V or DC 7V~48V voltage, so DC 5V\/ 12V\/ 24V\/ 36V\/ 48V is OK.\u003c\/li\u003e\n\u003cli\u003eWide ApplicationProducts can be used in homes, farms, factories, offices, laboratories, supermarkets and so on.You can remotely operate every device connect with the WIFI smart switch through your phone. such as, garage door opener system, electric lock, Electromagnetic door, lamp, lighting, contactor, signal transmission and DIY remote control switch.\u003c\/li\u003e\n\u003cli\u003eEasy to installThe size of smart switch is 60*32*17 mm (2.4*1.3*0.7 in). It can be easily hidden in most electrical boxes or junction boxes. You can easily install it.\u003c\/li\u003e\n\u003cli\u003eAPP FunctionIt can achieve most intelligent controls. Setting Schedule and Timer. You can share control of the connected smart switch with the whole family.\u003c\/li\u003e\n\u003cli\u003eOther extended functions The smart switch is compatible with Amazon Alexa (Amazon Echo \/ Dot \/ Spot), Google Home. So that you can enjoy the voice control. For example, you can use the command:\"Alexa, turn the light\". etc. And it is also linked with a variety of sensors. You can find them on eWelink APP.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072649425,"sku":"BW-B0CGTRGLFC","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71xAQkSVheL._SL1500.jpg?v=1790997585"},{"product_id":"2pcs-dc-12v-relay-module-4-channel-relay-board-shield-with-optocoupler-isolation-suport-high-low-level-trigger","title":"2pcs DC 12V Relay Module 4 Channel Relay Board Shield with Optocoupler Isolation Suport High\/Low Level Trigger","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4 Channel Relay Module’s Path Can Be Triggered By High Level or Low Level Through Jumper Setting; Trigger Current of Opto-Isolator: 5mA\u003c\/li\u003e\n\u003cli\u003eThis 12V Relay Module is 4 Channel Isolated, Each Relay Can Individually Switch On\/Off By An Opto-Isolated Digital Input\u003c\/li\u003e\n\u003cli\u003e12V 4 Channel Relay Module Comes with High-Current Relay,Maximum Load: AC 250V 10A;AC 125V 15A ; DC 30V 10A\u003c\/li\u003e\n\u003cli\u003eThis Module Design With Fault-Tolerant , Even If The Control Line Breaks, The Relay Will Not Move; With Optical Coupling Isolation,Triggering More Reliable and Stable\u003c\/li\u003e\n\u003cli\u003eThe Module Equipped With Screwed Terminal Plate and Fixed Bolt Holes,Bolt Hole: 3.1 mm; 67*44.5mm (Spacing);Standard Interface Can Connect With Microcontrollers and be Controlled By a Wide Range of Microcontrollers Directly\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072682193,"sku":"BW-B098DXRTT8","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71ib7ipOilL._SL1500.jpg?v=1790997585"},{"product_id":"esp-relay-2-channel-5v-relay-module","title":"ESP Relay, 2 Channel 5V Relay Module","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStable Module: The ESP Relay module supports all pins of I\/O port and UART program download port, programmable keys and reset keys, which is mature and stable\u003c\/li\u003e\n\u003cli\u003eOutput Switching: The ESP Relay board contains two 5V relays with output switching, suitable for controlling loads with operating voltages of AC250V or DC30V or less\u003c\/li\u003e\n\u003cli\u003eLarge Capacity: The relay module has a large enough capacity of 4M to be used according to the actual situation\u003c\/li\u003e\n\u003cli\u003eSafe: The ESP relay board is equipped with BLE modules for safe run\u003c\/li\u003e\n\u003cli\u003eApplication: This ESP relay module is suitable for secondary learning, smart home, etc\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eItem Type: Relay ModuleMaterial: PCB Copper BoardProduct Voltage: DC5-60VPackage List：1 x Module2 x Double Row 10 PIN1 x Double Row 6 PIN1 x Single Wire CoverNote:Pay attention to correct utilization.\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359072780497,"sku":"BW-B0D7H9PHL7","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71UckjuPqIL._SL1500.jpg?v=1790997585"}],"url":"https:\/\/belmontwarehouse.com\/collections\/electronic-components-modules.oembed","provider":"Belmont Warehouse","version":"1.0","type":"link"}