Autonics PSN40-20DP Inductive Proximity Sensor, PNP DC 3-Wire 12-24VDC, 20mm Sensing Distance, 40mm Frame

Key features

• Precise 20mm sensing distance with standard target (60×60×1mm iron), ideal for position detection in packaging, conveyor, and machine tool applications.
• PNP (sourcing) output, normally open (NO) configuration, compatible with PLCs and most industrial controllers; operates on DC 3-wire 12-24VDC power.
• Robust 40mm square housing (frame size) with high durability; IP67 protection against dust and water ingress, suitable for harsh factory environments.
• Fast 100Hz response frequency ensures reliable detection of moving parts, reducing missed triggers in high-speed automation lines.
• Easy wiring with 3-wire DC connection; shielded design minimizes electromagnetic interference, ensuring stable performance near motors and drives.

The Autonics PSN40-20DP is a high-performance inductive proximity sensor designed for reliable non-contact detection of metal objects, particularly iron. With a 20mm sensing distance and a 40mm frame size, it fits standard mounting requirements in industrial automation. This PNP normally-open sensor operates on 12-24VDC, making it a direct replacement or upgrade for existing sensors in conveyor systems, packaging machinery, and robotic cells. Its IP67-rated housing and 100Hz response frequency deliver consistent accuracy even in dusty, wet, or high-vibration environments. Compatible with major PLC brands (e.g., Mitsubishi, Siemens, Omron) via standard 3-wire connection.

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