Inductive Proximity Sensor M12 4mm Sensing, 3-Wire PNP NO, DC 6-36V, 300mA Industrial Automation Detector for Metal Objects, Non-Contact Limit Switch Alternative, LJ12A3-4-Z/BY

Inductive Proximity Sensor with M12 head, 4mm sensing
✔️ 4-pack M12 4mm sensing, 3-wire PNP NO, DC 6-36V, 300mA

Compact blue-headed inductive proximity sensor designed for non-contact metal detection. Widely used in machine tools, metallurgy, chemical processing, textile and printing industries for limit switching, counting, positioning, and automatic protection in control systems.

✅ Sensing distance: 4 mm (0.16 in) to metal targets
✅ 3-wire PNP NO output for easy wiring
✅ DC 6-36V supply, 300 mA current
✅ M12 threaded body for secure mounting
✅ Pack of 4 units included in the package
✅ Non-contact detection with fast response and high stability

💡 What is an inductive proximity sensor used for in automation systems?

This handy device detects metal targets without contact and provides signals for control logic and safety interlocks.

✅ Non-contact metal detection enables reliable limit switching

✅ 3-wire PNP NO output simplifies wiring in control circuits

✅ DC 6-36V operation fits common automation stacks

✅ M12 threaded housing allows compact mounting in tight spaces

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