google-site-verification: google093b5d829febb78d.html Proximity sensor, M12, 6-36V, NPN, Normally Closed @ Gadgitech Trading – Gadgitech Trading

Proximity sensor, M12, 6-36V, NPN, Normally Closed

  • R 99.95
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Proximity sensor for auto bed levelling switch on a 3D printer. This proximity switch triggers when it is 4mm or less from a metal surface.


  • Thread size: M12
  • Thread length: 60mm
  • Trigger distance: 4mm
  • Sensor Type: NPN
  • Logic: Normally Closed
  • Supply Voltage: 6 - 36V DC
  • Wires: 3 wires (Power - Brown, Ground - Blue, Signal - Black)
  • Cable length: 110mm
  • Model number: LJ12A3-4-Z/AX

Do I need a PNP or NPN proximity sensor?

The following diagrams will show you which sensor you need. Generally, NPN sensors are used for 3D printers and PNP sensors are used for CNC machines.



If this product is purchased and no stock is available, our sales team will contact you with the option of a full refund or suggest similar alternatives which are in stock. If you would like to confirm stock before purchase, please contact our online sales team or email


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