LJ12A3 Inductive Proximity Switch

Description

LJ12A3 Inductive Proximity Switch – 4mm Detection NPN for CNC Limit & Homing

Detect metal targets with this LJ12A3 Inductive Proximity Switch. Featuring a 4mm sensing distance and M12 threaded body, this switch provides reliable non-contact detection for CNC limit switches, homing, and automation systems.

The LJ12A3 Inductive Proximity Switch outputs a clean NPN signal to your controller. Unlike mechanical switches, it has no moving parts to wear out — ideal for dusty workshop environments.

Ideal for CNC routers, 3D printers, and industrial equipment, this LJ12A3 Inductive Proximity Switch installs easily with standard mounting nuts. Whether you’re building a new machine or replacing a worn switch, this sensor delivers dependable performance.

Key specs:

• Model: LJ12A3-4-Z/BX

• Type: Inductive Proximity Switch

• Detection: 4mm

• Output: NPN NO

• Size: M12

• Application: CNC, 3D Printer, Automation

• Function: Limit switch, homing, position detection

Whether you’re replacing a worn switch or building a new CNC, this LJ12A3 Inductive Proximity Switch delivers reliable, repeatable detection.