Omron Inductive Barrel Proximity Sensor, M12, 3 mm Detection, 2-Wire NC, 10 → 30 V dc

The E2EX series of sensors are standard proximity sensors for detecting ferrous metals.

PBT sensing face material
LED indication
2 wire DC
Shielded
No self-diagnosis output

See typically (RS stock no. 7788757) for connectors compatible with the plug-in sensors