10-30 Volt Dc 1 M Capacitive Proximity Switches M30 X 70-3Wire-DC
Taidacent Inductive Proximity Switch 1 M Proximity Object Human Presence Sensor Low Voltage Ir Inductive Type Proximity Sensor - Iot Accessories - AliExpress
E2E-C03N02-CJ-C2 0.3M - Proximity sensors (OMRON) - Power Motion - Online Store
Festo SME-8-K-LED-24 Proximity Sensor, for T slot, reed, 12-30V, axial – shopcraftables