Capacitive sensors, capacitive sensor, M30 x 1.5, plastic thread, switching distance: 20 mm, not flush mountable, 2-wire, AC/DC, operating voltage: 20...250 V DC / 30...250 V AC (47...63 Hz), normally open / normally closed programmable, no / nc progr., plug connection, 1/2 -UNF plug connection, teach function, electronic lock, housing material: housing: PBT plug: PC buttons: TPE-U