Carlo Gavazzi ICB18S30N20PC Manufacturer description: Inductive proximity sensor, M18 Nickel-Plated Brass, 2m cable, Sn 20mm, Non-flush mount, Short body, PNP NC output, Supply voltage 10-36Vdc, Max output current 200 mA, Max switching frequency 1,5 kHz, Operating temperature -25C - +70C, IP67. Inductive transmitter M18 PNP NC 2m cable, unshielded version length 30mm. Sensing distance 20mm.