Carlo Gavazzi ICB18L50N14NC Proximity Sensors Inductive proximity sensor, M18 Nickel-Plated Brass, 2m cable, Sn 14mm, Non-flush mount, Long body, NPN NC output, Supply voltage 10-36Vdc, Max output current 200 mA, Max switching frequency 1,5 kHz, Operating temperature -25C - +70C, IP67