Carlo Gavazzi ICB12L50F06NC Proximity Sensors Inductive proximity sensor, M12 Nickel-Plated Brass, 2m cable, Sn 6mm, Quasi-flush mount, Long body, NPN NC output, Supply voltage 10-36Vdc, Max output current 200 mA, Max switching frequency 2 kHz, Operating temperature -25C - +70C, IP67