Carlo Gavazzi ICB30S30N15NCM1 Proximity Sensors Inductive proximity sensor, M30 Nickel-Plated Brass, M12 plug, Sn 15mm, Non-flush mount, Short body, NPN NC output, Supply voltage 10-36Vdc, Max output current 200 mA, Max switching frequency 1 kHz, Operating temperature -25C - +70C, IP67