Carlo Gavazzi IBS04SF15A2PC Proximity Sensors Inductive proximity sensor, D4 Stainless steel, 2m cable, Sn 1.5mm, Flush mount, Short body, PNP NC output, Supply voltage 10-30Vdc, Max output current 100 mA, Max switching frequency 4.5 kHz, Operating temperature -25C - +70C, IP67