reverse polarity protection yes output circuit PNP break function (NC) housing length 50 mm current consumption max. (no load) 14 mA hysteresis 2 ... 20 % of Sr special type full metal housing ( DuroProx ) connection types connector M12 switching frequency < 100 Hz manufacter SKU IFRD 12P37A3/S14L voltage supply range +Vs 10 ... 30 VDC protection class IP 68/67 (sensing face/sensor) nominal sensing distance Sn 4 mm IFRD 12P37A3/S14L dimension 12 mm mounting type quasi-flush pressure static < 20 bar output current < 200 mA voltage drop Vd < 2 VDC housing material stainless steel 1.4404 (V4A) operating temperature -25 ... +75 °C type cylindrical threaded short circuit protection yes output indicator 3 port LED red material (sensing face) stainless steel 1.4404 (V4A)