switching frequency < 500 Hz short circuit protection yes connection types connector M12 mounting type quasi-flush IFRM 18P37A5/S14L dimension 18 mm manufacter SKU IFRM 18P37A5/S14L type cylindrical threaded operating temperature -25 ... +75 °C output indicator LED red protection class IP 67 reverse polarity protection yes output circuit PNP break function (NC) current consumption max. (no load) 10 mA material (sensing face) PBT output current < 200 mA housing length 45 mm housing material brass nickel plated nominal sensing distance Sn 8 mm voltage supply range +Vs 10 ... 30 VDC voltage drop Vd < 2 VDC hysteresis 3 ... 20 % of Sr tightening torque max. 40 Nm