output indicator LED red housing material brass nickel plated current consumption max. (no load) 10 mA type cylindrical threaded output circuit NPN break function (NC) tightening torque max. 40 Nm short circuit protection yes output current < 200 mA voltage supply range +Vs 10 ... 30 VDC IFRM 18N37A5/L dimension 18 mm protection class IP 67 mounting type quasi-flush switching frequency < 500 Hz housing length 35 mm manufacter SKU IFRM 18N37A5/L material (sensing face) PBT operating temperature -25 ... +75 °C hysteresis 3 ... 20 % of Sr connection types cable, 2 m nominal sensing distance Sn 8 mm reverse polarity protection yes voltage drop Vd < 2 VDC