output current < 200 mA output indicator 3 port LED red type cylindrical threaded nominal sensing distance Sn 8 mm manufacter SKU IFRM 18N37A3/S14L switching frequency < 500 Hz voltage supply range +Vs 10 ... 30 VDC protection class IP 67 voltage drop Vd < 2 VDC hysteresis 3 ... 20 % of Sr output circuit NPN break function (NC) housing material brass nickel plated reverse polarity protection yes housing length 60 mm current consumption max. (no load) 10 mA material (sensing face) PBT operating temperature -25 ... +75 °C tightening torque max. 40 Nm IFRM 18N37A3/S14L dimension 18 mm short circuit protection yes mounting type quasi-flush connection types connector M12