manufacter SKU IFRM 18N37A5/S14L nominal sensing distance Sn 8 mm switching frequency < 500 Hz short circuit protection yes housing material brass nickel plated housing length 45 mm type cylindrical threaded protection class IP 67 voltage drop Vd < 2 VDC output indicator LED red reverse polarity protection yes tightening torque max. 40 Nm hysteresis 3 ... 20 % of Sr output current < 200 mA IFRM 18N37A5/S14L dimension 18 mm current consumption max. (no load) 10 mA mounting type quasi-flush voltage supply range +Vs 10 ... 30 VDC material (sensing face) PBT connection types connector M12 operating temperature -25 ... +75 °C output circuit NPN break function (NC)