protection class IP 67 short circuit protection yes output circuit PNP break function (NC) material (sensing face) PBT IFRM 18P37A3/S14L dimension 18 mm switching frequency < 500 Hz connection types connector M12 voltage drop Vd < 2 VDC tightening torque max. 40 Nm type cylindrical threaded hysteresis 3 ... 20 % of Sr nominal sensing distance Sn 8 mm current consumption max. (no load) 10 mA housing length 60 mm housing material brass nickel plated reverse polarity protection yes manufacter SKU IFRM 18P37A3/S14L output indicator 3 port LED red voltage supply range +Vs 10 ... 30 VDC output current < 200 mA operating temperature -25 ... +75 °C mounting type quasi-flush