current consumption max. (no load) 12 mA manufacter SKU IFRM 04N37A1/PL mounting type flush reverse polarity protection yes voltage supply range +Vs 10 ... 30 VDC housing material stainless steel connection types cable, 2 m output current < 100 mA output circuit NPN break function (NC) hysteresis 2 ... 20 % of Sr short circuit protection yes housing length 25 mm IFRM 04N37A1/PL dimension 4 mm operating temperature -25 ... +75 °C type cylindrical smooth nominal sensing distance Sn 1,6 mm voltage drop Vd < 2 VDC output indicator LED red protection class IP 67 material (sensing face) LCP switching frequency < 3 kHz