nominal sensing distance Sn 2 mm current consumption max. (no load) 12 mA type cylindrical threaded connection types flylead connector M8 housing material stainless steel manufacter SKU IFRM 08N37A4/KS35L housing length 50 mm short circuit protection yes protection class IP 67 material (sensing face) PBT output indicator LED red output current < 200 mA IFRM 08N37A4/KS35L dimension 8 mm voltage drop Vd < 2 VDC voltage supply range +Vs 10 ... 30 VDC hysteresis 3 ... 20 % of Sr output circuit NPN break function (NC) operating temperature -25 ... +75 °C switching frequency < 5 kHz mounting type flush reverse polarity protection yes