short circuit protection yes protection class IP 67 housing material stainless steel nominal sensing distance Sn 2 mm output indicator LED red output circuit NPN break function (NC) switching frequency < 5 kHz manufacter SKU IFRM 08N37A1/L voltage drop Vd < 2 VDC voltage supply range +Vs 10 ... 30 VDC material (sensing face) PBT housing length 40 mm output current < 200 mA connection types cable, 2 m operating temperature -25 ... +75 °C type cylindrical threaded current consumption max. (no load) 12 mA mounting type flush IFRM 08N37A1/L dimension 8 mm reverse polarity protection yes hysteresis 3 ... 20 % of Sr