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