hysteresis 3 ... 20 % of Sr switching frequency < 5 kHz material (sensing face) PBT voltage drop Vd < 2 VDC housing material stainless steel output circuit NPN break function (NC) connection types connector M8 IFRM 08N37A4/S35L dimension 8 mm nominal sensing distance Sn 2 mm current consumption max. (no load) 12 mA operating temperature -25 ... +75 °C manufacter SKU IFRM 08N37A4/S35L reverse polarity protection yes protection class IP 67 output indicator 3 port LED red type cylindrical threaded mounting type flush short circuit protection yes output current < 200 mA voltage supply range +Vs 10 ... 30 VDC housing length 56 mm