protection class IP 67 hysteresis 3 ... 20 % of Sr switching frequency < 5 kHz connection types cable, 2 m type cylindrical threaded manufacter SKU IFRM 08N17A4/L output current < 200 mA material (sensing face) PBT IFRM 08N17A4/L dimension 8 mm short circuit protection yes housing length 50 mm nominal sensing distance Sn 2 mm output circuit NPN make function (NO) output indicator LED red operating temperature -25 ... +75 °C housing material stainless steel voltage drop Vd < 2 VDC current consumption max. (no load) 12 mA voltage supply range +Vs 10 ... 30 VDC reverse polarity protection yes mounting type flush