type cylindrical threaded manufacter SKU IFRM 18P1701/S35L voltage supply range +Vs 10 ... 50 VDC reverse polarity protection yes hysteresis 3 ... 25 % of Sr short circuit protection yes nominal sensing distance Sn 8 mm housing length 50 mm output circuit PNP make function (NO) output indicator 4 port LED red material (sensing face) PBT IFRM 18P1701/S35L dimension 18 mm mounting type quasi-flush housing material brass nickel plated current consumption max. (no load) 10 mA voltage drop Vd < 3 VDC output current < 200 mA protection class IP 67 switching frequency < 500 Hz operating temperature -25 ... +75 °C connection types connector M8