short circuit protection yes protection class IP 67 output indicator LED red housing material stainless steel manufacter SKU IFRM 04N37A3/KS35PL current consumption max. (no load) 12 mA IFRM 04N37A3/KS35PL dimension 4 mm nominal sensing distance Sn 1,6 mm hysteresis 2 ... 20 % of Sr voltage drop Vd < 2 VDC voltage supply range +Vs 10 ... 30 VDC operating temperature -25 ... +75 °C reverse polarity protection yes output current < 100 mA material (sensing face) LCP switching frequency < 3 kHz type cylindrical smooth mounting type flush housing length 20 mm connection types flylead connector M8 output circuit NPN break function (NC)