housing material stainless steel output circuit NPN make function (NO) housing length 25 mm operating temperature -25 ... +75 °C hysteresis 2 ... 20 % of Sr IFRM 04N17A1/PL dimension 4 mm protection class IP 67 mounting type flush material (sensing face) LCP switching frequency < 3 kHz connection types cable, 2 m reverse polarity protection yes nominal sensing distance Sn 1,6 mm voltage drop Vd < 2 VDC current consumption max. (no load) 12 mA type cylindrical smooth output indicator LED red voltage supply range +Vs 10 ... 30 VDC manufacter SKU IFRM 04N17A1/PL short circuit protection yes output current < 100 mA