housing length 23,5 mm output circuit NPN make function (NO) type rectangular hysteresis 3 ... 20 % of Sr connection types connector M5 operating temperature -25 ... +75 °C reverse polarity protection yes switching frequency < 2 kHz housing material brass nickel plated mounting type flush manufacter SKU IFFM 12N17A3/S05L nominal sensing distance Sn 4 mm output current < 200 mA IFFM 12N17A3/S05L dimension 12 mm voltage drop Vd < 2 VDC voltage supply range +Vs 10 ... 30 VDC material (sensing face) PBT protection class IP 67 output indicator LED red current consumption max. (no load) 10 mA short circuit protection yes