material (sensing face) PBT voltage drop Vd < 2 VDC housing material brass nickel plated nominal sensing distance Sn 4 mm reverse polarity protection yes protection class IP 67 connection types connector M5 mounting type flush short circuit protection yes manufacter SKU IFFM 12P37A3/S05L voltage supply range +Vs 10 ... 30 VDC housing length 23,5 mm output circuit PNP break function (NC) output current < 200 mA IFFM 12P37A3/S05L dimension 12 mm switching frequency < 2 kHz output indicator LED red type rectangular current consumption max. (no load) 10 mA operating temperature -25 ... +75 °C hysteresis 3 ... 20 % of Sr