voltage supply range +Vs 10 ... 30 VDC mounting type flush hysteresis 3 ... 20 % of Sr IFFM 12N37A3/S05L dimension 12 mm type rectangular connection types connector M5 output current < 200 mA material (sensing face) PBT operating temperature -25 ... +75 °C manufacter SKU IFFM 12N37A3/S05L short circuit protection yes housing length 23,5 mm protection class IP 67 output indicator LED red output circuit NPN break function (NC) reverse polarity protection yes nominal sensing distance Sn 4 mm switching frequency < 2 kHz voltage drop Vd < 2 VDC current consumption max. (no load) 10 mA housing material brass nickel plated