voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 10 mA voltage drop Vd < 2 VDC nominal sensing distance Sn 4 mm switching frequency < 2 kHz output indicator LED red short circuit protection yes manufacter SKU IFRM 12N1702/L IFRM 12N1702/L dimension 12 mm housing length 40 mm hysteresis 3 ... 20 % of Sr type cylindrical threaded protection class IP 67 mounting type flush operating temperature -25 ... +75 °C material (sensing face) PBT output current < 200 mA output circuit NPN make function (NO) housing material brass nickel plated connection types cable, 2 m reverse polarity protection yes