Inductive sensors IFRM 12N3704/L Inductive proximity switch dimension drawing 50 M12 x 1 SW 17 LED general data photo mounting type flush nominal sensing distance Sn 4 mm hysteresis 3 ... 20 % of Sr output indicator LED red electrical data switching frequency < 2 kHz voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 10 mA output circuit NPN break function (NC) voltage drop Vd < 2 VDC output current < 200 mA short circuit protection yes reverse polarity protection yes connection diagram mechanical data type cylindrical threaded material (sensing face) PBT housing material brass nickel plated dimension 12 mm housing length 50 mm connection types cable, 2 m BN (1) NPN BK (4) BU (3) +VS Z output 0V ambient conditions operating temperature -25 ... +75 °C protection class IP 67 extra long housing IFRM 12N3704/L www.baumer.com 28/4/2015