Inductive sensors IFRM 18 (long) Inductive proximity switch sample drawing M18 x 1 75 60 SW 24 3xLED M12 x 1 general data sample picture mounting type quasi-flush nominal sensing distance Sn 8 mm hysteresis 3 ... 20 % of Sr electrical data switching frequency < 500 Hz voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 10 mA voltage drop Vd < 2 VDC output current < 200 mA short circuit protection yes reverse polarity protection yes mechanical data type cylindrical threaded material (sensing face) PBT housing material brass nickel plated dimension 18 mm tightening torque max. 40 Nm cable, 2 m housing length 65 mm connector M12 housing length 75 mm ambient conditions operating temperature -25 ... +75 °C protection class IP 67 1 www.baumer.com 2/6/2015 Inductive sensors IFRM 18 (long) Inductive proximity switch order reference connection types output circuit output indicator IFRM 18N17A4/L cable, 2 m NPN make function (NO) LED red IFRM 18N17A4/S14L connector M12 NPN make function (NO) 3 port LED red IFRM 18N37A4/L cable, 2 m NPN break function (NC) LED red IFRM 18N37A4/S14L connector M12 NPN break function (NC) 3 port LED red IFRM 18P17A4/L cable, 2 m PNP make function (NO) LED red IFRM 18P17A4/S14L connector M12 PNP make function (NO) 3 port LED red IFRM 18P37A4/L cable, 2 m PNP break function (NC) LED red IFRM 18P37A4/S14L connector M12 PNP break function (NC) 3 port LED red 2 www.baumer.com 2/6/2015