Inductive sensors IFFM 20P37A3/S35L Inductive proximity switch dimension drawing 10 LED 32 7 7 19 3,5 10 20 M8 x 1 13 general data photo mounting type flush nominal sensing distance Sn 8 mm hysteresis 3 ... 20 % of Sr output indicator LED red electrical data switching frequency < 500 Hz voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 10 mA output circuit PNP 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 rectangular material (sensing face) PBT housing material brass nickel plated dimension 20 mm housing length 32 mm connection types connector M8 BN (1) PNP +VS BK (4) BU (3) output Z 0V ambient conditions operating temperature -25 ... +75 °C protection class IP 67 increased sensing distance extra flat housing IFFM 20P37A3/S35L www.baumer.com 27/4/2015