Capacitive proximity sensors CFDM 20N1500/S35L Capacitive proximity sensors dimension drawing 20 35 9 3,5 22 10 12 4xLED M8 x 1 6 13 8,9 general data photo nominal sensing distance Sn 5 mm mounting type flush GND electrode yes temperature drift ± 15 % (+10 ... +70 °C) sensitivity adjustment no output indicator 4 port LED electrical data voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 20 mA output circuit NPN make function (NO) output current < 200 mA voltage drop Vd < 1,5 VDC switching frequency < 50 Hz short circuit protection yes reverse polarity protection yes connection diagram BN (1) mechanical data type rectangular housing material brass nickel plated dimension 20 mm housing length 35 mm connection types connector M8 NPN BK (4) BU (3) +VS Z output 0V ambient conditions operating temperature -25 ... +75 °C protection class IP 65 field of application detection of non-conductive media yes fill level detection through container yes liquids in direct contact no object detection / bulk goods yes www.baumer.com 22/4/2015