Capacitive proximity sensors CFAK 12 (Sn = 0,1 mm) Capacitive proximity sensors sample drawing L M12 x 1 ø 10,6 39,5 SW 17 32,5 21,5 7 1,2 ø 29,5 ca. 34 LED M8 x 1 general data sample picture special type liquid level sensor for wastewater nominal sensing distance Sn 0,1 mm mounting type non-flush GND electrode no temperature drift ± 20 % sensitivity adjustment no output indicator LED yellow measurement type contact with medium electrical data voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 12 mA output current < 200 mA voltage drop Vd < 2,5 VDC switching frequency < 15 Hz short circuit protection yes reverse polarity protection yes mechanical data type cylindrical threaded housing material POM material (screw nut) POM material (gasket) EPDM50 dimension 12 mm housing length 39,5 mm ambient conditions operating temperature 0 ... +50 °C protection class IP 67 field of application detection of non-conductive media no fill level detection through container no liquids in direct contact yes object detection / bulk goods no 1 www.baumer.com 2/6/2015 Capacitive proximity sensors CFAK 12 (Sn = 0,1 mm) Capacitive proximity sensors order reference output circuit connection types CFAK 12N1140/KS35L NPN make function (NO) flylead connector M8, L=200 mm cable, 2 m CFAK 12N1140/L NPN make function (NO) CFAK 12N3140/KS35L NPN break function (NC) flylead connector M8, L=200 mm CFAK 12N3140/L NPN break function (NC) cable, 2 m CFAK 12P1140/KS35L PNP make function (NO) flylead connector M8, L=200 mm CFAK 12P1140/L PNP make function (NO) cable, 2 m CFAK 12P3140/KS35L PNP break function (NC) flylead connector M8, L=200 mm CFAK 12P3140/L PNP break function (NC) cable, 2 m 2 www.baumer.com 2/6/2015