Inductive proximity sensors, IQG, IQ40-20BPPKC0K, Special applications: Difficult application conditions, Sensing range Sn: 20 mm, Installation type: Flush, Cuboid shape (W x H x D): 40 mm x 40 mm x 66 mm, Electrical wiring: DC 4-wire, Switching output: PNP, Output function: Complementary, Connection type: Male connector M12, 4-pin