three wire SK-3015A NPN NO inductive type proximity switch sensor Inductive Proximity Sensor Switch SK-3015A SK-3015B SK-3015C SK-3015D SK-3015AL SK-3015BL Delay distance: 10% below of the detection distance Detection object: Magnetic metal ( the detection distance decreases when it is non-magnetic metal) Supply voltage: DC type :DC12-24V (6-36V) Impulse (p-p) 10% below, AC type:AC110-220V (36-250V) 50/60Hz Consumption current: N.P type: 13mA Below, D type: 0.8mA below, A type: 1.7mA below Control output: N.P type:300mA below, D type: 200mA below, A type :400mA below Loop protection: N.P.D type: reversal connection protection, surge absorption, load short- circuit protection, A type: surge absorption Ambient temperature& humidity: During operation, storage : individually-30~65 (no freeze, no drew), During operation, storage: individually 35-95%RH Insulation impedance: 50 M above (DC500 megameter) between charging part and housing Withstand voltage: AC1000V 50/60Hz 1 min between charging part and housing Temperature influence: Temperature range ~30~+65, at +23, 15% detection distance Temperature range ~25~+60, at +23, 10% detection distance Voltage influence: Inside 15% rated supply voltage range, at rated supply voltage value, inside 10% detection distance Protection struction: IP67 (IEC specification) Material: (Housing: Nickel plated brass) , (Detection surface: ABS). Dimension 36*18 Mounting way Non-screen shield type Type DC type NPN NO SK-3015A NC SK-3015B NO+NC SK-3015AB PNP NO SK-3015C NC SK-3015D NO+NC SK-3015CD Two-wire NO SK-3015AL NC SK-3015BL AC type Two-wire NO SK-2015A NC SK-2015B Three-wire NO+NC Detection distance 15m10% Set distance 0~13mm Standard detection object Iron 55*55*1mm Response frequency DC:0.5Khz AC:25Hz _x000D_