Valve sensor technology, inductive sensor, cuboid-shaped plastic, switching distance: 4 mm, not flush mountable, 4-wire, connection to certified intrinsically safe circuits, with the maximum values: U = 15 V / I = 50 mA / P = 120 mW, nominal voltage: 8.2 V DC, current consumption: 1 mA, 2 x normally closed, 2 x nc, plug connection, M18 plug connection, ATEX approval, Group II, Category 1D, Group II, Category 1G/2G, housing material: housing: PBT cover: PC