Proximity switch, inductive sensors, range: E57 Premium+ Short series, connection: 2-wire, design (external dimensions): M18 x 1 mm, rated operating voltage: Ue= 40 - 250 V AC, 20 - 250 V DC, rated switching distance: Sn= 5 mm, installation type: flush, plug connection M12 x 1, contacts S = normally open: 1 S, material: stainless steel, protection class: IP67, standards and regulations: IEC/EN 60947-5-2