Proximity switch, inductive sensors, range: E57 miniature series, connection: 3-wire, design (external dimensions): 6.5 mm, rated operating voltage: Ue= 10 - 30 V DC, rated switching distance: Sn= 1 mm, installation type: flush, switching type: PNP, 2 m connecting cable, contacts S = normally open: 1 S, material: stainless steel, protection class: IP67, standards and regulations: IEC/EN 60947-5