Proximity switch, inductive sensors, range: E57 Premium+ series, connection: 2-wire, design (external dimensions): M30 x 1.5 mm, rated operating voltage: Ue= 20 - 250 V AC, rated switching distance: Sn= 15 mm, installation type: non-flush, 2 m connection cable, contacts Ö = normally closed: 1 Ö, material: stainless steel, protection class: IP67, standards and regulations: IEC/EN 60947-5-2