Proximity switch, product range: E53 Capacitive series, capacitive sensors, connection: 3-wire, rated switching distance: Sn= 15 mm, design (external dimensions): M18 x 1 mm, rated operating voltage: Ue= 10 - 30 V DC, installation type: non-flush, switching type: NPN, connection options: 2 m connection cable, contacts S = normally open: 1 S, material: plastic, protection class: IP65