Carlo Gavazzi VC5510 Series Capacitive Flat-Style Proximity Sensor, 10 mm Detection, NPN Output, 5 → 30 V dc,

The Carlo Gavazzi Capacitive proximity sensor is available in flat pack housing, size 35 x 55 x 15 mm. It has easy mounting with two M4 screws. Typical applications are in whirlpools for switching ON and OFF the heating element, starting and stopping the air pump, controlling the level of the water, the level of the disinfection fluid.

1.5 m PVC cable
IP65 degree of protection
LED indication when activated
Make or break switching function
2 to 10 mm adjustable sensing distance