DC / AC Float Switch, Water Level and Bilge Pump Control Sensor



Float Switch Sensor with Counterweight, suitable for Boat bilge or water tanks.

Automatic water/liquid level pump control with this non-corrosive and non-toxic sensor. Also used as a reliable bilge switch in larger boats.


  • Switch Type: Float Switch.
  • Rated Voltage: 12V – 24V DC, 125V – 250V AC (50 / 60 Hz)
  • Rated Current: 10A, Resistive Load
  • Cable length: 1 m
  • Waterproof to IP68
  • Max. Operating Temperature: 55 °C
  • Float Head Dimensions: 100 mm x 80 mm x 40 mm


  • Fix counterweight on the power cable as shown in instruction manual.
  • Adjust counterweight and check for range of movement of the sensor to determine max water level.
  • Use retaining clips to fix sensor cable to tank body.
  • Connect electrical cable with pump. Connection wiring:
    • Black – Common
    • Brown – N.C – Normally Closed Contact
    • Blue – N.O – Normally Open Contact

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