The float sensor is a device used to detect the level of liquid within a tank. The switch may be used in a pump, an indicator, an alarm, or other devices. The magnet inside the bulb structure is an electromagnetic ON/OFF switch that helps to sense the level of water present in the overhead tank or sump. It is usually used in applications, such as a pump/valve control and detecting the water level in fuel and water tanks and notify if the tank is full of water or when it is empty.

This type of switch is widely used in air conditioners, humidifiers, coffee maker, drinking fountains, printing equipment, hydraulic equipment, water treatment, cleaning machines, boating, paper making, printers, household appliances, machinery and equipment, level control, automatic water control systems and other fields and industries

Note: Avoid magnetic interference to the sensor. Be careful not to drop the switch and avoid installing it in a shaking or vibrating environment. Use this switch at 36V or less.


  • Work current: 0.5A
  • Work voltage: 36V
  • Work temperature range: -10 ~ 80 °C.
  • Material: PP plastic


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