①. 220v 10a Float Switch with 4m Cables, Automatic Water Level Controller for Tank Pump ②. Float Switch With 4m Cables, 220v 10a Float Switch Automatic Control Water Level Controller For Tank Pump ③. Application: This Floating Switch is suitable for controlling the pump work, adjusting the liquid level, and also can be installed on the submersible pump to control and protect the motor ④. Field of Application: The Float Switch can be widely used in swimming pools, barrels, tanks and other containers containing water, oil, acid and alkali in households, factories and mines ⑤. Material: The Water Level Regulator is made of polypropylene, which has good airtightness, can prevent leakage and ensure product accuracy ⑥. Easy to Use: This Water Level Regulator is designed according to the principle of gravity and buoyancy, it can be automatically adjusted, easy to operate, easy to install, easy to use ⑦. Note: This float switch can be used directly for motor below 750W, if the motor is larger than 750W, it is recommended to use an AC contactor