220V 10A Float Switch with 4M Cables, Automatic Water Level Controller for Tank Pump Float switch with 4M cables designed for automatic water level control in tanks and similar containers. Suitable for controlling pump operation and maintaining liquid levels. Can be installed on submersible pumps to help protect the motor. Widely used in residential, industrial, and commercial applications such as swimming pools, barrels, tanks, and other vessels containing water, oil, acid, or alkali solutions. Constructed from high-quality polypropylene material for excellent durability and sealing performance. Resistant to leaks and ensures reliable operation. Operates based on gravity and buoyancy principles for automatic control. Simple to install and use. Compatible with motors up to 750W. For motors exceeding 750W, use with an AC contactor is recommended.