product manual Model: ST——70AB Rated voltage: 24V-220V Rated current: 7.5A Control range: 0.2-5.0 meters Working temperature: 5-60 degrees Celsius Mechanical life: 1 million times Electrical life: 100,000 times The maximum power of the pump that can be directly controlled: 0.75KW (1.0HP). If the power is exceeded, the pump must be equipped with a corresponding AC contactor. This product is dual-purpose for water supply and drainage, the A terminal is used for water supply, and the B terminal is used for drainage. The float has a stable center of gravity and high accuracy. Suitable for stainless steel water towers and pools, start without water, stop when full water, easy to install.