... , Down, UP-Down, Protection ect 3. AC220V,380V electronic/automatic water level controller1. Capacity: 10A 2. Up, Down, UP-Down, ... circuit, combined with the upgradeof water level classification through upper and lower pools of water towerof high-rise buildings. It ... the pump from damaged. It is very suitable for the water supply project on water towers or wells inschools, industrial and mining ...