... UP-Down, Protection ect 3. AC220V,380V electronic/automatic water level controller1. Capacity: 10A 2. Up, Down, UP-Down, ... designed in integrated circuit, combined with the upgradeof water level classification through upper and lower pools of water towerof high ... or rural. More, it iswidely used in printing, chemical, food, beverage, wine, sugar and so on. Technical Specificationsworking Voltage ...