Function & Purpose The product adopts integrated circuit and is designed by the water grade of cistern of a storied building with the functions of upper and bottom cistern's combined control, cistern's drainage and water-absent protection, etc. and can automatically realize the water supply and drainage, can effectively prevent the extra height of cistern or water pump racing damage, which is available for industry and home use, and suitable for the wells of cities, villages, schools, industrial mining enterprise units and home, i.e. well water supply project, and is used widely for printing and dyeing, chemical, food, drink, wine-industry and sugar refining, etc. Performance index Type DF-96A DF-96B DF-96C Meas. (mm) 126*88*51 126*88*51 126*88*51 Working Voltage 220V 220V 380V Mounting Wall mounting Wall mounting Wall mounting Loading 10A 20A 20A Power ≤5W ≤5W ≤5W