... /660Vcontrol electromotor pmaximum power: 22/38KWshape dimension:530X350X585/ 530X350X585 cmThe switch has functions below, 1. Phase failue, over loading, locked-rotor ... state.Control power: 2.2kw -- 160kwSupplied voltage: 380,660,1140VThis switch can control all the submersible pumps between the range of ... it is better that use our own pump with that switch, can get the best effect. automatic control ...