1.3.7kw pump controller drive 3 phase AC pump 2.pump inverter used for irrigation 3.efficiency 98% 4. without ... conditions, different types of pump such as centrifugal pump, axial flow pump, mixed-flow pump or deep-well pump can be used. Features ... on the array change rapidly. · ·Digital control with full automatic running, data storage and complete protective functions (overload, over voltage ...