... 2.maintenance-free 3.excellent efficiency 4.TUV&CE. MNE 30KW solar water pumpingSpecifications:Power capacity: 30KWOpen circuit voltages: 820V DC (maximum ... , 3 phasesOutput frequency: 0 to 50/60HzFeatures:Specially designed for solar pumping useWith AC switch functionMPPT control, high-efficiency up to ...