PI500A-S/PI500-S/PI150-S series solar inverter special for PV water pump adopts the highaccuracy fast MPPT algorithms,tracking the PV array output by the maximum power point,driving the pump motor as much as possible to meet various pumping applications.The solarinverter special for PV water pump can support AC input besides support PV array DC input.When the PV array can not drive the motor or does not have output,it can also accept the gridDC input or other AC motor to supply the power to meet various emergency needs.PI500A-S/PI500-S/PI150-S series solar inverter special for PV water pump provides fullprotection,maximizing the life of motor and pump.