... power point tracking 3.Max efficiency 85% MOTOR DATAModel4SPS3/60-D36/500Max flow3.0M3/hMax head60mVoltage36VPower500WPump diameter4”Outlet1.25”G ... waterApplicationPumping water from deep well, gardening, fountain and etcPRODUCT FEATUREcompact structure, high-lift, noiseless, pollution-free;Complete electrical protecting controller ... solar submersible deep well water pump system (4SPS3/60-D36/500)