3,7 kW, 850 Voc, 500 – 700 Vmp, 3380 VAC, 0 – 60 Hz, 9,0 AAC, Motorprotection, input 2Standard4, air cooling, LCD, IP66, -20. 60 °C. These pump inverters convert PV array power directly to AC power. The MPP-tracker adjusts the output frequency according to the solar. Compatible with submersible pumps, surface pumps, swimming pool pumps using 3-phase induction motors. Patented dynamic VI maximum power tracking (MPPT) algorithm; Faster response and good stability. 8 years storage capacity for operation data. They feature fully. Solar pumping systems produced by Shenzhen Solartech Renewable Energy Company can be applied to living water supply, agricultural irrigation, forestry irrigation, desert control, pasture animal husbandry, island water supply, wastewater treatment and so on.