... terminal port provides easy,safe and reliable PV grid connected inverter,grid-connected inverter,pv inverterGeneral Descriptions:SG3K is using ... It is the ideal product used for string-connected small PV power station, or individually for a small house ... Frequency50Hz/60HzCurrent THD< 3%(at nominal power)Power Factor~1(at nominal power)SystemMax. Efficiency94%Euro Efficiency93%Protection DegreeIP65 ...