... -grid design 3.high transfer efficiency and powerful protection PV inverterFeatures:1,controlled by CPU,to keep the stability ... the inverter will not damage by frequence wave.4,PV inverter will lock the unit automatically in less than ... -4KW5KW10KW20KW30KW50KW100KWDC24V/12V24V/12V24V48V120V240V240V360V360V492V492VTHD≤3%Dc to AC transfer efficiency80%--95%O/P wave formSine waveO/P VOLTAGE220V±3%,or ...