... /12V24V/12V24V48V120V240V240V360V360V492V492VTHD≤3%Dc to AC transfer efficiency80%--95%O/P wave formSine waveO/P VOLTAGE220V±3%,or 120v±1%380v±3% ,or208v ... ±1%O/PFrequency50HZ/60HZProtectionsProtection against short-circuit, overload, over-heating, and ...