... optional, 45Hz~65Hz Applications:Television, refrigerator, air condition, computer, electric fan, induction cooker, generator, printer, duplicators, ... current which is the best application for solar system. Its individual AVR function make your appliance ... for regulatorFrequency50/60 Hz ± 0.5Hz, subject to the mainWave formPure sinve waveWave distortion≤ 3%ProtectionOverloadYesHigh ...