... /17002100/22002500/2600 InputVoltageThree phase and four wireFrequency50Hz+/-10%/ 60Hz+/-10%OutputVoltage(Three phase ans four wire)380V/ ... ratio3:1Degree of distortion THDHarmonic distortion of The Phase voltage main Wave (Linear load)Output waveformPure sine wave100 ... screen dot-maxteic display oprating status, menu opertion,voltage, current,parameter,modelLEDUPS openation,Rectification erro,UPS ...