InputPhaseSingle phaseVoltageAC150-250VFrequency50Hz/60HzOutputVoltageAC220V /-3�pacity4000W4000W6000W8000WFrequency (Inverter Mode)50Hz/60HzPower factor80%Functioncontrol typeservo motorOver/Low Volt protectionyesShort Circuit ProtectionMCBtemperature protectiontemperature protection optionEfficiencyAC-AC0.96AcousticNoise level≤50dBEnvironmentalTemperature-5-60 DegreeHumidity20% to 90%