... (V)Power Range (kW)Single phase 220V± 20%Three phase 0~input voltage0.75kW~2.2kWThree phase 380V ... can be selected . ItemItem DescriptionInputRated voltage frequencySingle/three-phase 220VAC,three-phase 380VAC,50Hz/60HzAllowable voltage rangeVoltage fluctuation ... meter and voltmeter output,multiple speed/program operation, two-wire/three wire control,vibration frequency control, Multi-function input ...