... has high efficiency, small waveform distortion, stabilizationoutput voltage, small expend power, can be continue work ... of 10)Three-phase input voltagePhase voltage 160V~250VWire voltage 277V~430VAmbient temperature-5~+40Waveform distortionNo ... -phase output voltagePhase voltage 220VWire voltage 380VLoad power factor0.8Dielectric strength1500V/1minAccuracy of voltage stabilization220V±3 110V± ...