... of contact auto voltage regulator,servo motor,automatic control circuit,etc.ApplicationFor office equipment,test equipment,medical ... when input voltage has a change of 105) Three-phase input voltagePhase voltge 160V-250VWire voltage 277V-430VAmbient ... 5°C -- 40°CWaveform distortionNo additional waveform distortion Three-phase output voltagePhase voltge 220VWire voltage 380VLoad power factor0. ...