*Input Voltage	160~250V
 *Output Voltage	0.5KVA-3KVA   220V and 110V
  5KVA-30KVA     220V
*Regulation Accuracy	220V±3%  110V±3%
 *Frequency	 50Hz/60Hz
 *Adjust Time	<1秒(when input voltage changes 10% )
*Efficiency	>95%
*Relative Humidity	≤95%
*Ambient Temperature	-5℃ ~+ 40℃
*Waveform Distortion	No Additional Waveform Distortion
*Load Power Factor	0.8
*Electric Intensity	1500V/min
*Insulation Resistance	≥2MΩ