Low Magnetic Noise High Efficiency Excellent Load Regulation Easy Assembly Very Low No-load Losses and Magnetizing Current Half Size and weight Comparing to EI Transformer Various Input Options 100/110/117/120/220/230/240V,50/60HZ Dielectric Strength 3KV/1min 100% Electric Parameters Test Power Range From 20VA to 3000VA available according to customers' needs Class B Insulation System Optional Single or Dual Primary