Pro-3 Series Automatic Voltage Regulator

The Pro-3 Series Automatic Voltage Regulator features MCU control, 3-phase compensation servo motor technology and colourful LED display design and performs excellent voltage regulation with accurate output precision of less than 2%.

The Pro-3 Series includes 120% overload protection and 100% unbalanced loading capability which can ensure system stability as well as safe and clean output powering.



Pro-3 Series Automatic Voltage Regulator Technical Description


  • MCU control
  • Overload protection (on PCB) ≥ 120%
  • Motor protection (Unique function)
  • If fan fails, the device will cut off the output to avoid overheat
  • Colourful LED display
  • More accurate output precision ≤ 2%
  • 3-phase compensation servo motor technology
  • Industrial strength components
  • 100% unbalanced loading capability between 3 phases

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