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ARC 400 mos


ARC 400 mos  is a powerful and compact power source for the professional welder. The machine provides high performance and reliability through use of advanced MOSFET switching technology.


  • Advanced MOSFET Inverter power source for MMA welding.
  • On the front panel a digital display shows the operator a reading of actual welding current for precise ampere setting.
  • High quality potentiometer for smooth current adjustment.
  • Fast coupling socket for easy plug in.
  • Compact, portable and low energy consumption.
  • Adopts advanced MOSFET technology.
  • Auto protection against over voltage, over current and thermal protection.
  • Soft switching technology brings higher efficiency and more stable performance.
  • Arc dig function, good arc stability, less spatter and satisfactory welding appearance.
  • High welding quality, deep bath and strong weld strength.
  • Suitable for all kind of basic rods.
Power Voltage (V)380VAC  ±15% Duty Cycle (%)60
Frequency (Hz)50/60Efficiency (%)85
Rated Input Current (A)27.6Power Factor0.93
Rated Input Power Capacity (KVA)18.2Insulation ClassF
No-load Voltage (V)68VHousing Protection GradeIP21
Current Adjust Range (A)40-400Overall Dimension (mm)565 X 306 X 503
Rated Output Voltage (V)36Weight (Kg)7
  • A set of Electrode Holder with cable and fast coupling plug.
  • A set of Earth Clamp with cable and fast coupling plug.


                 Base MaterialPlate Thickness (mm)Welding Rod Diameter (mm)Current Range (A)
 Mild Steel & Stainless Steel           2.0 – 12.0                   1.6 – 5.0       40 – 400
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