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Aone Arc 400 Three-Phase Inverter Mma Welding Machine

Original price was: KSh 40,000.00.Current price is: KSh 31,499.00.

  • Brand: AONE
  • Model: ARC 400
  • Type: Inverter MMA (stick) welder
  • Input Voltage: 380V (three-phase)
  • Welding Current: 40 – 400A
  • Output No-Load Voltage: 65V
  • Duty Cycle: 40%
  • VRD: Yes (switchable)
  • Controls: Current, arc force and hot start knobs
  • Display: Digital display
  • Protection Class: IP21S
  • Insulation Class: H
Description

The AONE ARC 400 is a heavy-duty inverter stick welder built for demanding industrial and structural welding. It delivers up to 400A on a 380V supply, enough to run large electrodes on thick steel plate, pipe and heavy sections. Dedicated arc force and hot start controls let you fine-tune the arc for easy starting and stable, spatter-controlled welding, while the built-in VRD (voltage reduction device) adds an extra level of operator safety. Built to perform and made to last.

Key Features & Benefits

  • 40-400A welding current: A very wide range, from medium fabrication to heavy structural welding.
  • 380V input: Designed for three-phase supply in workshops, factories and large sites.
  • 40% duty cycle: Longer productive welding between cooling periods on demanding jobs.
  • Arc force control: Adjusts the arc for stable welding with fewer electrode sticking problems.
  • Hot start control: Boosts the current at ignition for easy, reliable arc starting.
  • VRD safety function: Lowers the output voltage when not welding to help protect the operator.
  • Digital display: Shows the set current clearly for accurate adjustment.
  • 65V output no-load voltage: Supports easy arc starting and stable arc performance.
  • Class H insulation and IP21S protection: Heat-resistant insulation and a rated enclosure for reliable service in tough workshop conditions.
  • Ventilated, rugged housing with carry handle: Good cooling and easy to move around the workshop.

Why Choose the AONE ARC 400?

  • Powerful 400A output for thick steel and large electrodes
  • Arc force and hot start controls for better weld quality
  • Built-in VRD for added operator safety
  • 40% duty cycle for longer productive welding
  • Rugged industrial build made to last
  • Available from Njunex Power Tools with delivery across Kenya

Applications

  • Structural Steel Fabrication: Welding beams, columns, trusses and heavy frames.
  • Heavy Repair and Maintenance: Repairing large machinery, trailers, excavators and equipment.
  • Industrial and Factory Work: Continuous production welding on thick plate and sections.
  • Pipe and Tank Fabrication: Welding thicker pipes, tanks and pressure-free vessels.
  • Construction and Steel Erection: Heavy site welding where three-phase power is available.
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