Toshon ARC 400 Inverter Welding Machine – Heavy Duty 3-Phase MOSFET/IGBT Welder
Power Your Projects with Industrial Precision
The Toshon ARC 400 is a powerhouse designed for professional welders who demand reliability and performance. Built with advanced inverter technology, this machine is ideal for heavy-duty industrial applications, including carbon steel, stainless steel, and alloy steel welding. Whether you're working on pressure vessels, shipbuilding, or large-scale construction, the ARC 400 delivers a smooth, stable arc every time.
Key Features
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Advanced Inverter Technology: Utilizes high-frequency MOSFET/IGBT switching for a stable DC output and energy savings of up to 30%.
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Built-in Protections: Features automatic protection against over-voltage, over-current, and overheating to ensure long-term durability.
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Auto-Compensation: Handles power supply fluctuations effortlessly, maintaining a consistent welding current even with long extension cables.
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Arc Force & Hot Start: Includes an excellent arc-force compensation function to prevent sticking and a "Hot Start" feature for easy arc ignition.
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Versatile Electrode Compatibility: Optimized for both acid and basic electrodes, as well as cellulose electrodes.
Technical Specifications
Feature |
Specification |
Model |
ARC 400 |
Input Voltage |
415V AC ±15% (3-Phase) |
Output Current Range |
30A – 400A |
Duty Cycle |
60% |
Efficiency |
85% |
Electrode Size |
2.0mm – 5.0mm |
Weight |
Approx. 26.5 kg |
Protection Class |
IP21 / Insulation Grade F |












