Parameter | Value |
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Model | ARC400ST Mini |
Input Voltage (V) | AC150-500 |
Frequency (Hz) | 50/60 |
Efficiency (%) | 80 |
Rated Input Current (A) | 220V: 53 / 380V: 33.8 |
Power Factor | 0.73 |
No Load Voltage (V) | 75 |
No Load Loss (W) | 80 |
Output Current Range (A) | 30-230 / 30-400 |
Rated Output Voltage (V) | 220V: 29.2 / 380V: 36 |
Duty Cycle (%) | 60 |
Net Weight (KG) | 5 |
Dimensions (MM) | 330 x 160 x 250 |
Insulation Grade | F |
Protection Grade | IP21S |

ARC 400 ST Mini
Key Feature
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Unique IGBT high-frequency inverter technology enables fast dynamic response for stable and precise welding performance ideal for professional use.
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Compact and extremely lightweight design (5kg) enhances portability, making it perfect for on-site welding and workshop environments.
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Supports continuous welding with 4.0mm electrodes, compatible with acid, alkaline, and cellulose electrode types for versatile industrial applications.
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Features arc force, fast arcing, and non-stick electrode functions to improve weld quality and reduce electrode sticking for smoother and more efficient operation.
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Contains automatic overcurrent and overheating protection functions ensuring safety and machine durability during extended use.
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Includes automatic compensation for power grid voltage fluctuations, maintaining consistent welding quality even in unstable power environments common in India.
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Equipped with intelligent double voltage conversion (220V/380V) and wide voltage range support (AC150V-500V), ensuring reliable operation across diverse power conditions.
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Rated for a 60% duty cycle and wide output current range (30-400A) to meet the demands of industrial and fabrication welding tasks.
Phases | Single double phase |
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