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COMMANDER-500 Welding Machine
The ARC 500 COMMANDER Welding Machine is a high-performance heavy-duty IGBT module-based inverter welder. Designed for industrial applications, it features an inbuilt Voltage Reduction Device (VRD), reducing welding voltage to a safe level (<36V) when the arc strikes from 89V. This innovation prevents electrode sticking and ensures instant arc strikes, delivering superior performance and safety

Key Features
- Advanced IGBT Technology:
- Equipped with a robust IGBT control system for stable and efficient operation.
- Delivers smooth and reliable welding performance with high arc stiffness.
- Inbuilt Voltage Reduction Device (VRD):
- Welding voltage reduces to <36V after arc striking to prevent electrode sticking.
- Ensures operator safety and enhanced welding precision.
- High Efficiency and Power:
- Rated current up to 500A with a wide current range of 50A to 500A.
- Rated Duty Cycle: 100% at 390A, 60% at 500A, enabling continuous operation for demanding tasks.
- User-Friendly Design:
- Adjustable knobs for precise output control.
- Compact and lightweight design for easy mobility and setup.
- Industrial Durability:
- Designed for a wide range of materials, including carbon steel, cast iron, stainless steel, copper, and alloys.
- Enclosure protection class IP21S for reliable performance in tough environments.
- Energy-Efficient:
- Achieves efficiency ≥85%, reducing energy consumption.
- High power factor (COSφ = 0.99) ensures optimal energy utilization.
Technical Specifications
Parameter | Unit | ARC 500 COMMANDER |
Output | ||
No-load Voltage | V | 76 |
Working Voltage | V | 22-40 |
Rated Welding Current | A | 500 |
Current Range | A | 50-500 |
Rated Duty Cycle | % | 100% @ 390A / 60% @ 500A |
Input | ||
Phases | Phase | 3 |
Frequency | Hz | 50/60 |
Supply Voltage | V | 415 |
Rated Input Current | A | 26 |
Maximum Effective Input Current | A | 20 |
Rated Input Capacity | kVA | 24 |
Efficiency | % | ≥85% |
Power Factor (COSφ) | 0.99 | |
Protection and Build | ||
Insulation Class | H | |
Protection Class | IP21S | |
Weight | kg | 25 |
Dimensions (L×W×H) | mm | 510 × 250 × 483 |
Application
- Industrial Fabrication: Welding for large-scale fabrication projects.
- Construction: Ideal for structural welding in construction sites.
- Heavy Equipment Repair: Reliable for maintenance and repairs.
- Pipeline Welding: Suitable for demanding pipeline construction and repair tasks.
Benefits
- Enhanced Arc Strength: Superior arc stiffness for cleaner and stronger welds.
- Safety-Driven Design: VRD minimizes risk during operation, ensuring user safety.
- Cost-Effective: High efficiency and reduced energy consumption lower operational costs.
- Durability: Designed for rugged industrial use with advanced protection features.