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MULTI-VOLTAGE ARC MMA
The KOKO-TAWA AC Arc Welding Transformer METRO-500 Heavy Duty is a powerful and durable solution tailored for demanding welding applications. Equipped with a moving core mechanism, it ensures precise current adjustment for consistent welding performance. This three-phase, 500A welding transformer is engineered for heavy-duty tasks and is compatible with 2.5 mm, 3.15 mm, and 4 mm electrodes, making it perfect for industrial and professional use. The double fiberglass structure of transfomer provides enhanced durability and safety under tough working conditions

Key Features
- Three-Phase Power:
- Operates on 440V 3-phase input, delivering high stability and efficiency.
- Moving Core Mechanism:
- Provides accurate and stable current adjustment for superior welding quality.
- Heavy Duty Build:
- Designed to handle continuous operations in challenging environments.
- Double Fiberglass Insulation:
- Ensures exceptional durability and resistance to heat and electrical stresses.
- Versatile Electrode Compatibility:
- Ideal for 2.5 mm, 3.15 mm, and 4 mm electrodes for various welding needs.
- Advanced Cooling System:
- Air-cooled technology for extended operational life and consistent performance.
- User-Friendly Controls:
- Intuitive interface for quick setup and smooth operation.
Technical Specifications
Parameter | Details |
---|---|
Model | METRO-500 Heavy Duty |
Input Voltage | 440V ± 10%, 50/60 Hz |
Phase | 3-Phase |
Output Current Range | 60A - 500A |
Duty Cycle | 60% at 500A |
Electrode Compatibility | 2.5 mm, 3.15 mm, & 4 mm |
Voltage Regulation | Moving Core Mechanism |
Cooling System | Air-cooled |
Insulation | Double Fiberglass |
Open Circuit Voltage (OCV) | 70V - 80V |
Weight | Approx. 75 kg |
Dimensions | 650mm x 400mm x 700mm |
Application
- Heavy Jobwork: Built to handle intensive and heavy-duty welding projects.
- Fabrication Workshops: Ensures precision and durability for large-scale welding.
- Industrial Manufacturing: Reliable for production lines and custom manufacturing.
- Construction Sites: Delivers robust performance under demanding site conditions.
Warranty
- 3 Year on the welding transformer for manufacturing defects.
Why Choose ELECTRA KOKO TAWA METRO-500 Heavy Duty?
- High Power Capability: 500A output with three-phase efficiency for heavy-duty tasks.
- Durable and Reliable: Rugged construction with double fiberglass insulation for long-lasting use.
- Precision Control: Moving core mechanism for stable and accurate current regulation.
- Versatile and Flexible: Compatible with a range of electrode sizes for various applications.
- Low Maintenance: Built for prolonged usage with minimal upkeep.