Masters™ MMA-400

MMA-400 Welding Machine (Inverter MMA Stick Welder)

The MMA-400 welding machine is a high-performance inverter-based stick welder designed for professional and industrial applications. It delivers stable output, digital control precision, and excellent energy efficiency — making it ideal for workshops, construction sites, and field operations.

Technical Specifications

1. Welding Current Range: 40–400A
2. Open Circuit Voltage: 67.5V
3. Duty Cycle: 60%
4. Protection Class: IP21S
5. Approx. Dimensions: 633 × 368 × 578 mm
6. Net Weight: ~25 kg
7. Inverter Technology: IGBT with protection against over-voltage, over-current, and overheating
8. Input Voltage: 380V ±15%, three-phase AC

Key Features

1. Advanced Digital Control for precise and easy current adjustment
2. Multiple Safety Protections for reliable and stable performance
3. Energy-Saving Inverter Design that enhances welding efficiency
4. Generator-Compatible, suitable for field or off-grid use
5. High Welding Power to handle various electrode types

Applications

1. Industrial workshops and maintenance centers
2. Construction and metal fabrication projects
3. Agricultural and factory equipment repair
4. Field welding in remote or off-grid locations