• Input Voltage/Frequency: 3-phase 400V ±10%, 50Hz

• Rated Input Current: 32 A

• Rated Input Power: 20 KVA

• No-Load Voltage: 70 V

• Output Current Range: 20–400 A

• Rated Duty Cycle: 60%

• Efficiency: 85%

• Power Factor: 0.95

• Insulation Grade: F

• Protection Class: IP21S

• Cooling Method: Air Cooling

• Dimensions (L×W×H): 470 × 260 × 465 mm

• Net Weight: 22.5 kg

The BLACKBULL MMA-400 IGBT is a robust inverter welding machine designed for demanding industrial applications. Utilizing advanced Insulated Gate Bipo Transistor (IGBT) technology, it delivers stable arc performance, energy efficiency, and comprehensive protection features. This machine is ideal for welding various materials, including carbon steel, stainless steel, and low alloy steel.​

Key Features and Benefits

Advanced IGBT Inverter Technology

The MMA-400 employs cutting-edge IGBT inverter technology, ensuring stable arc performance and reduced spatter. This results in cleaner welds and minimizes post-weld cleanup, enhancing overall productivity.​

High Output Capacity

With an output current range of 20–400A, the MMA-400 is capable of handling a wide variety of welding tasks, from thin sheet metal to heavy structural components. Its versatility makes it suitable for diverse industrial applications.​

Robust Protection Systems

The machine features comprehensive protection mechanisms, including overheat, overcurrent, overvoltage, and short-circuit protection. These safeguards ensure operator safety and prolong the machine’s lifespan.​

Energy Efficiency

Designed with energy conservation in mind, the MMA-400 boasts a power factor of up to 0.95, reducing power consumption and minimizing environmental impact.​

User-Friendly Interface

The MMA-400 includes a digital display for precise current adjustments and real-time monitoring. Its intuitive controls allow for easy operation, even for less experienced users.

Applications

The BLACKBULL MMA-400 IGBT is suitable for a wide range of welding applications, including:​

• Industrial fabrication

• Construction projects

• Shipbuilding

• Maintenance and repair work

• Automotive industry​

Its high output capacity and robust design make it an excellent choice for professionals requiring reliable and efficient welding solutions.