400A MMA IGBT Control Card (3 Relay)

The NG WELD 400A MMA IGBT Control Card (3 Relay) is a high-performance control board designed for inverter welding machines. Built with precision and durable components, it ensures efficient and stable operation of MMA welding machines. This control card provides reliable current regulation, fast response, and enhanced arc stability—perfect for both repair and new machine assembly.

Key Features:

• High Efficiency: Advanced IGBT technology for stable and smooth welding output.

• 3-Relay Design: Ensures accurate control and protection during operation.

• Durable Build: Made with high-quality capacitors, transformers, and relays for long-lasting performance.

• Wide Compatibility: Suitable for 400A MMA inverter welding machines.

• Easy Installation: Compact design and clearly labeled terminals for quick setup.

• Overload Protection: Safeguards the system from voltage surges and overheating.

• Consistent Performance: Provides excellent arc start and stable welding current.