The Rilon MMA 400G is a heavy-duty industrial inverter welding machine designed for continuous fabrication, engineering, construction, and maintenance applications. Built with advanced IGBT inverter technology, the MMA 400G delivers stable arc performance, excellent welding efficiency, and outstanding durability under demanding working conditions.

Powered by a 3-phase supply, this DC inverter welder features Adjustable VRD, Arc Force, and Hot Start functions to ensure smooth arc ignition, reduced spatter, and professional welding performance. It also supports an optional remote control, allowing operators to adjust welding parameters conveniently for large fabrication jobs.

Designed for use with up to 5.0mm electrodes, the MMA 400G is compatible with acid, basic, and cellulosic electrodes, making it an excellent choice for fabrication workshops, heavy engineering, infrastructure, and industrial maintenance.

Key Features

• Advanced IGBT Inverter Technology
• Industrial MMA (Stick) Welding Machine
• 3-Phase Power Supply
• Stable DC Welding Output
• Optional Remote Control
• Adjustable VRD Safety Function
• Adjustable Arc Force
• Adjustable Hot Start
• Tri-Proof Air Duct Design
• Heavy-Duty Industrial Construction
• Recommended for 5.0mm Electrodes
• Suitable for Acid, Basic & Cellulosic Electrodes

Applications

• Heavy Engineering
• Steel Fabrication
• Structural Welding
• Industrial Manufacturing
• Construction Sites
• Plant Maintenance
• Heavy Equipment Repair
• Infrastructure Projects

Technical Specifications

Why Choose the Rilon MMA 400G?

The Rilon MMA 400G is built for professionals who demand reliable industrial welding performance. Its intelligent arc control, energy-efficient IGBT inverter technology, and durable construction make it ideal for fabrication workshops, heavy engineering, and industrial production environments where continuous operation is essential.