MMA-300 Heavy Duty Stick Welder Inverter 300A | 220V Single Phase | Industrial Welding Machine | IGBT Technology | Digital Display | Adjustable Hot Start & Arc Force | For Heavy Fabrication and Professional Use

• 220V single-phase input designed for industrial and workshop environments.

• Powerful 300A output supports continuous welding with electrodes up to 6.0mm.

• IGBT inverter technology ensures a stable arc and reduces energy consumption.

• Digital display for precise welding current setup.

• Adjustable Hot Start for smooth arc ignition on heavy-duty welding tasks.

• Arc Force Control enhances weld penetration and improves arc stability.

• High duty cycle: 80% @ 300A, capable of supporting long welding sessions.

• Full safety system: over-voltage, over-current, overload, and thermal protection.

• Includes 3M ground clamp cable and 3M electrode holder cable for extended reach.

MMA-300 Stick Welder Inverter 300A 220V Single Phase

The MMA-300 is a high-output industrial stick welder engineered for demanding welding jobs. Built with IGBT inverter technology, this machine delivers a powerful 300A output with stable arc performance and energy efficiency. It is perfect for professional welders working on heavy-duty applications, including structural steel, machinery fabrication, and on-site industrial repairs.

Operating on 220V single-phase power, the MMA-300 is capable of running large diameter electrodes up to 6.0mm. With a duty cycle of 80% @ 300A, this welder is designed to handle long welding sessions without interruption.

A digital display offers precise control of the welding current, and the system automatically compensates for voltage fluctuations to protect the unit and operator. The adjustable Hot Start provides reliable arc ignition, and the Arc Force Control allows welders to optimize penetration and arc stability across various materials.

For safety and durability, the MMA-300 includes protections against overvoltage, overcurrent, overload, and overheating.

Technical Specifications:

• Input Voltage: 220V Single Phase

• Frequency: 50/60Hz

• Max Load Power Capacity: 12.1 kVA

• Rated Input Current: 75.0A

• Rated Output Current/Voltage: 300A / 32.0V

• Welding Current Range: 20A ~ 300A

• Open Circuit Voltage: 62V

• Duty Cycle: 80% @ 300A / 100% @ 268A

• Recommended Electrode Size: Up to 6.0mm

• Protection Class: IP21S

• Insulation Grade: F

• Dimensions: 530mm x 315mm x 430mm

• Net/Gross Weight: 9.5 kg / 15.0 kg

Package Includes:

• 3M ground clamp cable

• 3M electrode holder cable

Engineered for industrial use, ideal for structural welding, shipbuilding, machinery maintenance, and heavy fabrication projects.