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Our Digital MIG MMA Welding Machine 300N is a high-performance, multi-functional inverter welding solution purpose-built for industrial operators, trade clients, and professional fabrication workshops. Leveraging advanced IGBT inverter technology, this all-in-one unit integrates MIG, gasless MIG, MMA, and LIFT TIG welding functions, delivering unmatched adaptability for diverse welding tasks. It features an intuitive digital display for precise welding current control, a built-in wire feeder for seamless operation, and optional gas/gasless usage to suit both workshop and on-site environments. With automatic over-current, over-heat, and over-voltage protection, it ensures stable performance even during heavy-duty cycles. Compatible with low carbon steel, low alloy steel, and common metals, it supports 0.8-1.0mm welding wires and 1.6-5.0mm electrodes, making it a reliable workhorse for batch fabrication and on-site maintenance projects.

MODEL | MIG/MMA-140N | MIG/MMA-160N | MIG/MMA-180N | MIG/MMA-200N | ||||||
Input Power Voltage(V) | AC230V | AC230V | AC230V | AC230V | ||||||
Input Power Frequency(Hz) | 50/60 | 50/60 | 50/60 | 50/60 | ||||||
Rated Input Capacity(KVA) | 3.8 | 4.5 | 5.3 | 6.1 | ||||||
Output Current Range(MIG)(A) | 40-140 | 40-160 | 40-180 | 40-200 | ||||||
Output Current Range(MMA)(A) | 20-120 | 20-140 | 20-160 | 20-180 | ||||||
Output Current Range(LIFT TIG)(A) | 20-120 | 20-140 | 20-160 | 20-180 | ||||||
Load Voltage(V) | 16-21 | 16-22 | 16-23 | 16-24 | ||||||
Rated Duty Cycle(%) | 60 | 60 | 60 | 60 | ||||||
Wire Feed Speed(M/min) | 3-15 | 3-15 | 3-15 | 3-15 | ||||||
Gas Flow(L/min) | 15-20 | 15-20 | 15-20 | 15-20 | ||||||
Dimensions(mm) | 475*195*350 | 475*195*350 | 475*195*350 | 475*195*350 | ||||||
Weight(Kg) | 7 | 7.3 | 8 | 8.3 | ||||||
Usable Welding Rod(mm) | 1.6-3.2 | 1.6-3.2 | 1.6-4.0 | 1.6-5.0 | ||||||
Usable Electrode(mm) | 0.8-1.0 | 0.8-1.0 | 0.8-1.0 | 0.8-1.0 | ||||||
Unlike single-function welding equipment, our 4-in-1 inverter welding machine eliminates the need for multiple dedicated tools, supporting four core welding processes in one compact unit. This versatility allows trade clients to handle diverse welding techniques and material thicknesses, from thin sheet metal to thick steel structures, with a single device, cutting equipment investment and workshop space occupation.
Engineered with advanced pulse mixed transfer technology, our portable MIG welder for industrial maintenance reduces spatter by over 70% compared to conventional DC welders. The concentrated, stable arc ensures smooth molten pool transition, delivering neat, defect-free welds with minimal undercut and blowhole risks. This drastically cuts post-weld cleaning time, improves production efficiency, and elevates finish quality for batch fabrication.
Equipped with a professional welding parameter database and one-click parameter calling, this IGBT welding machine with lift TIG function enables precise control of 3-15M/min wire feed speed and welding voltage, ensuring consistent parameter accuracy. Its unique hybrid control technology boosts welding speed by over 20% vs standard pulse welders, with deep penetration and high deposition efficiency to complete heavy-duty tasks faster, ideal for high-volume industrial fabrication.
With a lightweight structure (as low as 7kg) and compact 475×195×350mm dimensions, this welder offers exceptional portability for mobile operations, breaking fixed welding station limitations. It features full safety protection systems, including over-voltage, under-voltage, over-heat, and short-circuit protection, preventing machine damage from abnormal conditions. The intelligent heat dissipation system ensures long-term stable operation with low noise and energy consumption, reducing maintenance costs for industrial operators.
This MIG MMA inverter welding machine is a staple for auto repair shops, ideal for welding car bodies, fenders, exhaust pipes, and thin steel components, with precise current control to prevent plate burn-through and gasless mode for outdoor mobile repair. It is widely used for industrial equipment and agricultural machinery maintenance, with portable design supporting operation in remote job sites to minimize equipment downtime. It also excels in residential decoration, outdoor billboard installation, and small steel structure splicing, handling guardrail, door and window frame welding with ease, with 220V AC power supply and low operation threshold perfect for decoration teams and construction contractors.