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The 120A 3-in-1 MIG Welding Machine is a compact and versatile welding solution launched by PANERGY for light industrial fabricators, professional repair service providers and building decoration teams. As a core product of the portable industrial welding series, it integrates MIG/MMA/LIFT TIG three welding functions in one compact body (340×162×220mm), breaking the functional limitation of single-mode portable welders. Adopting advanced IGBT inverter technology, it features energy-saving performance and low noise operation, perfectly adapting to indoor fabrication and outdoor on-site repair scenarios with strict noise and power requirements. The machine is equipped with a high-precision digital display and single-knob control, realizing precise adjustment of welding current (40-140A MIG output), and the electronic induction regulating and tip ball removing functions optimize the welding process for excellent welding characteristics. Available in MIG/MMA-100, MIG/MMA-120 and MIG/MMA-140 models, with a lightweight design of 4.3-5KG and AC230V universal power supply, it supports 0.8-1.0mm electrodes and 1.6-3.2mm welding rods, and the built-in wire feeder with adjustable 3-15M/min wire feed speed ensures stable wire feeding for small and medium welding tasks. With effective spatter control and multi-circuit protection, it is a cost-effective welding tool for light industrial and professional service teams.

MODEL | MIG/MMA-100 | MIG/MMA-120 | MIG/MMA-140 | ||
Input Power Voltage(V) | AC230V | AC230V | AC230V | ||
Input Power Frequency(Hz) | 50/60 | 50/60 | 50/60 | ||
Rated Input Capacity(KVA) | 2.4 | 3 | 3.8 | ||
Output Current Range(MIG)(A) | 40-100 | 40-120 | 40-140 | ||
Output Current Range(MMA)(A) | 20-80 | 20-100 | 20-120 | ||
Output Current Range(LIFT TIG)(A) | 20-80 | 20-100 | 20-120 | ||
Load Voltage(V) | 16-19 | 16-20 | 16-21 | ||
Rated Duty Cycle(9%) | 60 | 60 | 60 | ||
Wire Feed Speed(M/min) | 3-15 | 3-15 | 3-15 | ||
Gas Flow(L/min) | 15-20 | 15-20 | 15-20 | ||
Dimensions(mm) | 340*162*220 | 340*162*220 | 340*162*220 | ||
Weight(Kg) | 4.3 | 4.5 | 5 | ||
Usable Welding Rod(mm) | 1.6 | 1.6-2.5 | 1.6-3.2 | ||
Usable Electrode(mm) | 0.8-1.0 | 0.8-1.0 | 0.8-1.0 | ||
The integrated MIG/MMA/LIFT TIG three welding processes cover almost all light industrial welding needs: MIG welding for fast sheet metal welding, MMA welding for thick plate and structural welding, and LIFT TIG for precision welding of stainless steel and aluminum-magnesium alloys. It can handle 0.5mm sheet metal spot welding to 4.5mm thick plate welding, eliminating the need for multiple welding equipment for light industrial enterprises and reducing equipment procurement costs.
Adopting a professional flux-cored wire design, it supports gasless MIG welding without additional shielding gas cylinders, and the 1KG lightweight wire spool is directly compatible with the machine’s built-in wire feeder. The 3.5-8.1KG portable body can be easily carried to outdoor field operations, solving the problem of gas cylinder transportation and storage in on-site repair scenarios, and greatly enhancing the welding efficiency of outdoor maintenance teams.
Combining IGBT inverter technology and pulse control circuits, the machine precisely regulates heat input through high-frequency current pulses, reducing welding spatter by more than 30% compared with traditional portable welders. The integrated thermal overload protection system automatically powers off when the machine overheats, ensuring neat weld formation and extending the equipment’s service life, which is especially suitable for precision fabrication of stainless steel decorations and automotive thin plate repair.
Equipped with a clear digital display and single-knob parameter adjustment, it supports precise presetting of voltage and wire feed speed, allowing novice technicians to master parameter matching in a short time. The LED real-time status indicator and VRD anti-electric shock function ensure operation safety, and the automatic 110V/220V dual-voltage identification adapts to different power supply environments of industrial workshops, construction sites and outdoor repair spots, with strong environmental adaptability.
Perfect for automotive repair service providers engaged in thin body panel mending, exhaust system welding and frame part repair. Its precise heat control and low spatter performance avoid burn-through of 0.5-1.2mm automotive steel, and the gasless operation mode is suitable for garage and mobile on-site repair needs, without the need to configure heavy gas cylinders and professional gas supply systems.
Ideal for small light industrial fabrication enterprises producing small steel structures, machine components and prefabricated building parts. It can weld mild steel, stainless steel and galvanized materials, with stable welding performance ensuring the structural strength of prefabricated parts, and the compact size of the machine saves workshop space, suitable for small-scale production workshops with limited operating area.
Serves agricultural and mining machinery maintenance teams for outdoor field maintenance such as agricultural tractor repair, mining equipment component patching and outdoor pipeline welding. The gasless flux-cored wire eliminates the dependency on shielding gas, and the AC230V power compatibility works with portable generators, realizing emergency welding repair in remote mining areas and farmyards without stable power supply.
Applied to building decoration teams for the installation of steel railings, door/window frames and carports. The compact machine body can be easily moved to high-rise construction sites and narrow indoor decoration spots, handling 0.8-4.5mm material welding for both indoor decoration and outdoor structural connections, and the fast MIG welding mode shortens the construction period of decoration projects.