110V 3-in-1 Flux Core MIG, TIG & MMA Welder, 120A, Lightweight 2.85kg Design
Rated Duty Cycle: 20%
MMA/TIG/FLUX MIG: 20-120A
Rated Input Current: 45A
Input Voltage / Frequency: 110V
model: MIG-145
Product Description
This 3-in-1 portable welder combines Flux Core MIG, TIG and MMA welding functions in one compact machine. Powered by advanced IGBT inverter technology, it delivers up to 120A welding output on standard 110V input, making it suitable for home repair, DIY projects, maintenance and light fabrication.
With an ultra-lightweight 2.85kg design, this portable welding machine is easy to carry, store and operate. It is ideal for users who need a compact, gasless welding solution for home, workshop or field applications.




Product Specifications
| Product Type | 3-in-1 Portable Welder |
|---|---|
| Supported Processes | Flux Core MIG, TIG, MMA |
| Input Voltage / Frequency | 110V |
| Rated Input Current | 45A |
| Process Input Current | MMA: 53.4A; TIG: 32.7A; Flux Core MIG: 43.6A |
| Output Current Range | MMA / TIG / Flux Core MIG: 20-120A |
| Rated Duty Cycle | 20% |
| Inverter Technology | IGBT |
| Efficiency / Power Factor | 0.73 / COSφ 0.8 |
| No-load Voltage | 56V |
| Welding Thickness | 0.3-5mm |
| Usable Wire Diameter | 0.8-0.9mm |
| Usable Electrode Diameter | 2.0-3.2mm |
| Insulation & Protection Class | F |
| Machine Dimensions | 280 × 150 × 220mm |
| Package Dimensions | 370 × 185 × 305mm |
| Net Weight | 2.85kg |
| Gross Weight | 6kg |
Product Advantages
1. 3-in-1 Multi-Process Capability
Supports Flux Core MIG, TIG and MMA welding functions in one compact machine, offering flexible welding options for different applications.
2. Ultra-Lightweight Portable Design
Weighing only 2.85kg, the machine is easy to carry and ideal for home, workshop and field applications.
3. Standard 110V Household Power
Runs on standard 110V household outlets without requiring industrial power, special wiring or complicated setup.
4. Advanced IGBT Inverter Technology
Provides stable arc performance, smooth welding operation and improved efficiency for reliable welding results.
5. Compact Yet Powerful 120A Output
Delivers up to 120A welding output for home repair, maintenance and light fabrication work.
6. Gasless Flux Core Welding Ready
Supports flux core welding without shielding gas, making it convenient for outdoor, mobile and DIY applications.


List of Accessories
- 200A ground clamp, 16mm² copper-clad aluminum cable, 1.2m, with 10/25 quick connector
- 200A electrode holder, 16mm² copper-clad aluminum cable, 1.8m, with 10/25 quick connector
- Chipping hammer with wire brush
- Welding goggles
- 0.45kg flux core welding wire
- 14AK gasless MIG torch, 2m
- Contact tips, 2 pcs
- Welding gloves
- 2.5mm welding electrodes, 5 pcs

FAQ
Q1. What welding processes does this machine support?
It supports Flux Core MIG, TIG and MMA welding, providing three welding functions in one compact machine.
Q2. Can I weld without shielding gas?
Yes. The Flux Core MIG function allows gasless welding, making it ideal for outdoor use and areas where shielding gas is unavailable.
Q3. What power supply does it require?
The machine operates on standard 110V household power, eliminating the need for industrial voltage or special wiring.
Q4. What is the maximum welding output?
It delivers up to 120A welding output on 110V input, suitable for home repair, maintenance and light fabrication applications.
Q5. What is the duty cycle?
The rated duty cycle is 20% at 120A, meaning the machine can weld continuously for 2 minutes within a 10-minute cycle at maximum output.
Q6. What wire sizes are supported?
The machine supports 0.8mm to 0.9mm flux core welding wire.
Q7. What electrode sizes can be used?
It supports 2.0mm to 3.2mm welding electrodes for MMA welding applications.
Q8. What materials can be welded?
It is suitable for welding carbon steel and mild steel used in home repair, maintenance and light fabrication projects.
Q9. Is this machine beginner-friendly?
Yes. Its simple controls, lightweight 2.85kg design and gasless welding capability make it suitable for beginners, hobbyists and DIY users.
Q10. What welding thickness is recommended?
The machine is suitable for welding materials from 0.3mm to 5mm, depending on the material type, welding process and operating conditions.
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