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Magnum THF 270 MT MICRO WELDING inverter welder
The Magnum THF 270 MT is a specialised TIG AC/DC welder designed for professionals who need absolute precision. The distinct MICRO WELDING function allows work on the thinnest material and in jobs where every detail counts. Built around modern IGBT inverter technology, the machine gives full control over the TIG process, including AC welding of aluminium and its alloys. It is a sound choice for advanced workshops, production firms and repair services that look for uncompromising quality at the price to performance ratio typical of the Magnum brand.
Key features
Specialised TIG MICRO WELDING function for the highest precision at low currents
2-in-1 multiprocess: TIG AC/DC (HF and Lift striking) plus advanced MMA
Full control of the TIG parameters: pulse, AC balance, wave shape, pre and post gas, current slope up and down
IGBT inverter technology that keeps the arc steady and the efficiency high
Legible control panel with a digital display that makes precise settings easier
Solid build and a high duty cycle for professional use
Technical details
Technology in detail
The heart of the THF 270 MT is an advanced inverter circuit based on IGBT transistors. This technology brings low weight and high efficiency, but above all it allows digital control of the current characteristic. The key innovation is the MICRO WELDING mode, a software optimised TIG process at very low current, which keeps the arc steady and tightly focused. Full control of the AC wave (balance, frequency, shape) and the advanced TIG pulse let you match the parameters exactly to demanding material such as aluminium alloys or thin stainless steel.
Recommended applications
- Precision work in the automotive and aviation industry
- Repair and rebuilding of injection moulds and tooling
- Production and repair of aluminium and stainless steel structures
- Artistic welding and making balustrades
- Work on thin sheet (below 1mm)
- Professional service and production workshops
Control panel
The control panel of the THF 270 MT welder was designed for professionals. A large digital display shows every setting clearly, such as the welding current, the pulse parameters or the AC balance. Clear knobs and buttons allow quick and precise adjustment of every aspect of the welding process. You have full access to the 2T/4T settings, to the gas flow before and after welding and to arc dynamics, which lets you save and repeat the right parameters for a given job.
Product specification
| Feature | Value |
|---|---|
| Power supply | AC 230V / 50Hz |
| Welding methods | TIG AC/DC (HF/Lift), MMA, TIG micro welding |
| Build technology | IGBT inverter |
| Maximum welding current [A] | 270 |
| Duty cycle TIG [%] | 40% for 270A / 60% for 220A |
| Maximum power draw [kVA] | 8.8 |
| Weight [kg] | 19.5 |
What do you get in the set?
- Magnum THF 270 MT MICRO WELDING machine
- Professional TIG welding torch SR26 (4m)
- MMA electrode holder
- Earth cable
- Operating manual in Polish
About the Magnum brand
Magnum is a Polish brand that has been one of the leaders of the welding market since 1996. Its business model rests on supplying technically advanced machines (made in Asia to Polish specifications) at a very competitive price. The strength of the brand is its excellent value for money, a deep offer that forms a complete workshop ecosystem, plus dependable service and a door-to-door warranty, which build customer trust from hobbyists up to professional workshops.
