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Magnum MIG 291 ALU CU Synergia 4x4 MIG/MAG welder
The Magnum MIG 291 ALU CU Synergia is a professional MIG/MAG welder that bridges mobile single phase machines and heavy industrial equipment. Supplied from a 230V mains, it offers strong welding current and carries a professional four roll wire feeder (4x4) that keeps the feed unusually stable and precise. With advanced synergic programs for welding aluminium (ALU) and for braze welding galvanised sheet (CU), this multiprocess MIG machine is a dependable workhorse for demanding car, locksmith and production workshops.
Key features
Professional four roll wire feeder (4x4) for a steady feed
High welding current up to 250A from a single phase 230V supply
Full synergy with dedicated programs for steel, stainless steel, aluminium and CuSi3 braze welding
3-in-1 versatility: MIG/MAG, MMA (covered electrode) and TIG Lift
Gasless welding with self shielded wire (FLUX)
Socket for a Spool Gun torch for precise aluminium welding
Solid build and a high duty cycle meant for professional use
Technical details
Technology in detail
The heart of the MIG 291 is an advanced IGBT inverter board together with a professional four roll wire feed mechanism. The 4x4 feeder moves the wire smoothly and steadily, which is decisive when working with long welding torches (4-5m) and with soft wires such as aluminium wire or braze welding wire. The machine uses full synergic control: once you pick the material type, the gas and the wire diameter, it sets the arc voltage and the feed speed by itself. You adjust a single parameter, which shortens setup time sharply and keeps weld quality high even on complicated jobs.
Recommended applications
- Professional car workshops (body repair, structures, braze welding)
- Locksmith shops and craft firms
- Light and medium steel and aluminium structures
- Assembly work and small batch production
- Agriculture and maintenance
Control panel
The control panel was drawn up for efficiency and easy handling in workshop conditions. It has legible digital displays showing the welding current and the voltage. Dedicated knobs allow precise manual correction of the parameters, and clear buttons give a quick choice of the welding method (MIG/MMA/TIG), of the operating mode (2T/4T) and of the synergic programs. This layout hands full control both to experienced welders and to those who lean on synergy.
Product specification
| Feature | Value |
|---|---|
| Power supply | AC 230V / 50Hz |
| Welding methods | MIG/MAG, MMA, TIG DC Lift, FLUX, Braze welding |
| Build technology | IGBT inverter |
| Maximum welding current [A] | 250 |
| Duty cycle MIG/MAG [%] | 60% for 220A |
| Wire feeder | professional, 4 roll (4x4) |
| Wire spool capacity [kg] | 5 / 15 |
| Weight [kg] | 28 |
What do you get in the set?
- Magnum MIG 291 ALU CU Synergia machine
- Professional MIG/MAG welding torch MB25 (4m)
- MMA electrode holder
- Earth cable
- Feed rolls for steel wire
- 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.













