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The Telwin Mastermig 275i 400 V wire welder is a three-phase multiprocess inverter machine capable of continuous wire, coated electrode and LIFT-start TIG welding on a wide range of materials such as steel, stainless steel, high-strength steels, aluminium and galvanised sheet. It features a dynamic display for showing the set values, synergic arc control and a 2/4-stroke cycle for MIG/MAG welding.
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The Mastermig 275i 400 V is a three-phase inverter welder that combines powerful performance of up to 250 A, a wide adjustment range and advanced protections to allow stable and controlled welding in a professional environment. The front panel with dynamic display lets you set and monitor voltage, current and wire speed in real time, while the electronic reactance control optimises the arc in MIG/MAG mode. The synergic Arc Force and Hot Start functions improve arc starting and penetration in different materials, and the anti-stick system reduces electrode sticking in MMA welding. The robust design and dedicated ventilation protect the internal components from dust and dirt, ensuring reliability and durability in intensive use.
MAIN FEATURES:
– Multiple welding processes: supports MIG‑MAG (2/4-stroke) with reactance adjustment, FLUX/BRAZING, MMA electrode with synergic Arc Force and Hot Start and TIG DC‑LIFT with current and voltage shown on the display.
– Dynamic digital display: shows current, voltage and wire speed values in real time, making adjustment, monitoring and control during welding easier.
– Welding current range: adjustable from 20 A up to 250 A, with duty cycle compliant with EN 60974‑1 (% indicated according to conditions of use).
– Welding wire compatibility: steel wire 0,6‑1.2 mm, stainless 0,8‑1.0 mm, aluminium 0,8‑1.0 mm and flux-cored/brazing wire 0,8‑1.2 mm, offering wide material flexibility.
– Usable electrodes (MMA): supports electrodes from 1.6 mm up to 5 mm in diameter with synergic Arc Force and Hot Start adjustment.
– Built-in protections: includes thermostatic, overvoltage (+15 %), undervoltage (‑25 %), overcurrent and generator protection, for safe operation even with generating sets and variable mains conditions.
– Structure and ventilation: robust construction, resistant to impact and dust, with a dedicated ventilation system to protect the electronic components from dirt and debris.
– Professional design: IP22 protection rating, compact size and manageable weight for a high-power machine, suitable for intensive use.
APPLICATIONS:
This welder is suitable for metal fabrication, industrial maintenance, installations, bodywork and light structures, offering the ability to switch easily between different welding techniques without compromising performance.
Specific References
The Telwin 801097 TIG Welding Kit is a complete TIG accessory kit designed for TIG welding with suitable inverter or multiprocess welders, providing everything needed to start working with argon gas and achieve clean welds on steel and stainless steel. This kit is ideal as an add-on to the Telwin MIG 131 MULTI 8300838 to extend its capabilities to TIG welding (scratch start), making the machine more versatile for professional and maintenance work.
The Telwin Bimax 150i Synergic is a compact and versatile multiprocess inverter welder, designed for MIG‑MAG, FLUX (no gas) and MMA welding in direct current (DC), with synergic parameter adjustment that makes it easy to use even for less experienced operators and ensures consistent results on steel, stainless steel and flux-cored wire.
The Telwin Electromig 400 Synergic 230/400 V wire welder is a multiprocess machine that combines MIG‑MAG, FLUX/BRAZING, MMA and TIG DC‑Lift functions with a 4-roller wire feed unit and One Touch synergic adjustment to make setting the welding parameters easier, offering high performance, a stable arc and great adaptability to different working conditions.
The Stayer MIG 131 MULTI is a compact inverter welder powered at 230 V, combining MIG welding with gasless flux-cored wire (Flux Core), MMA with coated electrodes and TIG with lift-start (LIFT), offering simple and intuitive adjustment of current and wire speed via analogue controls.
The Telwin Technomig 225 is a compact and powerful wire welder, designed for MIG/MAG welding on steel, stainless steel and ferrous alloys, suitable for workshops and professional maintenance, with simple adjustment of wire speed and current.
The Telwin Mastermig 400 380 V wire welder is a three-phase multiprocess unit that combines power and reliability for MIG‑MAG/FLUX/BRAZING welding, with a current range of up to 400 A and extensive arc voltage adjustments. The machine comes complete with welding accessories and is designed for professional use in workshops, metalwork shops, industrial maintenance and medium-to-heavy fabrication.
The Telwin Mastermig 270/2 380 V is a professional continuous wire MIG‑MAG/BRAZING welder with 230/400 V three-phase power supply, designed for gas-shielded welding on steels, stainless steel, high-strength steels and aluminium. Fitted with electronic spot welding time adjustment and 10 current adjustment positions, this unit offers precise arc control and versatility in industrial and workshop use.
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