Description
We are the official distributor of TELWIN brand. We guarantee the originality of the product, professional advice and service support.
TELWIN MASTERMIG 275i 400V: Inverter Power and Precision Welding for Professionals. ✨?
Meet the TELWIN MASTERMIG 275i 400V – a professional inverter MIG/MAG welder that is revolutionizing the approach to welding in fabrication, construction and repair shops. Developed by TELWIN’s Italian engineers, this machine combines powerful power, advanced technology and legendary reliability to meet the highest demands of professionals looking for uncompromising quality and performance. If you face daily welding challenges where every detail counts and time is money, the MASTERMIG 275i will become your indispensable partner.
Imagine welding without the frustrations of an unstable arc, limited material versatility or overheating at the least opportune moment. The TELWIN MASTERMIG 275i solves these problems with modern inverter technology. It not only provides a perfectly stable and easy-to-control welding arc, but also significantly reduces energy consumption compared to traditional transformer welders. That’s real savings and a step toward greener operation, without losing even a gram of power.
The MASTERMIG 275i is synonymous with versatility. Whether you’re working with structural steel, stainless steel or aluminum, this welder delivers optimum performance for any job. Precise adjustment of welding current and arc voltage allows you to perfectly match the welding characteristics to the type and thickness of the material, guaranteeing welds of the highest quality – strong, aesthetic and free of defects. This is an investment that translates directly into the quality of your work and customer satisfaction.
The intuitive control panel, despite its advanced capabilities, was designed with the welder in mind. Quick and easy parameter setting allows you to focus on what matters most – perfect weld performance. Robust construction, an efficient cooling system and a professional two-roll (or four-roll, depending on the specific model – here we assume a solid feeder) wire feeder ensure long and trouble-free operation, even in harsh industrial conditions. TELWIN MASTERMIG 275i is not just a tool, it’s a partner you can rely on.
Whether you run a professional welding shop, manufacture steel structures, or are a discerning hobbyist tackling challenging projects, the TELWIN MASTERMIG 275i 400V will deliver the power, precision and reliability you need to ensure your welds are always at a masterful level. ??️
Explore the Advanced Capabilities of TELWIN MASTERMIG 275i 400V
⚡️ **Inverter Power: Arc Dynamics and Stability at the Highest Level**.
At the heart of the TELWIN MASTERMIG 275i welder is advanced inverter technology, which is a real breakthrough compared to traditional transformer equipment. Thanks to it, the welding arc is not only extremely stable, but also has excellent dynamics. This means a faster response to changes in arc length or unevenness of the material, which translates into an easier welding process and much less spatter.
This technology allows precise shaping of current-voltage characteristics, which is crucial when welding demanding materials such as high-alloy steels and aluminum. Microprocessor control of welding parameters in real time ensures optimal conditions for any type of wire and shielding gas. For the professional, this guarantees smooth, even welds with excellent fusion, while minimizing the need for post-processing. An additional benefit is the significant reduction in electricity consumption and the lighter weight of the machine, which makes it easier to move it around the workshop.
??⚙️ **Intuitive Control for the Professional: Precision at Your Fingertips**.
The TELWIN MASTERMIG 275i control panel is designed for maximum functionality and ease of use, even for advanced functions. Easy-to-read dials and indicators allow quick and precise adjustment of key welding parameters, such as welding current (wire feed speed) and arc voltage. Some Telwin models can also offer inductance adjustment, which allows control of the fluidity of the weld pool and the depth of fusion, giving the welder an additional tool to “sculpt” the perfect weld.
Despite the lack of an extensive LCD display with full synergy (depending on the exact model version – the 275i focuses on power and reliability), the classic analog control is valued by many experienced welders for its reliability and immediacy. The ability to quickly change polarity expands the range of applications to include welding with FLUX self-consuming wires. All this makes the MASTERMIG 275i a tool that adapts to the operator’s skills and preferences, rather than the other way around, allowing full focus on the precision of the job at hand.
?️? **Built for Intensive Work: Telwin Reliability and Durability**.
TELWIN MASTERMIG 275i is a device designed for use in demanding industrial and workshop conditions. The robust metal housing protects the internal components from mechanical damage, dust and moisture (according to the IP23 protection class). A powerful fan and optimized cooling system ensure that key components maintain optimal operating temperatures, resulting in high duty cycles and minimizing the risk of overheating even during prolonged welding at maximum power.
A key element affecting reliability is a professional wire feeder. Depending on the configuration, it can be a robust 2-roller or an even more advanced 4-roller mechanism, guaranteeing smooth and precise wire feeding, which is essential for arc stability and weld quality, especially when using aluminum wires or long welding chucks. The device is also equipped with comprehensive thermal, overload and surge protections that protect it from failures and ensure long, trouble-free operation.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | TELWIN |
| Model | MASTERMIG 275i 400V |
| Catalog number | 816218 |
| EAN code | 8056590379844 |
| Supply voltage | 3-phase 400V AC (50/60Hz) |
| Maximum welding current (duty cycle 20% at 40°C) | 270 A |
| Welding current (duty cycle 35% at 40°C) | 240 A |
| Welding current (duty cycle 60% at 40°C) | 170 A |
| Idle state voltage | 74 V |
| Welding current adjustment range | 20 – 270 A |
| Steel wire diameter | 0.6 – 1.2 mm |
| Wire diameter for stainless steel | 0.8 – 1.0 mm |
| Diameter of aluminum wire (with appropriate tooling) | 0.8 – 1.0 mm |
| Diameter of self bonded core wire (FLUX) | 0.9 – 1.2 mm |
| Maximum power consumption | 10 kW |
| Power consumption at 60% operation | 4.5 kW |
| Power factor (cos φ) | 0.8 |
| Efficiency (η) | 86% |
| Degree of protection of the housing | IP23 |
| Dimensions (Length x Width x Height) | 800 x 450 x 740 mm |
| Weight of the device | 29 kg |
| Number of feeder rolls | 2 (standard, may be 4R option for some versions) |
| Maximum wire spool size | 15 kg (D300) |
Key Features and Benefits
- ? State-of-the-art Telwin Inverter Technology: At the heart of the MASTERMIG 275i is an advanced inverter circuit that guarantees excellent arc dynamics, its stability regardless of fluctuations in line voltage, and precise control over the welding process. This technology ensures lower energy consumption (by up to 30% compared to transformer counterparts), significantly lower weight of the device for easy mobility, and the ability to weld a wide range of materials with excellent results. For the professional, this means higher weld quality, fewer spatters, easier arc ignition and savings in operating costs.
- ? Precise Adjustment and Repeatability of Parameters: The unit offers infinite, precise adjustment of welding current and arc voltage, allowing the welder full control over the weld pool. The easy-to-read control panel allows quick and intuitive setting of optimal values, which is crucial when welding a variety of materials and thicknesses. For the expert, this is a guarantee of parameter repeatability in series production and the ability to perfectly adjust the arc characteristics to the specific requirements of the joint, resulting in welds of the highest quality and strength.
- ? MIG/MAG and FLUX Welding Versatility: The MASTERMIG 275i is designed for MIG/MAG welding with gas-shielded solid wires (steel, stainless steel, aluminum) and self-shielded flux cored wires (FLUX), eliminating the need for gas cylinders in some applications. The ability to change polarity allows optimal welding with self-cored wires. The professional gains a single, versatile tool for a wide range of work – from precision repairs to solid construction, minimizing the need for multiple pieces of equipment.
- ?️ Advanced Safety Systems: The welder is equipped with a number of protections, including thermal, overload, over-voltage and undervoltage. These protect the device’s key components from damage, even during heavy use in harsh industrial environments. For the user, this means greater reliability, longer welder life and safe operation, minimizing the risk of downtime and costly repairs.
- ⚙️ Robust Construction and Professional Wire Feeder: The MASTERMIG 275i features a rugged housing that is resistant to mechanical damage and workshop conditions. A key component is the precise and reliable wire feeder (2-roll as standard, with a 4-roll option for even better feeding stability, especially with long holders and aluminum wires), which ensures smooth and stable delivery of welding wire to the holder. For the welder, this means working comfort, fewer problems with wire jamming and a guarantee of a stable arc, which is the foundation of high-quality welds.
- ? High Duty Cycle for Maximum Productivity: Thanks to its efficient cooling system and inverter technology, the MASTERMIG 275i offers a high duty cycle (e.g., 240A at 35%, 170A at 60%) for prolonged welding without the risk of overheating. This is a key parameter for professionals working on large projects and continuous operation. This means fewer process interruptions, higher efficiency and faster task completion, which directly affects the profitability of the work.
Product Application
- ? Manufacturing and assembly of medium-sized steel structures
- ? Advanced automotive repairs and modifications (body, frame)
- ?️ Locksmith workshops and craftsmen carrying out orders with high quality requirements
- ? Maintenance departments in industrial plants (repair of machinery and equipment)
- ?️ Welding work in the production of agricultural and construction machinery
- 船舶 Shipbuilding (small and medium components).
- ? Welding of stainless steel in catering, chemical industry (with appropriate wire and gas)
- ?? Aluminum welding (with proper tooling like Teflon cartridge and special rollers)
Contents of the Kit
- ? TELWIN MASTERMIG 275i 400V inverter welder (cat. no. 816218)
- ?️ Professional MIG/MAG welding chuck (e.g. MT25 or MT36 type, 3-4m length).
- ? Ground wire with sturdy tick clamp
- ? Hose for shielding gas connection
- ⚙️ Wire feeder roll(s) (e.g., for 0.8 – 1.0 mm steel wire)
- ? User manual in Polish and warranty card
- (Note: The kit may not include the gas regulator, welding wire, and gas cylinder – these items are purchased separately as needed).
Summary: TELWIN MASTERMIG 275i 400V – Your Best Investment.
The TELWIN MASTERMIG 275i 400V is more than a welder – it’s your partner in the pursuit of welding perfection. With a combination of impressive inverter power, precise parameter control and legendary TELWIN reliability, you get a tool that can handle the toughest challenges. Improve the quality of your welds, increase productivity and enjoy trouble-free operation for years to come.
Don’t compromise when it comes to the quality of your work. Choose the TELWIN MASTERMIG 275i 400V and join the ranks of professionals who trust in Italian engineering. Contact us today to learn more and invest in the future of your workshop! ?
Part number: 816218
EAN code: 8056590379844
