Description
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TELWIN SUPERIOR TIG 251 DC 400V: Professional TIG Welding Power and Precision for the Discerning. ✨?
TELWIN SUPERIOR TIG 251 DC 400V is an inverter TIG and MMA welder designed for professionals who do not accept compromises. If your daily work requires surgical precision, reliability in the toughest conditions and excellent quality of each weld, this model is the answer to your needs. Imagine welding stainless steel, carbon steel, copper or titanium with unprecedented ease and control, achieving perfectly smooth and durable joints every time.
Thanks to advanced inverter technology and microprocessor control, the SUPERIOR TIG 251 DC offers not only impressive power, but above all a stable and concentrated arc, which is the key to success in the TIG method. Forget about problems with arc ignition or arc instability when welding thin materials or complex geometries. This model is designed to minimize the risk of errors, reduce spatter and thermal distortion, which translates into time and material savings, as well as higher aesthetics of the completed parts.
At TELWIN, we understand that a welder’s job is often a race against time and a battle against a demanding environment. That’s why the SUPERIOR TIG 251 DC features a robust design, a high duty cycle, and numerous safety features to ensure long-lasting, trouble-free operation. Whether you’re working in the workshop, on the shop floor or directly on the assembly floor, this welder will give you the power and versatility you need, allowing you to focus on what matters most – getting the job done perfectly.
Invest in technology that will elevate the quality of your work to a new level. The TELWIN SUPERIOR TIG 251 DC is not just a tool, it’s a partner you can rely on every day for the most challenging welding projects. Experience how advanced TIG features, such as pulse welding, arc dynamics control and precise parameter control, open up new possibilities and allow you to achieve results that will delight your customers and superiors. ??️
Explore the Advanced Capabilities of the TELWIN SUPERIOR TIG 251 DC 400V.
??⚡ Master TIG Arc Control for Perfect Welds.
The TELWIN SUPERIOR TIG 251 DC raises the bar in precision TIG DC welding. Thanks to advanced microprocessor control, the welder gains full power over every aspect of the arc. Features such as TIG PULS and EASY PULS are invaluable when working with thin stainless or carbon steel sheets, minimizing the risk of burn-through and deformation of the material. The ability to fine-tune the pulse frequency and balance allows for a narrower heat-affected zone and deeper fusion, which is crucial in responsible designs.
In addition, Bi-Level functions (the ability to switch between two preset welding current values during operation) and comprehensive adjustment of welding cycle parameters (pre-gas, post-gas, up-slope, down-slope, crater current) allow the welder to customize the process to meet the most specific requirements. Whether you’re welding pipelines, stainless steel parts for the food industry, or precision machine parts, the SUPERIOR TIG 251 DC guarantees the repeatability and highest quality of every millimeter of weld. HF or LIFT arc ignition ensures a clean and reliable start, eliminating problems with tungsten or material contamination.
?️ Reliability and Power for Professional MMA Applications
TELWIN SUPERIOR TIG 251 DC is not only a TIG specialist. It is also a powerful and reliable power source for MMA welding. With a welding current of up to 220A and a high duty cycle, the device copes well with covered electrodes up to 5 mm in diameter, including rutile, alkaline, stainless steel or cast iron. This makes it an extremely versatile tool for any workshop or construction site.
Intelligent MMA welding support functions, such as Arc Force, Hot Start and Anti-Stick, significantly simplify work and improve the quality of connections. Arc Force dynamically adjusts the short-circuit current, preventing arc extinction and ensuring arc stability, even with difficult electrodes. Hot Start increases the current at the moment of ignition, making it easier to start welding, and Anti-Stick reduces the current when an electrode sticks, protecting it from damage and making it easier to detach. This makes even welding in forced positions or working with rusted materials simpler and more efficient.
?️ Design Built for Hard Work and Durability
Professional welding requires equipment that can withstand the hardships of daily, intensive use. The TELWIN SUPERIOR TIG 251 DC is designed for maximum ruggedness and reliability. The rugged IP23-rated metal housing protects internal components from dust and moisture, which is crucial when working in a workshop or outdoor environment.
Internal protection systems, including thermostatic, overvoltage, undervoltage and overload protection, constantly monitor the unit’s operation, protecting it from damage and ensuring user safety. The unit is also designed to be powered by a generator set (with a minimum output of 10 kW), making it an ideal choice for field work. The high duty cycle, achieved through efficient cooling, allows for prolonged welding without fear of overheating. The ability to connect an optional liquid cooler further increases productivity when TIG welding with high currents. It’s an investment that pays off over years of trouble-free operation.
Technical Specifications
| Parameter | Value |
|---|---|
| Full Name | TELWIN SUPERIOR TIG 251 DC 400V |
| Brand | TELWIN |
| Model | SUPERIOR TIG 251 DC |
| Catalog number | 816029 |
| EAN code | 8004897914923 |
| Power supply | 400V AC (3-phase) 50/60Hz |
| DC TIG welding current range | 10 – 250 A |
| MMA DC welding current range | 10 – 220 A |
| TIG duty cycle (at an ambient temperature of 40°C) | 250 A @ 35% ; 180 A @ 60% |
| MMA duty cycle (at an ambient temperature of 40°C) | 220 A @ 35% ; 170 A @ 60% |
| Idling voltage (idle) | 94 V |
| Maximum power input | 6.3 kW (TIG) / 9.2 kW (MMA) |
| Power input (60%) | 4 kW (TIG) / 5.5 kW (MMA) |
| Power factor (cos phi) | 0.8 |
| Minimum power of the generator set | 10 kW |
| MMA covered electrode diameter | 1.6 – 5.0 mm |
| Degree of protection of the housing | IP23 |
| Dimensions (L x W x H) | 430 x 170 x 340 mm |
| Weight | 13.4 kg |
| Compliance with standards | CE, EN 60974-1, EN 60974-10 |
Key Features and Benefits
- ? Advanced Inverter Technology with Microprocessor: At the heart of the machine is a state-of-the-art microprocessor-controlled inverter chip that provides instant response to changes in welding conditions and precise control of arc parameters. For the professional, this means an extremely stable, concentrated arc, minimal spatter, deeper fusion and the ability to weld a wide range of materials with excellent quality. This translates into faster work, fewer rework and welds with excellent mechanical properties.
- ⏱️ TIG Puls Welding (Puls / Easy Puls): The TIG Puls function and simplified Easy Puls mode enable welding of very thin materials (as thin as 0.5 mm) with minimal heat input, significantly reducing distortion and burn-through. The professional gains the ability to create aesthetically pleasing, even welds on heat-sensitive parts, ideal, for example, in the food or decorative industry, as well as better control of the weld pool when welding in forced positions.
- ? Dynamic Arc Occlusion (HF / LIFT): A choice between contactless high frequency (HF) and contact LIFT ignition ensures optimal start of the welding process under all conditions. HF is ideal for clean, precise starts without material contamination, while LIFT is preferred in environments sensitive to electromagnetic interference. It’s a flexibility that guarantees a sure and clean start, saving time and material.
- ⚙️ Comprehensive TIG Parameter Control: The device offers full control over the TIG welding cycle: adjustment of pre-gas and post-gas discharge times, current rise and fall (up-slope, down-slope), final current, as well as advanced features like Bi-Level (two current levels). For the expert, it’s the ability to fine-tune the arc characteristics to the specific task, material and thickness, resulting in optimal weld quality and full control over the process.
- ? MMA Versatility with Auxiliary Functions: In addition to its excellent TIG features, the welder offers efficient MMA welding with covered electrodes (rutile, alkaline, stainless steel, cast iron). The Arc Force (arc dynamics control), Hot Start (easier electrode ignition) and Anti-Stick (preventing electrode sticking) functions greatly simplify the work, even for less experienced welders, providing smooth and stable MMA welding in a variety of conditions.
- ?️ Professional Resistance and Safety: The SUPERIOR TIG 251 DC is built for heavy-duty use in harsh industrial environments. It has numerous thermostatic, overvoltage, undervoltage and overload protections, as well as protection when working with a generator. This is a guarantee of reliability, long life of the device and operational safety, which for the professional means less downtime and certainty of equipment operation.
- ? Preparation for Liquid Cooling (Optional): The unit is prepared for use with an optional liquid cooler (e.g. Telwin G.R.A.), which allows the use of cooled TIG holders for prolonged high-current welding. This solution significantly increases working comfort and productivity in intensive tasks, protecting the handle from overheating and extending its life.
Product Application
- ? Production and installation of carbon and stainless steel structures
- ? Precision welding of pipelines in the chemical, food and energy industries
- ? Repairs and reconditioning of machine parts and equipment
- ⚙️ Advanced locksmith and workshop work requiring high quality welds
- ?️ Maintenance and upkeep in industrial plants
- ? Shipbuilding industry (stainless steel components, special)
- ? Welding of thin sheet metal (e.g., in the ventilation, catering industry)
- ? Automotive components (e.g., stainless steel exhaust systems, structural details)
Contents of the Kit
- ? TELWIN SUPERIOR TIG 251 DC 400V welder (816029)
- ?️ TIG welding chuck (e.g. ST26 or similar, length usually 4m – *the exact model and length may depend on the distributor’s current offering*)
- ? Ground wire with clamp
- ? Gas line
- ? Operating instructions and warranty card
- (Note: The kit does not include consumables such as tungsten electrodes, covered electrodes, TIG welding wire, or shielding gas cylinder and pressure regulator, unless otherwise stated in the offer.)*.
Summary: TELWIN SUPERIOR TIG 251 DC 400V – Your Best Investment.
TELWIN SUPERIOR TIG 251 DC 400V is synonymous with professionalism in TIG and MMA welding. If you expect the highest quality welds, reliability in all conditions and precise control over the process, this model is made for you. Advanced features, robust construction and the reputation of the TELWIN brand are a guarantee of satisfaction and excellent results. Invest in equipment that will meet your boldest expectations and allow you to complete world-class projects. Contact us today to learn more and join the ranks of professionals who choose TELWIN! ?
Part number: 816029
EAN code: 8004897914923
