{"id":38762,"date":"2025-11-05T13:18:17","date_gmt":"2025-11-05T12:18:17","guid":{"rendered":"https:\/\/spawlab.pl\/produkt\/telwin-superior-tig-421-dc-400v-816068\/"},"modified":"2025-11-05T13:18:17","modified_gmt":"2025-11-05T12:18:17","slug":"telwin-superior-tig-421-dc-400v-816068","status":"publish","type":"product","link":"https:\/\/spawlab.pl\/en\/produkt\/telwin-superior-tig-421-dc-400v-816068\/","title":{"rendered":"TELWIN SUPERIOR TIG 421 DC 400V 816068"},"content":{"rendered":"
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We are the official distributor of TELWIN brand<\/strong>. We guarantee the originality of the product, professional advice and service support. <\/p>\n<\/div>\n

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TELWIN SUPERIOR TIG 421 DC 400V: The Master Precision and Power of TIG Welding for Professionals! \u2728? <\/h2>\n
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Meet the TELWIN SUPERIOR TIG 421 DC 400V – an inverter welding source designed for the most demanding professionals, for whom uncompromising quality, reliability and full control over every aspect of the welding process are important. If your daily work includes direct current (DC) TIG welding of unalloyed steels, low-alloy steels, stainless steel, copper, nickel, titanium and their alloys, as well as MMA welding with covered electrodes, this model is the answer to your needs. Forget about equipment limitations and focus on perfection of workmanship. <\/p>\n

The TELWIN SUPERIOR TIG 421 DC is not just a powerful tool, but an intelligent partner for your work. The advanced microprocessor control guarantees instant response to changes in welding conditions, keeping the arc stable and focused, even on the most complex tasks. With this device, you’ll easily achieve welds with perfect geometry, deep penetration and an aesthetically pleasing face, while minimizing finishing time. This directly translates into your productivity and project profitability. <\/p>\n

Imagine a job where every arc strike is sure and clean, where current pulsation allows you to precisely control the amount of heat input when welding thin materials or responsible structures, and where extensive TIG functions allow you to tailor welding characteristics to the specific job. The SUPERIOR TIG 421 DC model offers all this and more, including a choice of HF (non-contact) or LIFT (contact) ignition, adjustable arc dynamics, and a full set of features for MMA, such as Arc Force, Hot Start and Anti-Stick. <\/p>\n

Ruggedly built for use in harsh industrial and shop environments, combined with a high duty cycle, ensures continuous performance even during intensive tasks. TELWIN SUPERIOR TIG 421 DC is an investment in quality that quickly pays for itself, allowing you to tackle your most challenging welding projects with the confidence and precision worthy of a champion. Join the ranks of professionals who trust Telwin technology and raise the standards of your work. ??\ufe0f <\/p>\n<\/div>\n<\/div>\n

Explore the Advanced Capabilities of the TELWIN SUPERIOR TIG 421 DC 400V.<\/h3>\n
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\n? TIG Precision at the Highest Level: Controlling Every Detail<\/summary>\n
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The TELWIN SUPERIOR TIG 421 DC redefines the concept of precision in TIG welding. At the heart of the device is an advanced microprocessor that monitors and corrects arc parameters in real time, ensuring unparalleled arc stability. Functions such as Slope-Up and Slope-Down current adjustment<\/strong> allow for perfect start and finish of the weld, eliminating defects such as craters or edge burn-through. In addition, precise regulation of the pre-flow and post-flow of shielding gas<\/strong> guarantees optimum protection of the weld pool and tungsten electrode, which is crucial for clean and durable joints, especially when welding reactive materials like titanium or stainless steels. <\/p>\n

Spot Welding<\/strong> mode with adjustable duration allows for fast and repeatable tacking or short welds, greatly speeding up assembly work. A choice of HF (non-contact) or LIFT (contact by rubbing) ignition<\/strong> gives flexibility in a variety of working environments – HF provides a clean ignition without electrode contamination, while LIFT is ideal where electromagnetic interference must be minimized. Each of these features is designed to give the professional full control over the process and enable perfect results every time. <\/p>\n<\/div>\n<\/details>\n

\npulsing_heart: TIG Puls – The Secret to Perfect Welds in All Conditions<\/summary>\n
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The TIG Puls<\/strong> function of the TELWIN SUPERIOR TIG 421 DC welder is a powerful tool in the hands of an experienced welder, opening up new possibilities for controlling the welding process. With the ability to precisely adjust the pulse frequency, base current, peak current and fill factor (pulse balance)<\/strong>, the user can accurately manage the amount of heat introduced into the material. This is invaluable for welding thin sheet metal<\/strong>, where it minimizes the risk of distortion and burn-through, as well as for joining materials of different thicknesses. <\/p>\n

Pulsed TIG welding achieves a narrower heat-affected zone (SWC)<\/strong>, which translates into lower internal stresses in the weld and parent material, and thus higher joint life. In addition, pulsation makes it easier to control the weld pool, especially in forced positions (e.g., ceiling, wall)<\/strong>, enabling welds with excellent geometry and deep penetration. The aesthetics of a pulsed-current weld, with a distinctive, regular scale pattern, are often desirable in applications where appearance matters. For the professional, this means the ability to take on more complex and demanding welding tasks with a guarantee of superior quality. <\/p>\n<\/div>\n<\/details>\n

\n? Reliability and Performance for Industry: Built to Work Hard<\/summary>\n
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The TELWIN SUPERIOR TIG 421 DC is designed for heavy-duty use in industrial environments. The 400V three-phase power supply<\/strong> ensures stable operation and the ability to achieve the high welding currents required when joining thicker parts. A key parameter for professionals is the high duty cycle<\/strong>, which on this model is 400A at 40% for TIG and 320A at 60%, meaning the unit can operate for long periods without cooling breaks, even at maximum loads. This directly translates into greater productivity and efficiency<\/strong> on the welding bench. <\/p>\n

The rugged IP23-rated<\/strong> metal housing attests to its suitability for harsh workshop and construction environments, protecting sensitive electronic components from dust and water droplets. Internal thermostatic, overvoltage and undervoltage protections<\/strong> protect the welder from damage resulting from network instability or overheating. The ability to connect a dedicated liquid cooler (e.g. Telwin G.R.A.)<\/strong> is key when TIG welding with high currents, ensuring optimal cooling of the handle and extending its life. All this makes the SUPERIOR TIG 421 DC a reliable workhorse that can be relied on for the most demanding projects. <\/p>\n<\/div>\n<\/details>\n<\/div>\n

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Technical Specifications<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Supply voltage<\/td>\n400V (3 phases)<\/td>\n<\/tr>\n
Network protection<\/td>\n16 A<\/td>\n<\/tr>\n
DC TIG welding current range<\/td>\n5 – 400 A<\/td>\n<\/tr>\n
MMA welding current range<\/td>\n10 – 400 A<\/td>\n<\/tr>\n
TIG duty cycle (EN60974-1 at 40\u00b0C)<\/td>\n400 A @ 40% ; 320 A @ 60%<\/td>\n<\/tr>\n
MMA duty cycle (EN60974-1 at 40\u00b0C)<\/td>\n400 A @ 35% ; 300 A @ 60%<\/td>\n<\/tr>\n
Idling voltage<\/td>\n64 V<\/td>\n<\/tr>\n
Maximum power consumption<\/td>\n13.6 kW (TIG) \/ 16.6 kW (MMA)<\/td>\n<\/tr>\n
Power factor (cos phi)<\/td>\n0.9<\/td>\n<\/tr>\n
TIG electrode diameter<\/td>\n1.0 – 4.0 mm<\/td>\n<\/tr>\n
MMA electrode diameter<\/td>\n1.6 – 6.0 mm<\/td>\n<\/tr>\n
Operating modes<\/td>\n2-takt \/ 4-takt \/ 4-takt Bi-Level<\/td>\n<\/tr>\n
TIG arc ignition<\/td>\nHF (non-contact) \/ LIFT (contact)<\/td>\n<\/tr>\n
TIG functions<\/td>\nTIG pulse (adjustment of frequency, base current, peak current, fill factor), adjustment of start\/end current, current rise\/fall time, pre\/post gas flow, spot welding<\/td>\n<\/tr>\n
MMA functions<\/td>\nArc Force (adjustable), Hot Start (adjustable), Anti-Stick<\/td>\n<\/tr>\n
Possibility to connect a remote control<\/td>\nYes<\/td>\n<\/tr>\n
Possibility of connecting a cooler<\/td>\nYes (recommended for high currents and prolonged operation)<\/td>\n<\/tr>\n
Protection class<\/td>\nIP23<\/td>\n<\/tr>\n
Dimensions (L x H x W)<\/td>\n530 x 240 x 450 mm<\/td>\n<\/tr>\n
Weight<\/td>\n28.2 kg<\/td>\n<\/tr>\n
Catalog number<\/td>\n816068<\/td>\n<\/tr>\n
EAN code<\/td>\n8004897997667<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Key Features and Benefits<\/h3>\n
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  • ? Advanced TIG Arc Occlusion (HF\/LIFT) and Stabilization:<\/strong> The unit offers two arc ignition modes: contactless high frequency (HF), ideal for precision work where tungsten contamination of the weld material is unacceptable, and contact LIFT, preferred in environments sensitive to electromagnetic interference. Microprocessor control ensures immediate and stable ignition and maintains an arc with optimal characteristics throughout the welding cycle. For the professional, this means a clean and confident start to each weld, less risk of welding defects, and the ability to work in a wide variety of conditions without compromising the quality of the joint. <\/li>\n
  • ? Versatile TIG Puls with Full Control:<\/strong> The TIG pulse welding function allows precise control over the amount of heat input into the material. The user can adjust the pulse frequency, base current, peak current and pulse fill factor. This is crucial when welding thin sheet metal (minimizing distortion and burn-through), overheat-sensitive materials, and challenging welds in forced positions where control of the weld pool is critical. The result is better fusion, a narrower heat affected zone, excellent weld face aesthetics and stress reduction. <\/li>\n
  • ? Powerful Performance and High Duty Cycle:<\/strong> With its 400V three-phase power supply and advanced inverter technology, the SUPERIOR TIG 421 DC delivers up to 400A welding current with an impressive duty cycle (400A at 40% for TIG). This means the ability to work for long, uninterrupted periods at high loads, which is essential for industrial, manufacturing and large project applications. The professional gains confidence that the device can handle intensive tasks without the risk of overheating or performance degradation. <\/li>\n
  • \u2699\ufe0f Smart Features for MMA Method:<\/strong> In addition to excellent TIG performance, the welder offers full support for the MMA method. The Hot Start<\/strong> function facilitates electrode ignition by momentarily increasing the current at the start of welding. Arc Force<\/strong> dynamically adjusts the arc current, preventing arc extinction and making it easier to weld in difficult positions and with problematic electrodes. Anti-Stick<\/strong> prevents the electrode from sticking to the material, protecting it from damage. For the welder, this means more flexibility, easier work and higher quality MMA welds. <\/li>\n
  • ?\ufe0f Advanced Control Panel and Operating Modes:<\/strong> An intuitive control panel with digital display allows precise setting of all welding parameters. The available operating modes (2-takt, 4-takt, 4-takt Bi-Level) allow you to optimize the process depending on the type of task and welder preference. The 4-takt mode reduces fatigue in long welds, while Bi-Level allows switching between two current levels during welding. This provides comfort, control and the ability to customize the machine to suit individual work styles. <\/li>\n
  • ?\ufe0f Robust Design and Safety Features:<\/strong> The welder is designed for use in demanding industrial environments. The rugged housing (IP23) protects internal components from dust and moisture. The device is equipped with a number of thermostatic, overvoltage and undervoltage protections, which guarantees its long and trouble-free operation. For the user, this means certainty of investment and reliability of the equipment even in the harsh environment of a workshop or construction site. <\/li>\n<\/ul>\n<\/div>\n
    \n

    Product Application<\/h3>\n
      \n
    • ? Heavy industry and manufacturing: welding of steel structures, machinery, equipment.<\/li>\n
    • ?\ufe0f Maintenance and repair: remanufacturing of parts, repair of machinery in industrial plants.<\/li>\n
    • Pipelines\ufe0f Pipeline construction: welding of carbon and stainless steel pipes in the chemical, petrochemical, food industries.<\/li>\n
    • ? Shipbuilding: assembly and repair of ship components.<\/li>\n
    • ? Food and pharmaceutical industry: welding of tanks, stainless steel installations.<\/li>\n
    • ?\ufe0f Locksmithing and specialized workshops: production of balustrades, gates, acid-resistant steel elements.<\/li>\n
    • ? Ventilation and air conditioning systems: joining stainless steel ducts and components.<\/li>\n
    • \u2699\ufe0f Work requiring high quality and aesthetic TIG weld.<\/li>\n<\/ul>\n<\/div>\n
      \n

      Contents of the Kit<\/h3>\n
        \n
      • ? TELWIN SUPERIOR TIG 421 DC 400V welder (816068)<\/li>\n
      • ?\ufe0f TIG welding chuck (type and length may depend on configuration – often SR18 or SR26, may be liquid-cooled if it is a radiator version) – *please verify with your supplier the exact chuck model included*.<\/li>\n
      • Ground cable with clamp<\/li>\n
      • ? User Manual<\/li>\n
      • (Note: The kit may not include a gas regulator, TIG consumables like tungsten electrodes, ceramic nozzles, bushings. The cooler is usually an optional accessory unless otherwise noted).<\/li>\n<\/ul>\n<\/div>\n
        \n

        Summary: TELWIN SUPERIOR TIG 421 DC 400V – Your Best Investment.<\/h3>\n
        \n

        The TELWIN SUPERIOR TIG 421 DC 400V is the undisputed leader in its class, offering professionals unparalleled power, precision and versatility in TIG DC and MMA welding. Advanced features such as TIG Puls, intelligent arc ignition and high duty cycle guarantee the highest weld quality and efficiency even in the toughest conditions. This is a reliable tool that will meet any challenge, allowing you to complete projects faster, better and with greater confidence. Invest in technology that will elevate your skills to a master level. Choose TELWIN SUPERIOR TIG 421 DC and feel the difference! Contact us or your authorized Telwin distributor to learn more and experience the power of precision! ?<\/p>\n<\/div>\n<\/div>\n

        \n

        Part number:<\/strong> 816068<\/p>\n

        EAN code:<\/strong> 8004897997667<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

        TELWIN SUPERIOR TIG 421 DC: Professional 400A (400V) TIG welder with pulse and HF. Unmatched precision and performance welding stainless steel and other metals for industry. ?<\/p>\n","protected":false},"featured_media":34222,"template":"","meta":{"inline_featured_image":false},"product_brand":[],"product_cat":[8753,5686,474,507,505,495],"product_tag":[8622,8621,6973,5368,4979,4837,4554,3474,3473,3471,3444,3437],"class_list":["post-38762","product","type-product","status-publish","has-post-thumbnail","product_cat-telwin-en","product_cat-brand-zone","product_cat-new","product_cat-tig-en-2","product_cat-dc-en","product_cat-gas-cooled-en-4","product_tag-telwin-816068-en","product_tag-superior-tig-421-dc-en","product_tag-telwin-en","product_tag-professional-welding-en","product_tag-dc-tig","product_tag-tig-puls-en","product_tag-400v-en","product_tag-tig-welder","product_tag-stainless-steel-welding","product_tag-inverter-welder","product_tag-mma-welding","product_tag-welding-equipment","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"\nTELWIN SUPERIOR TIG 421 DC 400V 816068<\/title>\n<meta name=\"description\" content=\"Discover TELWIN SUPERIOR TIG 421 DC (400V) - DC TIG welding power and precision for professionals. 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