{"product_id":"telwin-supertig-280-1-ac-dc-250a-tig-mma-welding-machine-with-hf-lift-ignition-and-water-cooling-400v-tel-833017","title":"Telwin Supertig 280\/1 AC\/DC 250A TIG \u0026 MMA Welding Machine with HF\/Lift Ignition and Water Cooling 400V - TEL-833017","description":"\u003cp\u003e\u003cstrong\u003eThe Telwin Supertig 280\/1 AC\/DC TIG \u0026amp; MMA Welding Machine with HF\/Lift Ignition and Water Cooling (TEL-833017)\u003c\/strong\u003e is a professional thyristor-controlled AC\/DC TIG and MMA welding machine delivering up to 250A in both AC and DC modes from a 400V two-phase power supply. Supporting TIG welding with selectable High Frequency or Lift-Arc ignition, 2-stroke and 4-stroke operating modes, and adjustable parameters including initial current, pre-gas, post-gas, current downslope, and AC balance, it is engineered for precision TIG fabrication of aluminium, stainless steel, mild steel, titanium, copper, and nickel alloys. With integrated water cooling, MMA capability for rutile, basic, stainless steel, and cast iron electrodes, optional Pulse TIG via an optional device, and remote-control connection, it is a comprehensive professional TIG welding solution for the most demanding precision fabrication applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC \u0026amp; DC TIG Welding\u003c\/strong\u003e — Selectable AC and DC TIG output for welding aluminium (AC) and stainless steel, mild steel, titanium, copper, and nickel alloys (DC) in a single machine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHF \u0026amp; Lift-Arc TIG Ignition\u003c\/strong\u003e — Selectable High Frequency (HF) and Lift-Arc ignition for clean, reliable arc starts across all TIG applications and material types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e250A AC \u0026amp; DC Output at 30% Duty Cycle\u003c\/strong\u003e — Full 250A rated output in both AC and DC modes, with 170A AC and 180A DC at 60% duty cycle for extended TIG welding sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Stroke \u0026amp; 4-Stroke TIG Modes\u003c\/strong\u003e — Selectable 2T and 4T trigger modes for operator comfort during short tacks and extended seam welding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable TIG Parameters\u003c\/strong\u003e — Full control over initial current, pre-gas, post-gas, current downslope, and AC balance for precise weld quality optimisation across all materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Balance Control\u003c\/strong\u003e — Adjustable AC balance for optimising oxide cleaning action and electrode life when TIG welding aluminium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Water Cooling\u003c\/strong\u003e — Built-in water cooling system for sustained high-current TIG welding with water-cooled torches without an external cooler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Pulse TIG\u003c\/strong\u003e — Pulse TIG capability available with an optional TIG Pulse Device for improved heat control and weld quality on thin materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMMA Welding Mode\u003c\/strong\u003e — Supports MMA welding with rutile, basic, stainless steel, and cast iron electrodes for versatility beyond TIG applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote-Control Connection\u003c\/strong\u003e — Remote control socket for convenient current adjustment from the welding position.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Thyristor-Controlled TIG and MMA Welding Machine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelding Processes:\u003c\/strong\u003e TIG and MMA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelding Current Types:\u003c\/strong\u003e AC and DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTIG Ignition:\u003c\/strong\u003e High Frequency or Lift Arc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMains Voltage:\u003c\/strong\u003e 400V, Two Phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMains Frequency:\u003c\/strong\u003e 50\/60Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Welding-Current Range:\u003c\/strong\u003e 15–250A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Welding-Current Range:\u003c\/strong\u003e 15–250A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Rated AC Output:\u003c\/strong\u003e 250A at 30% Duty Cycle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Rated DC Output:\u003c\/strong\u003e 250A at 30% Duty Cycle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Output at 60% Duty Cycle:\u003c\/strong\u003e 170A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Output at 60% Duty Cycle:\u003c\/strong\u003e 180A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum No-Load Voltage in AC:\u003c\/strong\u003e 73V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum No-Load Voltage in DC:\u003c\/strong\u003e 105V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsorbed Power at 60%:\u003c\/strong\u003e 6.1kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Absorbed Power:\u003c\/strong\u003e 10.5kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Factor:\u003c\/strong\u003e 0.4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTIG Operating Modes:\u003c\/strong\u003e 2-Stroke and 4-Stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable TIG Parameters:\u003c\/strong\u003e Initial Current, Pre-Gas, Post-Gas, Current Downslope and AC Balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMMA Electrode Types:\u003c\/strong\u003e Rutile, Basic, Stainless Steel and Cast Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulse TIG:\u003c\/strong\u003e Available with Optional TIG Pulse Device\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote-Control Connection:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling System:\u003c\/strong\u003e Integrated Water Cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Protection:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Class:\u003c\/strong\u003e H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP22\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 96 × 64 × 82cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 113kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Telwin Supertig 280\/1 AC\/DC is a professional thyristor-controlled AC\/DC TIG and MMA welding machine that combines HF and Lift-Arc ignition, integrated water cooling, full TIG parameter control, and optional Pulse TIG in a comprehensive precision welding system. Its AC\/DC capability, 250A output, and adjustable AC balance make it the definitive choice for professional TIG fabrication of aluminium, stainless steel, titanium, copper, and nickel alloys. A flagship precision TIG welding solution built to Telwin's exacting professional standards.\u003c\/p\u003e","brand":"Telwin","offers":[{"title":"Default Title","offer_id":44198221119622,"sku":"TEL-833017","price":71200.0,"currency_code":"GHS","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0115\/4872\/1218\/files\/telwin-telwin-supertig-280-1-ac-dc-250a-tig-mma-welding-machine-with-hf-lift-ignition-and-water-cooling-400v-tel-833017-welding-machine-accessories-1251601910.png?v=1785438371","url":"https:\/\/supplymaster.store\/products\/telwin-supertig-280-1-ac-dc-250a-tig-mma-welding-machine-with-hf-lift-ignition-and-water-cooling-400v-tel-833017","provider":"Supply Master","version":"1.0","type":"link"}