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Welding Supplies Direct & associated company TWS Direct Ltd is an online distributor of a wide variety of welding supplies, welding equipment and welding machine. We supply plasma cutters, MIG, TIG, ARC welding machines and support consumables to the UK, Europe and North America.

Help and advice is just a phone call away! We're here to help in all and any aspect of the welding industry. With combined experiences of over 70 years we're sure we can point you in the right direction.

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Tweco Arcmaster 220 AC/DC TIG Welder

In stock
£3,176.98 £2,647.48


  • 3 Year Warranty
  • The Tweco ArcMaster 220 AC/DC is a full digital control, AC/DC, Stick/ Lift TIG/ HF TIG inverter power supply with a high output and expanded input voltage capabilities for maximum user flexibility.
  • Standard features include - High frequency start, lift TIG start, automatic downslope, pulse, repeat (latch) function, memory function and automatic gas management.
  • This is the ultimate unit designed for precision TIG and Stick welding of all weldable materials.
  • Superior, true square wave output combines with highly developed balance and cleaning features to deliver an unbeatable welding performance with extended tungsten life on aluminium and magnesium alloys without the need for continuous high frequency. 
  • Fully functioning Voltage Reduction Device (VRD)
  • Adjustable AC Balance & Frequency
  • Selectable AC Wave Forms
  • Pulse TIG Welding

Technical Specifications

  • Output range - 3A - 220A TIG / 10A - 170A MMA
  • Input Supply - 230V Single Phase 32A
  • Duty Cycle - 40% @ 220A TIG / 40% @ 170A MMA (40C)
  • Dimensions - 326MM X 185MM X 483MM
  • Weight - 13.4KG
  • Designed To meet IP23S
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