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West Country Welding Supplies

EWM Tetrix 400 DC activArc - West Country Welding Supplies, UK - West Country Welding Supplies, UK

EWM Tetrix 400 DC activArc

All EWM Machines come with a three year parts and labour warranty.


  • Tetrix 400 DC activeArcMaximum flexibility thanks to the modular and futureoriented machine system: Upgrade to fit the need – no additional tools or specialist staff required
  • Maximum efficiency for all requirements with reproducible welding results and excellent quality thanks to the fully digital inverter welding technology
  • Self-explanatory, intuitive operating concepts for everyone - either the standard setting, job mode or synergic one-dial operation so that you can concentrate fully on your welding task!
  • EWM activeArc – the powerful TIG arc - faster, better and simpler welding across the entire power range
  • Maximum mobility: Easily movable thanks to large wheels, fits through standard doors, easy loading and unloading thanks to the even wheel gauge
  • Intelligent casing design with optimised air guidance for longer duty cycle and ventilation control for less contamination in the machine.
  • COMFORT, SYNERGIC: Ideal for robot, industrial bus and mechanised applications and documentation via optional interfaces

Main Areas of Use

  • TIG welding: Unalloyed, low-alloy and high-alloy steels, nickel-based alloys, copper and special materials, repair welding on cast aluminium components
  • MMA welding with rutile and basic coated electrodes: Unalloyed and low- and highalloy steels, nickel-based and copper alloys
  • Production work, metal construction, food and chemicals industries, pipeline, closed container and plant construction, vehicle, machine, plant and tool construction, and more


  • TIG and MMA inverter DC welding machine.
  • Portable, gas cooled, decentralised, modular, 5 m mains supply lead
  • Powerful cooling module with centrifugal pump, pressure monitor, pump and temperature-controlled fan
  • 100% tested and free welded

Technical Specifications

Welding current 5 A -400 A
Duty cycle 20°

330 A
Duty cycle 40°

380 A
320 A
Open circuit voltage 98 V
Mains voltage (tolerances) 3 x 400 V (-25% / +20%)
max. connected load 17,2 kVA
recom. generator rating 23,2 kVA
Mains fuse 3 x 35 A
Dimensions (LxWxH) 980 x 505 x 997 mm
Weight 115 kg

Contact us for more details or to discuss any of your welding needs

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