The PROTIG 201 AC/DC is the professional TIG welding solution for welding all types of metal up to 4 mm thick (steel, stainless steel, aluminium, copper or titanium). It ensures a very high level of precision in many areas such as fabrication, maintenance or piping.

  • Designed for user comfort
  • 6 TIG AC/DC processes
  • 2 modes of coated electrode welding
  • Robust design for all environments
  • High tech power supply


6 TIG AC/DC Processes

  • Welding Current: 10 to 200 A (TIG AC), 10 to 160 A (TIG DC)
  • TIG DC – Standard: Ensures a quality weld on all ferrous materials such as steel and stainless steel, as well as copper and its alloys (titanium)
  • TIG DC Pulse: Controls molten temperature, limits deformation and thus allows the assembly of thin sheets from 0.3mm
  • TIG DC SPOT: Pre-assembles ferrous metal parts by tacking
  • TIG AC – Easy: Makes the use of the welding machines easier thanks for predefined settings. The user only selects the diameter of his tungsten electrode on the interface
  • TIG AC – Standard: Designed for welding aluminium and its alloys (Al, AlSi, AlMg, AiMn)
  • TIG AC – SPOT: Pre-assembles the aluminium parts by tacking

2 Modes of Coated Electrode Welding 

  • Welding Current: from 10 to 160 A (MMA)
  • MMA Standard: Accepts basic, rutile electrodes up to Ø 4mm
  • MMA Pulse: Helps welding in a vertical upright position (nozzles/pipeline)

Designed for User Comfort 

  • 2 Types of Start-up: HF (without contact) or LIFT (with contact) for electro-sensitive environments
  • 3 Trigger Modes:
    – 2 times: maintain pressure on the trigger throughout the weld
    – 4 times: to start welding, press the trigger only once
    and then press the trigger again to stop welding
    – 4T «LOG»: the operator chooses at any time between 2 welding currents by a short pulse on the trigger
    (hot and cold current)
    • MMA Welding Assistance:
    – Antisticking : reduces the risks of the electrode sticking if it comes into contact with the workpiece
    – Hot Start: Assists in Arc ignition and can be adjusted according to the type of metal
    – Arc Force Adjustable: regulates the arc length deviations
    VRD (voltage reduction device): the welding current is only delivered when the electrode is in
    contact with the workpiece (not originally activated)

Robust Design for all Environments

  • Reinforced chassis and anti-shock absorbent protection
  • Compact and lightweight design
  • Current/Voltage display after welding (DMOS?QMOS)
  • Storage of up to 50 programs per process
  • Connectivity for remote controls
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