Canaweld AC/DC 281 Pulse, 280 Amp 1PH TIG Welding Machine

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Canaweld TIG AC/DC 281 PULSE


The TIG AC/DC 281 Pulse is an industrial, heavy-duty, powerful, portable, and versatile 280 amp single phase TIG welding machine. The professional pulse features of the machine combined with its HF start, make it ideal for welders looking to perform high-quality TIG welds even on very thin materials with no distortion.

The TIG AC/DC 281 Pulse welding machine is an inverter-based arc welding power source with advanced waveforms, and pulse controls making it the best professional choice for all industrial workshops.

Canaweld TIG AC/DC 281 Pulse offers excellent welding performance and various professional functions. A 5-inch color display with automatic controls makes the setup and operation quick and easy. Furthermore, All the features can be easily customized and saved in the available memory settings.


  • A 5-inch LCD screen allows both experienced and novice users to operate the device quickly and easily, ensuring correct setting and parameter selection, reducing parameter setting time, and increasing actual welding time.
  • Capability of TIG welding on aluminum and steel workpieces up to 3/8 inch (9.5 mm) of thickness with a maximum output of 280 amps.
  • AC Waveforms: Square, Sine, Triangular
  • Adjustable soft welding start and minimal distortion on thinner materials.
  • Adjustable hot start which is required for thicker materials.
  • Adjustable balance settings which provide full control to mix the cleaning and penetration sequences, during aluminum welding.
  • High frequency (HF) for perfect arc starts and stability
  • Ability to communicate with Canaweld auxiliary cooling systems
  • Metal face panel.
  • Generator compatible.
  • Comprehensive 3 Year Warranty.

Process Unit TIG AC TIG DC Stick
Display Type 5 inch LCD
Input Voltage, Single Phase, 50/60 Hz V 208 to 240 (±10%)
Primary Current@Max Welding Current A 50.5 50
Maximum Primary Effective Current (I1 eff max) A 27.8 29
Welding Current Range A 5 – 280 5 – 225
Welding Current @ 30% Duty Cycle in 104°F (40°C) A 280 225
Welding Current @ 60% Duty Cycle in 104°F (40°C) A 230 160
Welding Current @ 100% Duty Cycle in in 104°F (40°C) A 180 140
Open Circuit Voltage V 72
Minimum Power of Generator Kw 12.5
Weight lb. (Kg) 40 lb. (18 kg)
Dimensions Including Handle (D, W, H) in. (mm) 23.6 x 8 x 15.7 inch (600 X 205 X 400 mm)


Product Data Sheet