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  • Current Range: 10 – 280A
  • 110V / 230V /400V
  • Weight:  22 Kg
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A professional quality flexible voltage MMA welding inverter capable of running from 110V, 230V and 400V power supplies.  The unit automatically manages the input power supply to produce a high quality arc condition.

The PROGYS FLEX 280 CEL features MMA pulse as well as the ability to use cellulosic welding rods well.  With a high protection rating of IP23 and its ability to run well from long extension cables, its a good option for on site welding in tough conditions.

A high starting voltage of 100V results in revolutionary arc dynamics.  It enables the user to weld steel, stainless steel, cast-iron, basic, cellulosic and aluminium welding rods easily.  A high duty cycle makes the PROGYS FLEX 280 CEL suitable for intensive use of welding rods 1.6 – 5.0mm in diameter.


A touchpad interface makes setting the machine easy, whilst a digital meter displays settings clearly.


Intuitive control panel with digital display

Choice between LIFT TIG or MMA modes with the touch of one button.

Quick & precise adjustment of the welding current with two buttons

Welding power range 10 >280A (400V)

Sealed panel prevents dust and moisture ingress



Benefitting from the following features:

Arc force GYS


Adjustable Arc Force:  Instantaneous increase in welding current in difficult welding conditions.


GYS Anti sticking


Anti Sticking: Allows easier arc starting and helps prevent rod sticking to the material.


Hot start GYS


Hot Start: Makes it easier to arc with any type of metal (Low Hot Start: For thin metal sheets – high Hot Start for metals that are difficult to weld such as dirty or oxidized sheets)


Cellulosic:  The FLEX 280 CEL has an open circuit voltage of 100V (cellulosic electrodes require an open circuit voltage of 90V).  The high penetration given by this type of electrode makes it suitable for use in a number of applications including pipe welding and ship building.

MMA Pulse: Developed for pipe welding and vertical up positional welding.

Secondary Regulation: Regardless of the input voltage and changes in distance between the electrode and the metal, the machine ensures a stable arc for optimum quality.

Lift TIG: The arc is created by touching the metal with the tungsten electrode avoiding tungsten inclusions and radio electrical disturbances.

Automatic arc release: This innovative function allows the operator to finish welding without creating craters. The time is adjustable and the function is activated by a movement of the torch.


  • Immediate start due to a high no load voltage.  Makes arc starting easier.
  • Constant welding power
  • Secondary regulation to maintain a super stable arc
  • Very smooth melting of welding rods with DC current
  • Excellent arc stability and good penetration.
  • High duty cycle enabling intensive use
  • Lift TIG Capability – Easier start to ensure perfect quality welding bead. A simple movement of the wrist starts the automatic downslope to ensure a smooth and clean welding finish.
  • Excellent performance over long extension lead lengths
  • Suitable for use with generators +/- 15% (Automatic voltage regulation recommended)
  • High OCV, perfect for Cellulosic welding rods
  • European made (France)
  • 2 Year warranty


SUPPLIED AS MACHINE ONLY – Add 5m lead set using drop down menu above. Please specify electrode holder preference in notes section upon checkout – twist type or crocodile type available.


Amps range 10 – 140 (110V)    10 – 200 (230V)    10 – 280 (400V)
Duty cycle @ 100% (20ºC) 230A
Input fuse 32A (110V)            25A (230V)          16A (400V)
Min generator size 12.5kVA
Electrode size for MMA 1.6 – 5.0mm
Dimensions 590 x 470 x 340mm
Dinse plug size 35 – 50
Approx. weight 22kg


GYS are a French family firm started in 1964.  Having now expanded internationally, they have a large UK base in Rugby, UK which looks after warranty issues and distribution.


To purchase a TIG torch for this machine, please select from the dropdown menu above.  TIG torch is supplied as a 2 part cable with dinse connector and 3/8″ BSP gas hose connector.  Note that the torch gas control is via a valve on the torch handle unlike on dedicated TIG machines with a gas solenoid.

Additional information


Machine Only, With 5m MMA Welding Lead Set (+£60), With TIG torch (+£45)


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