Invertec 270SX – ARC Welding Machine

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ARC Welding Machine in Qatar

GCM – Welding Division, an authorized distributor of Lincoln Electric, is a leading provider of the best ARC welding machine in Qatar. Invertec 270SX & 400SX is one of the products we offer in Qatar which are Professional welders for tough conditions.

Invertec® 270SX & Invertec® 400SX

High-Performance Stick Welder

The Invertec 270SX & 400SX Stick and Lift TIG welders have been designed and manufactured to combine both a rugged industrial construction with excellent arc characteristics. The machines are built to handle harsh environmental conditions using Lincoln tunnel technology to separate the PCBs and sensitive parts from contaminating cooling airflow. The robust metal case with large protective rubber corners makes them suitable for operation on-site in conjunction with a generator, or within a workshop environment, providing maximum flexibility and durability. Intensive and extensive testing in the Lincoln lab guarantees the quality of these welders.


Stick (ARC), Lift TIG


  • Robust, built for heavy environmental conditions.
  •  Fully featured and user friendly control panel with
  • digital display allows precise setting of welding current.
  • Soft and Crisp mode: multiple arc modes for different electrode types.
  • Auto Adaptive Arc force: standard in Soft and Crisp
  • modes the automatic variable Arc Force operates when required.
  • Adjustable Hot Start and Arc Force allow a smooth start/restart of the electrode and prevent sticking of the electrode in the weld pool.
  • Features “Lift TIG” with no tungsten contamination.
  • Maximum output of 270A and 400A allows the use of 5.0 mm (270SX) and 6.3 mm (400SX) electrodes


Primary Voltage (50-60Hz) – 400V/3Ph

K12040-1, Invertec® 270SX

Rated Output



K12042-1, Invertec® 400SX

Rated Output



Warranty – 3 years

ARC welding machine in Qatar

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