The Lincoln Electric K126® PRO Innershield® Welding Gun (K126-12) is a premier 350-amp semiautomatic air-cooled gun designed specifically for flux-cored self-shielded (FCAW-SS) welding applications. Engineered to meet the rigorous demands of heavy industrial environments, this gun builds upon Lincoln's 50-year legacy of leadership in self-shielded wire and equipment. The K126 PRO is rated for 350 amps at a 60% duty cycle using CO2, making it a robust choice for construction, shipbuilding, and heavy equipment fabrication.
This PRO series model introduces significant enhancements over previous generations. Key among these is the new replaceable liner system and interchangeable backends, which drastically simplify maintenance and extend the service life of the gun. The gun utilizes Magnum® PRO Copper Plus™ Contact Tips, which feature a larger mass for improved heat dissipation and superior electrical conductivity, resulting in longer tip life and fewer changeovers. The contact tip holder is also replaceable, ensuring that if a tip seizes or fuses, the gun tube itself remains undamaged.
Durability is central to the K126 PRO's design. The gun tube is encased in a stainless steel jacket that resists spatter and provides essential electrical isolation. Trigger leads are integrated directly into the coaxial cable structure rather than being routed externally, eliminating a common failure point caused by abrasion and snagging on the job site. The gun comes standard with a popular 62° non-reverse bend tube, optimized for general access, though rotatable and reverse-bend options are available for specialized access in tight spaces. Included with the gun is a Tweco® #4 style connector (K466-10), ensuring compatibility with a wide range of wire feeders right out of the box.
The K126-12 is shipped ready to feed 5/64-inch (2.0 mm) wire but is capable of handling wire diameters ranging from 0.035 inches up to 0.120 inches with the appropriate consumables. This versatility, combined with plated steel strain relief and extra trigger leads for fast repairs, makes the K126 PRO an indispensable tool for professional welders requiring reliability and performance.
| Additional Information |
|---|
| Amperage:350 |
| Duty Cycle:60% |
| Brand:Lincoln Electric |
| Packaging Description:1 Per Ea |
| Torch Type:FCAW-SS, Innershield |
| Amperage Rating:350 A |
| Cable Length:15 ft |
| Wire Diameter:1/16 in, 5/64 in |
| Cooling Method:Air Cooled |
| Connection Type:Tweco #4 |
| Neck Angle:62° |
| Applications:Construction, Structural Welding, Heavy Fabrication |
