Magnum PRO Water-Cooled 400A Gun

Magnum® PRO 400 Water-Cooled Welding Guns

Magnum® PRO Semi-Automatic Water Cooled MIG welding gun with 400A 100% mixed gas duty cycle. Designed to tackle high-heat applications.


The Magnum PRO Water Cooled Welding Guns are built to tackle high-heat applications due to its 100% duty cycle while maintaining operator comfort.


  • 100% Duty Cycle – The 400A guns run at 100% duty cycle using 90/10 mixed gas, making them ideal for high heat applications
  • Over-Molded Handle Design – The soft rubber over molding enhances comfort and allows for an easier grip of the gun
  • Premium Tip Performance – The large diameter and mass of the Magnum PRO Copper Plus® contact tips help disperse heat and keep the tips cooler, expanding their life


Warning -

Cancer and Reproductive Harm -

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