K3133-3 - Lincoln Magnum PRO 450 Dual Procedure MIG Gun, 20 ft, 450A

Industrial-Grade Performance for Extreme Environments

The Lincoln Electric Magnum® PRO 450 Dual Procedure Welding Gun (K3133-3) is engineered to meet the rigorous demands of high-amperage semi-automatic welding. Designed specifically for extreme environments such as heavy equipment manufacturing, shipbuilding, and industrial fabrication, this gun delivers exceptional reliability and performance. With a 20-foot cable length, it provides significant reach for large-scale projects, allowing operators to maneuver effectively around large workpieces without constantly repositioning the wire feeder.

Superior Duty Cycle and Heat Management

One of the standout features of the Magnum PRO 450 is its impressive duty cycle rating. It is capable of delivering 450 Amps at 100% duty cycle when using CO2 shielding gas, and 325 Amps at 100% duty cycle with mixed gas. This high endurance is supported by Lincoln Electric's Copper Plus® Contact Tips, which boast a larger diameter and greater mass than standard tips. This design improvement significantly enhances heat dissipation, keeping the tip cooler and extending its service life, thereby reducing downtime for consumable changes.

Dual Procedure and Ergonomic Design

The "Dual Procedure" designation refers to the gun's capability to integrate with compatible wire feeders to switch between two different welding schedules on the fly. The gun is equipped with 4 trigger leads to facilitate this fast field control. Ergonomically, the gun features the Comfort Grip™ design, a lightweight, balanced barrel-style handle that minimizes operator fatigue during long shifts. Additionally, the Secure-Lock™ gun tube prevents rotational slipping, ensuring the gun remains stable and predictable in the welder's hand. The patent-pending Anti-Seize™ thread design on the tip and diffuser further ensures that maintenance is quick and frustration-free, preventing parts from fusing together under high heat.