The Lincoln Electric Magnum PRO AL G450W (K3422-4) is a high-performance push-pull MIG gun engineered specifically for the rigorous demands of industrial aluminum fabrication. Designed to address the common challenges associated with feeding soft aluminum wire, this system utilizes a synchronized push-pull mechanism that ensures consistent wire delivery over its extended 50-foot length. This capability is critical for large-scale manufacturing environments, such as trailer fabrication, shipbuilding, and automotive assembly, where operators require significant mobility without sacrificing arc stability.
At the core of this unit is the G450W water-cooled rating, providing a 100% duty cycle at 450 Amps using mixed shielding gases. This thermal management allows for continuous welding operations without the risk of gun overheating, maximizing throughput in high-volume production lines. The gun integrates seamlessly with Lincoln Electric's advanced power sources via a 12-pin connector, enabling precise communication and control.
Maintenance and operational costs are optimized through the use of Magnum PRO consumables. The proprietary Copper Plus contact tips feature a larger mass and diameter, improving heat dissipation and electrical conductivity. This results in significantly longer tip life compared to standard consumables, reducing downtime for changeovers. The Quick-Change liner system further enhances serviceability, allowing maintenance teams to replace liners in seconds without disassembling the entire gun.
Key Technical Specifications:
| Additional Information |
|---|
| Packaging Description:1 Per Ea |
| Amps:450 |
| Duty Cycle:100 |
| Cooling Method:Water Cooled |
| Cable Length:50 ft |
| Gun Type:Push-Pull |
| Wire Compatibility:Aluminum |
| Connector Type:12-Pin |
| Wire Diameter Range:0.035 - 1/16 in (0.9 - 1.6 mm) |
