
The Tweco Classic No. 3 MIG Gun (SKU: 10301020) represents the evolution of one of the welding industry's most trusted platforms. This model, the VX3103545-10FT-EUR, integrates the heavy-duty architecture of the Classic No. 3 series with the advanced performance of Tweco's Velocity consumable system. Rated for 350 Amps at a 60% duty cycle using CO2 gas, this air-cooled gun is engineered for high-volume manufacturing, structural steel fabrication, and general heavy equipment repair. The 10-foot cable assembly provides a standard reach suitable for bench work and localized welding cells, ensuring consistent wire feeding through its optimized liner system.
The defining feature of this configuration is the Euro-Kwik backend connection. This standardized connector allows the gun to be instantly paired with a vast array of power sources and wire feeders that utilize the European style central adapter, bypassing the need for specific adapter kits. The gun comes pre-configured for 0.035" to 0.045" (0.9mm - 1.2mm) wire diameters, covering the most common range for medium-to-heavy fabrication. The cable construction features high-quality copper stranding and a durable outer jacket designed to withstand the harsh environment of industrial shop floors, resisting cuts, burns, and abrasion.
Technically, the integration of Velocity consumables transforms the arc characteristics. The Velocity system utilizes a threadless contact tip that seats into a solid copper conductor path. This design maximizes surface contact area for electrical transfer, resulting in a more stable arc and significantly cooler operating temperatures compared to traditional threaded tips. For the procurement manager or shop foreman, this translates to reduced consumable consumption and less downtime for tip changes. The gas nozzle in the Velocity system also features a unique seating mechanism that ensures concentric gas flow, reducing porosity defects and improving weld quality.
The handle itself retains the ergonomic curved design that welders have favored for decades, featuring a rugged paddle switch that is easy to operate even with heavy welding gloves. The entire assembly is designed for serviceability, with easily replaceable trigger leads and cable components. This unit is a comprehensive solution for facilities requiring a reliable, high-amperage air-cooled torch with the versatility of a Euro connection.
| Additional Information |
|---|
| Amps:350 |
| Cable Length:10 ft |
| Wire Size:0.035, 0.045 |
| Connection Type:Euro |
| Cooling Method:Air Cooled |
| Series:Classic No. 3, Velocity |
| Duty Cycle:60 |
| Process Type:Flux-Cored (FCAW), MIG (GMAW) |
| Handle Style:Curved, Paddle Switch |
| Consumable Series:Velocity |