P3-15M - 300A Tweco-Style MIG Torch for Miller Welders - 15ft

High-Performance Replacement MIG Gun for Miller Systems

The Powerweld P3-15M is a robust 300-amp air-cooled MIG gun designed specifically to bridge the gap between Miller power sources and Tweco-style consumables. Engineered for professional industrial environments, this torch features a direct-connect Miller back end, making it fully compatible with a wide range of Millermatic machines and Miller wire feeders that utilize the standard Miller pin configuration. The 15-foot cable assembly offers extended reach, allowing welders to navigate around large workpieces without constantly repositioning the power source.

At the core of the P3-15M is its compatibility with the industry-standard Tweco #3 (14 Series) consumables. This design choice ensures that replacement contact tips, nozzles, and gas diffusers are not only widely available but also cost-effective compared to proprietary OEM parts. The gun is rated for a 60% duty cycle at 300 amps when using CO2 shielding gas, making it suitable for medium-to-heavy fabrication tasks involving mild steel, stainless steel, and flux-cored applications.

Construction-wise, the P3-15M utilizes high-quality copper stranding within the power cable to ensure efficient current transfer and minimal heat buildup. The outer cable jacket is crafted from abrasion-resistant rubber, protecting the internal gas hose and control leads from the harsh environment of a welding shop. The handle features an ergonomic design with a comfortable trigger geometry, reducing hand stress during prolonged welding sessions. A ball-and-socket joint at the handle base provides superior flexibility and strain relief, preventing cable failure at the most critical stress point.

This gun comes ready to weld out of the box, pre-fitted with a standard liner, tip, and nozzle. It is an ideal solution for fabrication shops looking to standardize their consumables inventory while maintaining compatibility with their fleet of Miller welding equipment.