Xtrweld 420-3545TLM Mig Welding Gun 400 Amp 20 Foot

Product Description

The XTRWELD 420-3545TLM is a heavy-duty MIG welding gun rated at 400 amps, designed for professional wire-feed welding applications. It accepts wire diameters from 0.035 to 0.045 inches and ships with a 20-foot cable assembly, giving the operator working distance from the wire feeder without sacrificing arc performance. At 11.8 pounds, the gun is built for sustained production use in fabrication shops, field welding, and industrial maintenance environments. Licensed welders and certified fabricators will find the amperage rating and wire range well matched to structural and heavy-gauge work.

This MIG gun is suited for use in commercial fabrication, manufacturing, and industrial maintenance settings where higher amperage output and longer reach are required. The 0.035 to 0.045 inch wire range covers common solid and flux-cored wire sizes used in structural steel, heavy plate, and pipe work. The 20-foot cable length supports semi-automatic setups where the operator needs to move around large weldments or fixed fixtures without repositioning the feeder.

Key Features

• 400-amp rated for high-amperage, sustained-duty welding applications
• Compatible with 0.035 to 0.045 inch wire diameters for versatile wire selection
• 20-foot cable assembly provides extended reach from the wire feeder
• Sold individually as a complete gun assembly

Compatibility

Designed as a replacement or secondary MIG gun for industrial wire-feed welding systems capable of supporting a 400-amp gun with a standard connection interface. Verify feeder connector compatibility before installation.

Installation Notes

Installation and setup should be performed by a qualified welder or welding equipment technician. Disconnect and lock out power to the wire feeder before connecting or disconnecting the gun cable. Confirm the feeder output connector matches the gun fitting before applying any force. Follow applicable AWS and shop safety standards when placing the gun into service.

Technical Specifications

• Amperage Rating: 400 amps
• Wire Diameter Range: 0.035 to 0.045 inches
• Cable Length: 20 feet
• Weight: 11.8 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 1

Standard Information

• Brand: XTRWELD
• Manufacturer Part Number: 420-3545TLM