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BQ4025AE7EM - Bernard Style 450A MIG Welding Gun with 25ft Cable and Miller Backend

Packaging: 1 per each
$835.32/ea

Usually ships within 3-5 business days

SKU: BQ4025AE7EM Categories: ,

OVERVIEW

Heavy-Duty 450A MIG Gun for Industrial Applications

The Bernard Style 450A MIG Gun is engineered to deliver exceptional performance in the most demanding welding environments. Designed as a direct replacement for standard heavy-duty air-cooled guns, this model features a robust construction capable of handling high amperage applications up to 450 amps. Whether you are welding structural steel, heavy equipment, or performing general fabrication, this gun provides the reliability and consistency required for professional results.

One of the standout features of this assembly is its 25-foot cable length. This extended reach allows welders to move freely around large workpieces without constantly repositioning the wire feeder, significantly improving workflow efficiency. The cable is protected by a durable outer jacket that resists abrasion, cuts, and heat, ensuring a long service life even in harsh shop conditions. Heavy-duty strain reliefs at both the handle and the backend connection further protect the internal cabling from stress and kinking.

Compatibility is key with this MIG gun. It comes equipped with a Miller-style backend connection, making it plug-and-play ready for a wide range of Miller wire feeders and power sources. There is no need for adapters or complex modifications—simply plug it in and start welding. Furthermore, the front end is designed to accept Bernard Centerfire consumables. These consumables are renowned for their ease of use, longevity, and excellent gas coverage, and they are widely available, simplifying your inventory management.

Operator comfort has also been prioritized. The gun features an ergonomic curved handle that fits naturally in the hand, reducing grip fatigue during extended welding sessions. The trigger is designed for a smooth pull, providing precise control over the arc start and stop. With its combination of power, reach, and comfort, this 450A MIG gun is an essential tool for any serious welder looking to maximize productivity.

Additional Information
Packaging Description:1 per each
Brand:Bernard Style
Amps:450amp
Length :25 ft
Front End:Bernard
Back End:Miller
Cooling Method:Air Cooled
Duty Cycle:100% @ 450A (CO2), 60% @ 450A (Mixed Gas)
Cable Length:25 ft
Connection Type:Miller
Consumable Series:Centerfire

INCLUDED

  • 1 x 450A MIG Gun Assembly (25ft)
  • 1 x Standard Liner (Installed)
  • 1 x Contact Tip (Installed)
  • 1 x Nozzle (Installed)
  • 1 x Gas Diffuser (Installed)

APPLICATIONS

  • Heavy Structural Steel Fabrication
  • Shipbuilding and Marine Repair
  • Trailer and Railcar Manufacturing
  • Heavy Equipment Repair
  • General Industrial Fabrication
  • Construction Sites

FAQ

This gun is compatible with Bernard Centerfire series consumables, including contact tips, nozzles, and gas diffusers.

Yes, provided your Miller welder or wire feeder uses the standard Miller power pin connection. It is a direct plug-and-play replacement for machines with this backend.

This MIG gun is rated for 450 Amps. The duty cycle typically varies based on the shielding gas used (higher with CO2, slightly lower with mixed gases).

This is an air-cooled MIG gun, designed to handle high amperages without the need for a water cooling system.

Yes, the liner is replaceable. You can install liners for different wire diameters (e.g., 0.035", 0.045", 1/16") or material types (e.g., Teflon for aluminum).

The cable is 25 feet long, providing excellent reach for working on large assemblies.

Warranty terms depend on the specific manufacturer policy for this aftermarket part, but typically these guns are covered against manufacturing defects.