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125619 - Miller 125619 Carbon Contact Brush .250 x .500 x 1.500

Packaging: 1 PER EA
$51.77/EA $33.85/1 PER EA only $33.85/EASave 35%

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OVERVIEW

Genuine Miller Replacement Contact Brush

The Miller 125619 Contact Brush is a critical maintenance component designed for specific Miller welding power sources and generators. Measuring 0.250 inches by 0.500 inches by 1.500 inches, this brush is engineered to exact OEM specifications to ensure seamless integration with your existing equipment. In electromechanical systems, the contact brush plays a vital role in conducting current between stationary wires and moving parts, such as a motor's rotating shaft or a generator's commutator.

Over time, carbon brushes naturally wear down due to friction and electrical arcing. Failure to replace them at the appropriate intervals can lead to poor machine performance, unstable welding arcs, or significant damage to the commutator, resulting in costly repairs. By choosing the genuine Miller 125619, you are ensuring that the material composition and hardness of the brush are perfectly matched to your machine's requirements, optimizing conductivity while minimizing wear on mating surfaces.

Industrial environments demand reliability. Using authentic Miller parts like this contact brush helps maintain the duty cycle and longevity of your fleet. Whether performing routine preventative maintenance or addressing a breakdown, this component provides the quality assurance expected from Miller Electric products. Please verify compatibility with your specific machine's serial number before installation to ensure this is the correct part for your model.

Key Specifications

  • Part Number: 125619
  • Dimensions: 0.250" x 0.500" x 1.500"
  • Type: Electrical Contact / Carbon Brush
  • Application: Miller Welding Equipment Repair
Additional Information
Packaging Description:1 Per Ea
Part Type:Carbon Brush, Contact Brush
Material:Carbon Graphite
----- new values below ----
Dimensions:0.250" x 0.500" x 1.500"
Part Type:Contact Brush, Carbon Brush
Material:Carbon Graphite
brand:miller
packaging-description:1-per-ea

INCLUDED

  • 1 x Miller 125619 Contact Brush (.250 x .500 x 1.500)

APPLICATIONS

  • Replacement of worn carbon brushes in Miller welding generators.
  • Maintenance of electric motors within welding power sources.
  • Restoring electrical conductivity in rotating assemblies.
  • General repair of compatible Miller industrial equipment.

FAQ

The dimensions for this contact brush are 0.250 inches thick, 0.500 inches wide, and 1.500 inches long.

Because Miller uses various brushes across different models, you must check your machine's parts manual or look up the part based on your machine's serial number. You can also measure your existing brush to see if it matches the 0.250" x 0.500" x 1.500" dimensions.

OEM brushes are manufactured with specific carbon grades to match the commutator material. Using incorrect aftermarket brushes can cause excessive sparking, overheating, or rapid wear of the expensive commutator assembly.

Common signs include intermittent power output, excessive sparking visible through cooling vents, the machine failing to start, or physical inspection revealing the brush has worn down near the limit line.

No, the Miller 125619 is typically supplied as the contact brush block itself. Springs and holders are usually sold separately or reused if in good condition.

This product is sold individually (1 per package). Most motors or generators require at least two brushes (a pair), and some larger units may require more. It is recommended to replace all brushes in a set at the same time.

Brush replacement is a common maintenance task, but it involves working inside the machine near high-voltage components. Ensure the machine is unplugged and discharged. If you are uncomfortable with electrical repairs, consult a certified technician.