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232261 - Miller 232261 Replacement Rectifier Assembly with Heat Sink

Packaging: 1 per ea
$374.33/ea

Usually ships within 3-5 business days

OVERVIEW

Genuine Miller 232261 Heat Sink Rectifier

The Miller 232261 Heat Sink Rectifier is a critical internal component designed for specific Miller welding power sources. As a genuine OEM part, it is engineered to exact factory specifications, ensuring seamless integration with your existing equipment. The primary function of this assembly is to rectify the alternating current (AC) from the transformer into the direct current (DC) required for many welding processes. This conversion is essential for maintaining a stable, smooth arc and achieving high-quality weld deposits.

In addition to rectification, this unit features a robust heat sink assembly. Power rectification generates significant thermal energy, which, if not managed, can lead to component failure or machine shutdown. The integrated heat sink is designed to effectively dissipate this heat, allowing the welder to operate within its rated duty cycle without overheating. This ensures the longevity of the diodes and the overall reliability of the power source in demanding industrial environments.

When replacing internal electrical components like the rectifier, verifying compatibility is crucial. We recommend checking your machine's serial number against the parts manual to confirm that the 232261 is the correct part for your specific model. Using genuine Miller parts guarantees that the electrical values—such as voltage rating and amperage capacity—match the original design, preserving the safety and performance of your investment.

Whether you are performing routine maintenance or repairing a breakdown, the Miller 232261 provides the quality and durability expected from Miller Electric. It is a direct-fit solution that minimizes installation time and restores your machine to optimal working condition.

Additional Information
Packaging Description:1 Per Ea
Brand:Miller
Product Type:Heat Sink Rectifier
Compatibility:Miller Welding Machines

INCLUDED

  • 1 x Miller 232261 Heat Sink Rectifier Assembly

APPLICATIONS

  • Replacement of faulty rectifier assemblies in Miller power sources
  • Repair of welding machines exhibiting loss of DC output
  • Maintenance of industrial welding equipment cooling systems
  • Restoration of factory-spec power conversion efficiency

FAQ

It converts AC power to DC power for welding and dissipates the heat generated during this process to prevent overheating.

You should verify fitment by checking your machine's serial number against the parts manual or contacting a service representative.

Symptoms often include a weak or erratic arc, a humming noise from the machine, or a complete loss of DC welding output.

Yes, the rectifier assembly typically includes the diodes mounted onto the heat sink as a complete unit.

Yes, this is a genuine Miller Electric Original Equipment Manufacturer (OEM) replacement part.

Installation involves internal electrical components. It is recommended that a qualified technician perform the replacement to ensure safety and proper operation.

The heat sink absorbs and disperses heat away from the diodes. Without it, the diodes would overheat and fail rapidly under load.

Genuine Miller parts typically carry a warranty against manufacturing defects. Please check the specific warranty terms at the time of purchase.