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38129 - ESAB 38129 Replacement Control PCB for 353/453/352/452 CV Welders

Packaging: pack of 1
$2,730.86/EA $1,733.05/pack of 1 only $1,733.05/EASave 37%

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OVERVIEW

Get Your ESAB Welder Back to Work

Is your ESAB CV welder acting up? If you are experiencing issues with voltage regulation, erratic arc starts, or if your machine simply refuses to weld despite having power, the issue might lie in the main control board. The ESAB 38129 PCB Control is the direct replacement board you need to fix ESAB 353 CV, 453 CV, 352 CV, and 452 CV power sources. These machines are legendary for their durability in heavy fabrication, but even the toughest equipment needs maintenance eventually.

The control board is responsible for telling the power source exactly what to do. It translates your settings into the electrical output at the torch. When this board fails, your welder becomes a heavy paperweight. Replacing the board with this genuine ESAB part is the fastest way to get your station back online and your welders back to burning wire. This isn't a generic "universal" board; it is the specific part engineered by ESAB for these specific models, ensuring that all your knobs, dials, and remote controls work exactly as they did when the machine was new.

Why Choose OEM Replacement Parts?

Using the correct ESAB 38129 board guarantees compatibility. You won't have to worry about modifying wiring harnesses or drilling new mounting holes. It fits right where the old one came out. Furthermore, using OEM parts protects the other expensive components in your welder, such as the capacitor bank and the main transformer, by ensuring the control signals are clean and within spec. Industrial electronics are sensitive, and using the right board ensures the safety and longevity of the entire system.

Whether you are running a 350-amp setup for general fabrication or a 450-amp beast for heavy structural work, this control board covers the CV range listed. Don't let a fried circuit board stop production. Keep a spare on the shelf or order this replacement today to minimize downtime. Installation should typically be performed by a qualified technician to ensure safety and proper calibration, but for those familiar with machine repair, it is a standard component swap.

Additional Information
Brand:ESAB
Product Type:Control PCB, Replacement Circuit Board
Packaging Description:1 Per Ea
Compatible Models:ESAB 353 CV, ESAB 453 CV, ESAB 352 CV, ESAB 452 CV
Part Type:Main Control Board, Electronic Assembly
Application:Industrial Welding Repair, Power Source Maintenance

INCLUDED

  • 1 x PCB Control Board Assembly (38129)
  • Installation Instructions (if applicable from manufacturer)
  • Anti-static packaging

APPLICATIONS

  • Heavy Industrial Fabrication: Repairing main power sources in shipyards and structural steel plants.
  • Manufacturing Plants: Maintenance of production line MIG welders (ESAB CV series).
  • Equipment Rental Fleets: Refurbishing older ESAB 353/453 units for rental rotation.
  • Vocational Training Centers: Fixing welding machines used in educational booths.

FAQ

The ESAB 38129 PCB Control is designed for ESAB CV series power sources, specifically the 353 CV, 453 CV, 352 CV, and 452 CV models.

Yes, this is a genuine ESAB replacement part, ensuring exact fit and adherence to original factory specifications.

Common symptoms include erratic voltage output, inability to adjust settings, the machine powering on but not welding, or visible damage/burn marks on the board components.

While the board is designed for direct replacement, installation involves working with high-voltage industrial equipment. It is highly recommended that a qualified technician perform the installation to ensure safety.

In CV systems, the power source provides the voltage, while the feeder controls the wire speed. However, this board communicates with the feeder and regulates the output voltage which indirectly affects arc characteristics.

OEM repair parts typically do not come with detailed instructional manuals, as they are intended for professional service technicians who have access to the machine's service manual.

No, this board is specifically for the CV (Constant Voltage) models listed (353/453/352/452 CV). CC machines use different control logic.

Depending on the specific machine revision, minor calibration of output levels may be required. Consult the service manual for your specific power source model.