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9-9381 - Thermal Dynamics 9-9381 Motor and Transformer Repair Kit for SanRex 100-300

Packaging: pack of 1
$2,718.75/EA $1,628.91/pack of 1 only $1,628.91/EASave 40%

Usually ships within 3-5 business days

OVERVIEW

Get Back to Welding with the Thermal Dynamics 9-9381 Kit

Is your trusty welder acting up? If you are running a machine based on the SanRex 100-300 platform (common in many Thermal Arc and Thermal Dynamics models), a failed motor or transformer can bring your work to a grinding halt. Don't let a breakdown compromise your deadlines. The Thermal Dynamics 9-9381 Motor/Transformer Kit is the genuine replacement part you need to fix the issue right the first time. Forget about trying to hack together a solution with mismatched parts; this kit is the real deal, designed to drop straight into your machine and get you back under the hood.

We know that in the welding world, equipment reliability is everything. When you hit the power switch, you expect your machine to hum to life and hold a steady arc. This replacement kit restores that confidence. It includes the specific motor and transformer assembly required for your unit's internal systems, ensuring that cooling, wire feeding, or voltage control functions operate exactly as they did when the machine was new. Using genuine parts protects your investment, preventing downstream electrical issues that could fry expensive circuit boards.

Swapping out internal components might seem daunting, but using the correct part makes the job significantly easier. The 9-9381 fits perfectly into the existing mounts and connects to the standard wiring harness of compatible SanRex 100-300 units. Whether you are fixing it yourself in the shop or handing it off to a service tech, having the right part in hand is half the battle. Keep your shop running smooth and your welds looking good by choosing authentic Thermal Dynamics repair parts.

Why Choose This Kit?

  • Perfect Fit: No guessing games—it fits your specific machine model.
  • Peace of Mind: Genuine parts mean you don't have to worry about compatibility issues.
  • Fast Fix: Designed for quick replacement so you can get back to burning rod or wire.
Additional Information
Brand:Thermal Dynamics
Packaging Description:1 Per Ea
Compatible Models:SanRex 100-300 Series, Thermal Arc Power Sources
Part Type:Motor/Transformer Kit
Application:Machine Repair, Electrical Maintenance

INCLUDED

  • 1 x Motor/Transformer Assembly Kit (9-9381)
  • Installation Hardware (if applicable)
  • Instruction Sheet

APPLICATIONS

  • Repairing SanRex 100-300 series welding power sources
  • Maintenance of Thermal Dynamics and Thermal Arc equipment
  • Replacement of failed internal motors or control transformers
  • Restoring cooling or drive functionality in industrial welders

FAQ

The 9-9381 is designed for SanRex 100-300 series power sources, which are often found inside specific Thermal Dynamics and Thermal Arc welding machines. Please check your machine's parts manual to confirm compatibility.

Most OEM repair kits include a basic diagram or instruction sheet, but it is recommended that installation be performed by a qualified technician using the machine's service manual.

Yes, this is a genuine Thermal Dynamics (ESAB) OEM part, ensuring the highest quality and perfect fit for your equipment.

Symptoms can include the machine failing to power up, lack of fan operation, erratic wire feeding (if applicable), or smoke/burning smells coming from the unit.

Electrical replacement parts are often subject to strict return policies once opened or installed. Please verify the part number 9-9381 matches your service manual before ordering.

Typically, these kits include the primary assembly. You may need to reuse existing screws or mounting brackets depending on the specific machine revision.

OEM transformers are wound to specific inductance and voltage ratios required by the control board. Generic replacements can cause board failure or poor welding performance.

As an internal motor/transformer component, it is relatively compact but dense. Exact weight varies, but it typically ships as a standard parcel package.