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Miller 294719 Contactor Replacement Kit with Snubbers

$796.85/ea $490.97/1 per ea only $490.97/eaSave 38%

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OVERVIEW

Restore Your Welder's Power with the Miller 294719 Contactor Kit

Is your Miller welder acting up? If you are experiencing issues like the machine failing to strike an arc, the power output staying on continuously even when the trigger is released, or loud buzzing coming from the unit, a faulty contactor might be the culprit. The Miller 294719 Kit, Contactor W/Snubbers is the authentic solution to get your machine back to work. The contactor acts as the heavy-duty switch that delivers power to the weld; replacing it is a standard maintenance procedure that can breathe new life into an older machine.

This kit is more than just a switch; it includes the vital snubbers necessary for a safe and long-lasting repair. Snubbers act as shock absorbers for your electrical system, soaking up the energy spikes created when the contactor switches off. If you only replace the contactor without addressing the snubbers, you risk damaging the new part or, worse, frying your welder's main circuit board. This complete kit ensures you have everything needed to perform the repair correctly the first time.

Don't gamble with your equipment's reliability by using "will-fit" parts. The Miller 294719 is built to the exact specifications of your original machine, ensuring a hassle-free installation. Whether you are a professional technician servicing a shop floor or a fabricator maintaining your own rig, choosing genuine Miller parts ensures durability and performance. Get your welder running smoothly again with this high-quality replacement kit.

Additional Information
Brand:Miller
Packaging Description:pack of 1
Product Type:Contactor Kit
Components Included:Contactor, Snubbers

INCLUDED

  • 1 x Contactor Assembly
  • 1 x Snubber Assembly (Integrated or separate depending on revision)
  • Installation Hardware
  • Instruction Sheet

APPLICATIONS

  • Repairing Miller welding power sources
  • Replacing worn, pitted, or burnt contactor points
  • Fixing stuck-closed or stuck-open power output issues
  • Preventative maintenance for high-cycle welding machines
  • Restoring proper arc initiation and termination

FAQ

The snubbers suppress high-voltage spikes (transients) that occur when the contactor opens, protecting the welder's internal circuit boards from electrical damage.

Common signs include the welder not outputting power when triggered, the power remaining on constantly, or the contactor making a loud buzzing or chattering noise.

Yes, the 294719 is a genuine OEM Miller Electric kit, ensuring exact fitment and factory specifications.

This kit fits various Miller power sources. We recommend checking your machine's parts manual or verifying with your serial number to ensure compatibility with part number 294719.

While many users perform this repair, it involves working with internal electrical components. Proper safety procedures, including disconnecting power and discharging capacitors, must be followed. If unsure, consult a qualified technician.

OEM kits typically include a diagram or instruction sheet, but referring to your specific machine's service manual is always recommended for the correct procedure.

Snubbers can degrade over time. Replacing them ensures the new contactor is protected from arcing and that the machine's electronics are shielded from voltage spikes.
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