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Miller 20 Amp 12VDC Auto-Reset Circuit Breaker

$102.25/EA $71.76/1 PER EA only $71.76/EASave 30%

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OVERVIEW

Reliable Protection for Your Miller Welder

Keep your Miller welding machine running smoothly with the genuine Miller 226372 Supplementary Protector. This small but vital component acts as the safety guard for your welder's 12-volt DC electrical system. Rated at 20 Amps, it is designed to detect electrical surges or shorts and cut the power before damage occurs to your machine's expensive internal wiring or circuit boards. If you are experiencing intermittent power loss in your wire feeder or control circuits, a faulty or fatigued protector could be the culprit.

One of the standout features of this protector is its Auto Reset capability. In the rough and tumble environment of a welding shop, temporary overloads can happen. Instead of blowing like a fuse that needs to be thrown away, or popping a button that you have to hunt for and press, this unit automatically resets itself once it cools down. This means less downtime for you and fewer interruptions to your workflow. However, if the unit trips repeatedly, it serves as a warning sign that there is a deeper issue in your machine that needs attention.

When it comes to repairing your trusted equipment, fitment matters. This is an authentic Miller Electric part, guaranteeing it will fit perfectly into the mounting slot and connect securely to your existing wiring. Generic breakers often have different physical dimensions or trip at the wrong times, leading to frustration. By choosing the OEM 226372 part, you are restoring your machine to its factory specifications.

Why Choose the Miller 226372?

  • Automatic Convenience: Resets itself so you don't have to open the machine constantly.
  • Exact Fit: Designed specifically for Miller 12VDC systems.
  • Safety First: reliably cuts power at 20A to prevent fire or component failure.

Don't let a small electrical part stop your production. Verify your machine's serial number and parts manual to confirm compatibility, and install the Miller 226372 to ensure your welder is protected and ready for the next job.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Amperage Rating:20 A
Voltage Rating:12 VDC
Reset Type:Auto Reset
Product Type:Supplementary Protector

INCLUDED

  • 1 x Miller 226372 Supplementary Protector (20A, 12VDC, Auto Reset)

APPLICATIONS

  • Overcurrent protection for 12VDC control circuits in Miller welders
  • Replacement of worn or cycling auto-reset breakers
  • Protection of wire feed motors and solenoids
  • Repair of specific Miller power sources and wire feeders

FAQ

The Miller 226372 is rated for 20 Amps.

This is an auto-reset supplementary protector. It will automatically restore the circuit once the thermal element cools down.

It is designed for 12V DC circuits.

If the protector trips immediately without a load, has infinite resistance (open circuit) when cool, or fails to reset, it likely needs replacement.

No, you should use the specified auto-reset protector. A fuse would require replacement every time a temporary surge occurs, and the machine is designed for the thermal characteristics of this breaker.

Yes, this is a genuine Miller Electric component, part number 226372.

It is typically located inside the machine casing, often near the control board or wire drive assembly. Consult your owner's manual for the specific location.
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