Skip to Main Content
Canadian
Canadian owned and operated

Lincoln Electric 50A 3-Pole Circuit Breaker Replacement

$642.68/ea $459.06/1 of each only $459.06/eaSave 29%

Usually ships within 3-5 business days

OVERVIEW

Get Your Welder Back Up and Running

When your welder's power cuts out or a breaker won't reset, it stops your work dead in its tracks. The Lincoln Electric 50 Amp, 3-Pole Circuit Breaker (9SM20586-1) is the direct replacement you need to fix power delivery issues and get back to burning rod. This isn't just a generic hardware store breaker; it is a specific replacement part designed for Lincoln welding machines, ensuring that your equipment is protected exactly how the manufacturer intended. If your existing breaker feels 'mushy,' won't stay engaged, or has tripped due to a fault, swapping it out with this fresh unit is the first step to restoring reliability.

This breaker is rated for 50 Amps, which is a common rating for auxiliary power receptacles (like the 14-50R found on many engine drives) or internal power distribution within larger shop machines. The 3-pole design means it handles three lines of current, tripping them all simultaneously if a fault is detected in any one of them. This is a crucial safety feature that prevents 'single-phasing' or partial power situations that could damage motors or sensitive electronics connected to your machine. Installing the correct part means you don't have to worry about modifying mounts or guessing if the trip rating is safe for your welder.

Don't risk your expensive equipment with questionable aftermarket electrical parts. Using genuine Lincoln parts helps maintain the resale value of your machine and ensures it meets safety standards. This breaker is built tough to handle the vibration of engine drives and the heat of a busy shop. Keep your downtime to a minimum and your safety to a maximum by replacing faulty breakers immediately with this OEM component.

Why Choose This Replacement?

  • Direct Fit: No hacking or modifying required; it fits right into the designated slot on compatible Lincoln machines.
  • Safety First: Protects you and your machine from dangerous electrical shorts and overloads.
  • Peace of Mind: Eliminates the frustration of constant nuisance tripping caused by old, worn-out breakers.
Additional Information
Brand:Lincoln Electric
Packaging Description:1-per-ea
Amperage:50 A
Poles:3
Component Type:Circuit Breaker
Application:Welding Machine Repair

INCLUDED

  • 1 x 50 Amp 3-Pole Circuit Breaker

APPLICATIONS

  • Replacement of faulty circuit breakers in Lincoln Electric welding machines
  • Protection of 50A auxiliary power receptacles
  • Repair of 3-phase or 3-wire internal power distribution circuits
  • Maintenance of engine-driven welders and shop power sources

FAQ

This circuit breaker is rated for 50 Amps.

This is a 3-pole circuit breaker.

Yes, this is a genuine Lincoln Electric replacement part, ensuring OEM quality and fit.

Symptoms include the breaker tripping immediately upon reset, the switch feeling loose or not clicking into position, physical signs of burning or melting, or the breaker failing to conduct power even when in the 'ON' position.

No, you should always replace a circuit breaker with one that matches the original specifications (amperage and number of poles) exactly to ensure safety and proper machine function.

No, this SKU is typically for the circuit breaker unit itself. The receptacle is usually sold as a separate component unless specified as a complete assembly kit.

This part fits specific Lincoln models that require a 50A 3-pole breaker. Please check your machine's parts manual or contact us with your machine's code number to verify compatibility.

Yes, 50A breakers are commonly used on engine-driven welders for auxiliary power output protection, but verify your specific model's parts list.
Google Rating
4.9
Based on35reviews
×
js_loader