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952176 - ESAB 40 Amp 277 Volt Replacement Circuit Breaker

Packaging: pack of 1
$612.94/EA $378.25/pack of 1 only $378.25/EASave 38%

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OVERVIEW

Genuine ESAB 952176 Replacement Circuit Breaker

Maintain the operational safety and efficiency of your welding power sources with the ESAB 952176 Circuit Breaker. This heavy-duty electrical component is specified for 40 Amps and up to 277 Volts, making it the exact replacement required for specific ESAB welding machines. Circuit breakers are the unsung heroes of welding safety, constantly monitoring the electrical current to ensure it remains within safe limits. When a fault occurs—whether due to a short in the cable, a component failure, or an external power surge—this breaker trips instantly to cut power, saving expensive internal electronics from burning out.

The 952176 is built to meet the rigorous standards of the welding industry. Unlike standard residential breakers, industrial welding breakers must withstand frequent thermal cycling and the unique electrical noise generated by welding arcs. This OEM part is designed with the correct form factor and connection points for a seamless fit into your existing equipment, eliminating the need for dangerous modifications or "workarounds." Its 40A rating is specifically chosen to match the current draw of the machine it protects, ensuring that you get maximum power output without compromising the safety cutoff point.

Replacing a faulty breaker is often the solution to machines that will not power on or that trip immediately upon striking an arc. Symptoms of a failing breaker can include a refusal to reset, a "spongy" feel when toggling the switch, or physical signs of heat damage such as discoloration. If you encounter these issues, swapping in a fresh ESAB 952176 can restore your machine to full functionality. It is always recommended to verify the root cause of the trip before simply replacing the breaker, as repeated tripping indicates an underlying electrical issue that must be addressed.

Invest in the longevity of your welding assets by using only manufacturer-approved replacement parts. The ESAB 952176 offers peace of mind, knowing that your equipment is protected by a component designed by the same engineers who built the machine. Whether for a repair shop, a manufacturing floor, or a field service truck, having the right electrical parts available is key to professional welding maintenance.

Additional Information
Amperage:40 A
Voltage:277 V
Brand:ESAB
Component Type:Circuit Breaker
Current Rating:40 Amps
Voltage Rating:277 Volts
Application:Welding Power Source Protection
Packaging Description:pack of 1

INCLUDED

  • 1 x ESAB Circuit Breaker (40A, 277V)

APPLICATIONS

  • Overcurrent protection for compatible ESAB welding power sources
  • Replacement of worn or faulty 40A circuit breakers
  • Industrial electrical safety for welding equipment
  • Maintenance and repair of welding machine power distribution systems

FAQ

The ESAB 952176 circuit breaker is rated for 40 Amps.

This circuit breaker is rated for a maximum of 277 Volts AC.

Yes, this is a genuine OEM ESAB replacement part, ensuring perfect compatibility and safety.

Signs include the breaker tripping immediately after resetting, refusing to reset (staying in the 'off' or middle position), feeling hot to the touch, or showing visible signs of burning or melting.

It is highly recommended to use the OEM part. Generic breakers may not fit the mounting space correctly or have the specific trip curve required for welding machine loads.

Typically, the breaker is sold as a standalone unit. You usually reuse the existing mounting clips or screws from the machine.

Always disconnect the machine from primary power (unplug it or lock out the main disconnect) before opening the case. Installation should be performed by a qualified electrician or technician.

No, it fits specific models that require a 40A/277V breaker. Please check your machine's parts manual or the existing breaker's label to confirm compatibility.