House Parts [Lifetime Warranty] 15Amp Thermal Circuit Breaker 125/250V AC 32V DC | Pack of 5
Five-pack of 15A thermal circuit breakers with protective caps and blue wire connectors.
Comparison chart showing a 15Amp thermal circuit breaker with blue wire connectors versus a generic alternative.
15Amp thermal circuit breaker with manual reset button, waterproof cap, and wire terminal connector.
Infographic showing wide application of 15Amp thermal circuit breakers for marine, automotive, and industrial equipment.
Two 15Amp thermal circuit breakers with blue wire connectors and close-up views of the metal terminals and housing.
15Amp thermal circuit breaker with manual reset button, mounting nut, and wire connector terminal.
BlueStars lifestyle graphic featuring a group of friends sitting on a truck tailgate with the text Enjoy a Seamless Experienc
Five-pack of 15A thermal circuit breakers with protective caps and blue wire connectors.
Comparison chart showing a 15Amp thermal circuit breaker with blue wire connectors versus a generic alternative.
15Amp thermal circuit breaker with manual reset button, waterproof cap, and wire terminal connector.
Infographic showing wide application of 15Amp thermal circuit breakers for marine, automotive, and industrial equipment.
Two 15Amp thermal circuit breakers with blue wire connectors and close-up views of the metal terminals and housing.
15Amp thermal circuit breaker with manual reset button, mounting nut, and wire connector terminal.
BlueStars lifestyle graphic featuring a group of friends sitting on a truck tailgate with the text Enjoy a Seamless Experienc
Lifetime Warranty

[Lifetime Warranty] 15Amp Thermal Circuit Breaker 125/250V AC 32V DC | Pack of 5

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15Amp Thermal Circuit Breaker 125/250V AC 32V DC

Key Features

  • Current Rating: 15A
  • Operating Voltage: 125/250V AC, 32V DC
  • Interrupt Capacity: 1000A
  • Operation Type: Thermal, single pole
  • Reset Mechanism: Manual push-to-reset
  • Includes waterproof button caps for added protection

Replaces / Cross-Reference Part Numbers

  • Serves as a direct replacement for thermal circuit breakers with matching 15A, 125/250V AC, and 32V DC electrical ratings and physical dimensions.
  • Suitable for applications calling for a push-button reset overload protector.

Compatibility & Fitment

  • Mounting Hole Size: 0.437 in (11.1 mm)
  • Commonly used in automotive, marine, industrial, and household applications.
  • Fits panels and power distribution systems designed for this form factor.

When to Replace

  • Breaker fails to trip during an overcurrent event.
  • Nuisance tripping occurs under normal load conditions.
  • Reset button will not stay engaged after tripping.
  • Visible signs of physical damage, such as cracks or burn marks.

Installation Tips

  • Always disconnect power from the circuit before installation or removal.
  • Ensure the 15A rating is appropriate for the circuit's wire gauge and load.
  • Secure wire terminal connections to prevent overheating.
  • This device is an overcurrent protector and is not intended for use as a manual on/off switch.
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  • Manual Reset

    Manual Reset

    You can conveniently push the Reset Button back in to connect the circuit again
  • Fixing symptoms

    Fixing symptoms

    Fix the following symptoms: frequent circuit breaker tripping, burning smell, buzzing sounds, hot to the touch, flickering power, etc
  • Great-value Package

    Great-value Package

    5x 15Amp Thermal Circuit Breakers - 5x Waterproof Button Caps (extra protection) - 10x Quick Connect Terminals (faster transmission)
  • Simple installation

    Simple installation

    BlueStars Thermal Circuit Breaker allows for effortless attachment and detachment
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FAQ

These breakers are designed for use in a wide variety of equipment including power strips, portable generators, air compressors, battery chargers, power tools, and household appliances that require overload protection up to 15 Amps.
A failed breaker will typically fail to reset after it has tripped, or it may trip prematurely under normal operating loads. If the button feels loose, does not 'click' into place, or shows no continuity when tested with a multimeter in the reset position, the internal bi-metallic strip has likely fatigued or burned out.
Yes, these units are rated for use in both 125V AC and 250V AC circuits, making them versatile for various international and domestic electrical configurations.
Installation is straightforward. You will need to remove the existing breaker from the mounting panel, disconnect the spade terminals, and snap the new unit into the cutout. Ensure the power source is completely disconnected before beginning. No specialized tools are required, though needle-nose pliers may assist in removing the push-on spade connectors.
Thermal breakers use a bi-metallic strip that bends when it heats up due to excess current. Once the strip reaches a specific temperature threshold, it physically breaks the circuit. This is ideal for protecting motors and sensitive electronics from sustained overcurrent conditions rather than instantaneous short circuits.
It is not strictly necessary to replace all of them unless they are part of a multi-gang panel where all units have been exposed to the same environmental stressors or age-related wear. However, keeping the remaining units as spares is recommended, as they are common wear items in high-draw equipment.