House - Electrical Parts [Lifetime Warranty] 5Amp Thermal Circuit Breaker 125/250V AC 32V DC | Pack of 5
Five 5A thermal circuit breakers with protective caps and ten blue wire terminals.
Close-up of a 5Amp thermal circuit breaker with blue wire connectors, comparing BlueStars quality to others.
5A thermal circuit breaker with manual reset button, waterproof cap, and terminal connector.
Collage showing wide application of 5Amp thermal circuit breakers in marine, automotive, and industrial equipment.
Two 5A thermal circuit breakers with blue wire connectors and close-up views of the terminal and threaded housing.
5Amp thermal circuit breaker with manual reset button, mounting nut, and wire connector.
BlueStars lifestyle graphic featuring a group of friends sitting on a pickup truck by a lake.
Five 5A thermal circuit breakers with protective caps and ten blue wire terminals.
Close-up of a 5Amp thermal circuit breaker with blue wire connectors, comparing BlueStars quality to others.
5A thermal circuit breaker with manual reset button, waterproof cap, and terminal connector.
Collage showing wide application of 5Amp thermal circuit breakers in marine, automotive, and industrial equipment.
Two 5A thermal circuit breakers with blue wire connectors and close-up views of the terminal and threaded housing.
5Amp thermal circuit breaker with manual reset button, mounting nut, and wire connector.
BlueStars lifestyle graphic featuring a group of friends sitting on a pickup truck by a lake.
Lifetime Warranty

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

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5Amp Thermal Circuit Breaker 125/250V AC 32V DC

Key Features

  • Current Rating: 5A
  • Voltage Rating: 125/250V AC, 32V DC
  • Protection Type: Single-pole thermal overload
  • Reset Mechanism: Manual push-button reset
  • Termination: Quick connect terminals
  • Body Dimensions (approximate): 35.0 x 31.0 x 14.6 mm

Replaces / Cross-Reference Part Numbers

  • Direct replacement for thermal circuit breakers with matching electrical ratings and physical dimensions.
  • Compatible with common L1 series and similar form-factor breakers.

Compatibility & Fitment

  • Designed for use in both AC and DC low voltage systems.
  • Suitable for applications including marine panels, power strips, generators, automotive accessories, and industrial control equipment.
  • Fits standard panel cutouts designed for this type of push-button breaker.

When to Replace

  • Existing breaker fails to trip during a known overload event.
  • Breaker trips repeatedly under a normal, non-overload condition.
  • Reset button will not stay engaged after being pressed.
  • Visible signs of physical damage, such as a cracked housing, corrosion, or heat discoloration.

Installation Tips

  • Disconnect power from the circuit before beginning installation.
  • Confirm the voltage and amperage ratings of the new breaker match the circuit's specifications.
  • Ensure wire terminal connections are firm and secure to prevent overheating.
  • Test the circuit and reset function under a normal load after installation is complete.
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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
  • Saving solution

    Saving solution

    Enjoy the great feeling when your appliances keep clean like new - BlueStars brings DIY solutions to help you deal with any trouble
  • Simple installation

    Simple installation

    BlueStars Thermal Circuit Breaker allows for effortless attachment and detachment
#1 SOURCE OF HIGH-QUALITY REPLACEMENT PARTS

#1 SOURCE OF HIGH-QUALITY REPLACEMENT PARTS

Enjoy your life with our part inside
Color
Black
Material
Plastic / Metal
Rated Current
5A
Rated Voltage
125/250V AC | 32V DC
Poles
1 (Single Pole)
Switch Type
Push Button Manual Reset
Terminals
2-Pin Quick Connect
Interrupt Capacity
1000A
Thread Diameter
~10mm
Button Cap Diameter
~20mm
Operating Temperature
-10°C to +60°C (14°F to 140°F)
Item Dimensions (L x W x H)
28 x 13 x 49mm (~1.1 x 0.5 x 1.93 inches)
Item Weight
~20g

FAQ

These thermal circuit breakers are rated for 5 Amps and are compatible with 125/250V AC and 50V DC power systems. They feature an interrupt capacity of 1000 amps and are designed to operate within a temperature range of -10℃ (14℉) to 60℃ (140℉).
You likely need a replacement if the breaker trips repeatedly under normal load, fails to reset after a trip, or shows visible signs of damage such as melting, discoloration, or a loose internal mechanism. If your equipment loses power intermittently or will not start at all, test the breaker for continuity to confirm if it has failed in the open position.
Installation is straightforward and typically takes 10 to 20 minutes. You will need a wrench or pliers to remove the mounting nut and a screwdriver or crimping tool to disconnect and reconnect the spade terminals. Ensure the power source is completely disconnected before beginning the replacement.
Before installing the new part, inspect the wiring leading to the breaker for signs of heat damage, frayed insulation, or loose connections. A circuit breaker often trips due to an underlying issue, such as a short circuit or a motor drawing excessive current. If the new breaker trips immediately, investigate the connected appliance or motor for mechanical resistance or electrical faults.