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Terminal box kit

Disconnect kit

Fuse

Fuse, 15hp pump

Fuse block

Fuse

Fuse

Fuse

Fuse

Fuse

Fuse block

Fuse holder

Breaker circuit

Circuit breaker, fan

Fuse
Thermal fuses and breakers protect your Carrier unit from electrical overload and dangerous overcurrent conditions. When your air conditioner won't power on or keeps shutting down unexpectedly, a blown fuse or tripped breaker is often the culprit. These safety parts are designed to fail so your compressor and motors stay protected.
We stock genuine Carrier thermal fuses, cartridge fuses, and reset breakers that match your exact model. Finding the right replacement ensures your unit operates safely and reliably. Need help? Use our Carrier air conditioner fuse parts finder by model number.
Have your model number handy? Enter it above to find your exact Carrier thermal fuse or breaker replacement.
Repeated fuse failure usually signals a deeper issue—dirty condenser coils, blocked airflow, or a struggling compressor drawing excess current. Before replacing the fuse again, check your condenser unit for debris and ensure the blower wheel spins freely. If fuses continue failing, have the compressor amp draw tested by a technician.
A thermal fuse is a one-time protection device that melts and must be replaced each time it blows. A reset breaker can trip multiple times and simply needs to be reset manually. Carrier uses both depending on the model and circuit. Always check your wiring diagram to identify which part you need.
No—never upsize a fuse beyond the rating specified in your model documentation. Oversizing removes the safety protection and risks compressor damage or electrical safety issues. If the correct fuse keeps blowing, the root cause (overheating, short circuit, or motor failure) must be diagnosed and fixed first.
Most Carrier condensers have the fuse cartridge mounted on the contactor panel or control board, often near the transformer. Consult your model's wiring diagram or check inside the electrical disconnect box on the unit itself. If you're unsure, snap a photo of your model number and we can point you to the exact location.


Keep your Carrier air conditioner running smoothly by ordering genuine fuse, thermal fuse, and breaker parts online. Ensure compatibility and quality with our OEM parts, available for same-day shipping. Quickly find the right replacement using our model or part number lookup, and Whether your system isn't powering up or experiencing electrical issues, replacing these parts can often resolve the problem. For more assistance, visit our Carrier Air Conditioner Parts page for a large inventory. Need help with repairs? Access our extensive Air Conditioner Repair Help guides and videos for step-by-step support. Don't let a faulty fuse disrupt your comfort; order online today!
Carrier prints the model number on a nameplate attached to most air conditioners, usually on the side of the outdoor condenser cabinet or behind its access panel. If you have an indoor unit, check the cabinet near the controls or the blower compartment. The label may also list the serial number, electrical ratings, and refrigerant information, so copy the model number carefully and leave out the serial number. Type it into our model number lookup and the catalog narrows to parts made for your unit, across every associated part category. Using the complete model number helps match the right equipment configuration quickly, so you avoid sorting through incompatible options and can move ahead with the repair confidently.

Whether you own a Carrier Air Conditioner or work on one professionally, Repair Clinic's online repair help covers what you need. Start with a symptom guide to narrow the likely cause, then use the model number lookup to confirm the correct replacement part. Written repair instructions and matching videos walk you through each step of the installation for a clean, first-time repair.

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