NO POWER / DEAD MICROWAVEF61456N60AP Panasonic Thermal Protector for Microwaves, Restores Overheat Safety Cutoff
🇺🇸 Matching U.S. Part Number: F61456N60AP

F61456N60AP is a genuine Panasonic microwave thermal protector or thermal cut-off. It replaces B61454050AP, B61455500AP, F61455E60XN, F61456N00AP and cross-brand service reference WB21X10130 (GE reference — not a Panasonic production number).

The protector monitors temperature at its installed location and interrupts the electrical circuit when excessive heat is detected. Panasonic service documentation identifies this component as a 150°C thermal cutout on applicable models.

A failed protector may indicate another problem — blocked airflow, a failed cooling fan, or an overheated component. Diagnose and correct the underlying condition before returning the microwave to service. Replacing the protector will not correct the condition that originally caused overheating.

Is This the Right Part?

Confirm the complete model number before ordering. Similar thermal protectors can have different trip temperatures, reset characteristics, terminals, and mounting arrangements.

Common Symptoms

• Microwave completely unresponsive — no display, no operation
• No power after an overheating event or extended run cycle
• Microwave stops mid-cycle and will not restart
• Intermittent operation caused by a damaged connection at the protector terminals
• Power not reaching protected microwave circuits

Check Before Replacing

• Test the line fuse first — a blown fuse produces identical symptoms and is a more common failure
• Check all door-interlock switches — a failed switch will prevent any operation
• Inspect wiring and terminals at the protector for heat damage or loose connections
• Confirm incoming power voltage is correct at the outlet
• Check the cooling fan and air passages for blockage — restricted airflow is a common cause of protector failure

Part Details

Installation Notes

1. Unplug the microwave and allow it to sit unplugged for at least 60 seconds before opening the cabinet — high-voltage capacitors can retain a lethal charge.
2. Photograph all wiring, terminal positions, and mounting before removal.
3. Compare the replacement protector with the original — confirm trip temperature, terminal layout, and mounting arrangement.
4. Inspect the cooling fan, air passages, and surrounding components for damage or blockage.
5. Reconnect terminals securely and test the microwave before reassembly.

Microwave ovens contain high-voltage components that can retain a dangerous electrical charge after the appliance is unplugged. Service should be completed by a qualified microwave technician. Do not substitute a similar-looking protector unless the temperature rating, electrical rating, terminal layout, mounting arrangement, and model fitment are verified.

Verified Compatible Models

NNG354MF, NNG354MFR, NNH264BF, NNH264BFR, NNH264QF, NNH264SF, NNH264SFR, NNH264WF, NNH264WFR, NNH275BF, NNH275QF, NNH275SF, NNH275WF, NNH504BFR, NNH504WFR, NNH624BFR, NNH624WFR, NNH625BF, NNH625WF, NNH635BF, NNH635WF, NNH645BF, NNH645WF, NNH665BF, NNH665WF, NNH735BF, NNH735WF, NNH765BF, NNH765WF, NNH935BF, NNH935WF, NNH965BF, NNH965WF, NNH965WFB, NNP294BF, NNP294SF, NNP294WF, NNP295BF, NNP295SF, NNP295WF, NNP794SFR, NNP994SFR, NNS254BF, NNS254BFR, NNS254SFR, NNS254WF, NNS254WFR, NNS255BF, NNS255WF, NNS505BF, NNS505WF, NNS635BF, NNS635WF, NNS645BF, NNS645MF, NNS645WF, NNS655BF, NNS655WF, NNS735BF, NNS735WF, NNS754BFR, NNS754WFR, NNS755BF, NNS755WF, NNS935BF, NNS935WF, NNS955BF, NNS955WF, NNSA646M, NNSA647B, NNSA647W, NNSA746M, NNSD667S, NNSD696S, NNSD697S, NNSD767B, NNSD767S, NNSD767W, NNSD787S, NNSD986S, NNSD987SB, NNSN656S, NNSN657S, NNSN667B, NNSN667W, NNSN667WB, NNSN676S, NNSN747S, NNSN756B

Fitment reminder: Match the complete model number, including suffixes and revision digits, before ordering. Confirm the original protector's temperature rating, terminals, and mounting arrangement before ordering.