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Line fuse 20a 250v

Microwave Ceramic Line Fuse

This is a Genuine Replacement Part. General Electric (GENF0) WB27X10195 Microwave Thermo protector.

Fuse-cartridge

Thermoprotector, MAG
A blown thermal fuse is one of the most common reasons a Samsung electric range stops heating. The thermal fuse is a one-time safety device — once it trips from excessive heat, it must be replaced. Unlike a traditional fuse, it cannot be reset. If your Samsung range won't heat at all but the burners light and the control panel responds, the thermal fuse is the first part to check. We carry OEM Samsung thermal fuses, high-limit switches, and safety cutoff breakers that restore your range to full operation.
Beyond the thermal fuse itself, Samsung ranges rely on several interconnected safety devices. A high-limit switch monitors oven temperature and shuts off power if heat climbs too high — usually a sign of airflow restriction or a deeper control board issue. Always verify that your oven vent is clear before replacing safety parts. Many thermal fuse failures are actually symptoms of a blocked vent or faulty temperature sensor, not the fuse itself.
The thermal fuse blows when oven temperature climbs dangerously high — usually above 350°F inside the oven cavity. Common causes include a blocked vent ductwork, a failed high-limit switch that didn't shut off, or a bad temperature sensor sending false readings to the control board. Self-cleaning cycles are notorious for blowing thermal fuses because they reach extreme temperatures. Always check your vent path and clean any lint before assuming the fuse itself has failed.
Thermal fuses cannot be reset — they are one-time safety devices. Once the metal inside melts from heat, the circuit opens permanently. You'll need to replace the fuse with an OEM Samsung part. Do not attempt to bypass, bridge, or reuse a blown fuse. The fuse is your range's last line of defense against safety risks. Using the correct OEM thermal fuse ensures it activates at the right temperature for your specific Samsung model.
If your range won't heat but the stovetop burners light and the control panel displays normally, the thermal fuse is very likely blown. You can visually inspect the fuse for a visible break or burn mark inside the glass or ceramic body — a dark char spot confirms failure. If you have a multimeter, test for continuity across the fuse terminals; zero continuity means it's blown. Always unplug the range before testing or replacing any electrical part.
Before or after replacing the fuse, check your oven vent ductwork for blockage — lint, bird nests, or debris restrict airflow and cause dangerous heat buildup. Test the high-limit switch (it should click and reset as oven temperature rises and falls). If your oven temperature is consistently wrong, the temperature sensor may be failing and sending bad signals that cause overheating. Enter your Samsung range model number to locate the correct thermal fuse, high-limit switch, and temperature sensor for your specific appliance.


Ensure your Samsung stove operates safely with genuine OEM fuse, thermal fuse, and breaker parts from Repair Clinic. These critical parts protect your appliance from overheating and electrical surges, maintaining reliable performance. Utilize our model number lookup tool to find the right parts for your Samsung stove, and benefit from our same-day shipping, No-Hassle 365-Day Returns, and Price Match Guarantee. For troubleshooting or installation guidance, visit our Oven Repair Help page. You can also find additional options through our dedicated Samsung Stove Parts collection.
On Samsung range, stove, and oven units, look for the model-number tag along the oven door frame first. Depending on the design, you may find it behind the storage drawer or on the side of the door. Open the door fully and check the label carefully because the model and serial numbers may appear together. Record the full model number, including letters, slashes, or suffixes. Then punch it into the search bar to sort the catalog down to your model's parts. This filters the complete Samsung Range/Stove/Oven selection across every part category, not just fuses or safety parts. With the exact model entered, you can compare compatible parts confidently and avoid ordering a part meant for a similar unit.

Repair Clinic's online repair resources give you a clear path to fix your Samsung Range Stove Oven without a service call. Symptom articles help identify the likely cause, part testing videos confirm the failed component, and step-by-step repair guides walk you through the installation with photos and video. Look up your model number to match the correct OEM part on the first try.

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