Unlike electrical fuses or circuit breakers, thermal fuses only react to excessive temperature and not to excessive current (unless the excessive current is sufficient to cause the thermal fuse itself to heat up to the trigger temperature). For example, in a surge protector thermal fuses may be wired in series with the varistors; when the varistors conduct, the fuse heats up and disconnects the power, which eliminates the risk of fire which can occur when the varistors are overloaded.

APPLICATION
- Air conditioners - Refrigerators
- Freezers - Water Heaters
- Potable Water Heaters - Air Warmers
- Washers - Disinfection Cases,
- Washing Machines - Driers,
- Thermotanks - Electric iron
- Closestool - Rice cooker
- Microwave/Electric oven - Induction cooker