Assertion: thermal fuse | /r/HasProperty | single use
Facets:
Source sentences:
text: These can be made using gas, metal contacts, mercury or other mechanisms, but the main difference between a thermal fuse and a thermal switch is that thermal fuses are single use.
text: Unlike a thermal switch which may automatically reset itself when the temperature drops, the thermal fuse is more like an electrical fuse: a single-use device that cannot be reset and must be replaced when it fails or is triggered.
text: Thermal fuses are single use safety devices, which means that they need to be replaced after they have activated, and they should never be replaced without determining the reason the fuse failed.