Types Of Thermal Fuse

In a thermal fuse the fuse element hold a mechanical spring contact which is normally closed.

Types of thermal fuse.

They are non resettable so you ll need to replace them once they open choose a fuse based on your device s normal operating temperature and the temperature at which you want the fuse to. Thermal fuses are also called as thermal links or thermal cutouts tco. When high currents due to over current and short circuit flow through the elements of the fuse the fuse elements melts down which lead to release the spring mechanism and prevent the arc and fire and protect the connected circuit. Some thermal switches are also single use but many types can simply be reset.

Aside from thermal fuses many appliances and commercial machinery use thermal switches. A thermal fuse is a cutoff which uses a one time fusible link unlike a thermal switch which may automatically reset itself when the temperature drops the thermal fuse is more like an electrical fuse. 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. A single use device that cannot be reset and must be replaced when it fails or is triggered a thermal fuse is used when the overheating is a result of a rare occurrence such as failure requiring.

The fuse element in a thermal fuse is made up of a temperature sensitive alloy. Thermal fuses are one time only fuses and are basically a temperature sensitive fuses.