Fusible Link1624655
Fusible links consist of mechanical and electrical devices.
A mechanical fusible link is a device consisting of two strips of metal soldered with each other with a fusible alloy that is developed to melt at a specific temperature, thus permitting the two pieces to separate. Mechanical fusible links are utilized as the triggering device in fire sprinkler systems and mechanical automatic door release mechanisms that close fire doors in warehouses, and so on. Some high-security safes also make use of fusible link-based relockers as a defense against torches and heat-producing tools. Mechanical fusible hyperlinks come in a variety of designs and various temperature ratings.
An electrical fusible link is a type of electrical fuse that is constructed merely with a brief piece of wire usually 4 American wire gauge sizes smaller than the wire that is becoming protected. For example, an AWG 16 fusible link might be utilized to protect AWG 12 wiring. Electrical fusible links are typical in high-present automotive applications. The wire in an electrical fusible link is encased in high-temperature fire-resistant insulation to decrease hazards when the wire melts.
