brännsäkring

Brännsäkring is a Swedish term that translates to "burn fuse" or "fire fuse." It refers to a protective device designed to prevent overheating and potential fire hazards in electrical appliances and installations. Unlike a standard fuse which melts and breaks a circuit due to excessive current, a brännsäkring is specifically designed to react to high temperatures.

These devices often incorporate a thermal element that melts or deforms when a certain temperature threshold is reached. This melting action then triggers a mechanism that interrupts the electrical flow, thus preventing further heat buildup and the risk of ignition. Brännsäkringar are commonly found in appliances where heat generation is a normal part of operation but can become dangerous if it exceeds safe limits, such as in heating elements, motors, and some types of lighting fixtures.

The precise construction and activation temperature of a brännsäkring can vary depending on the application and the specific safety standards it needs to meet. Their primary function is to act as a fail-safe, providing an extra layer of protection beyond standard overcurrent protection. By responding to heat directly, they can mitigate risks that might not be immediately apparent from current measurements alone.