The component shown in the illustration would be installed in which of the following types of fire detection systems? Illustration SF-0004

Correct Answer: Option B — Fixed temperature

Fixed temperature fire detectors operate by sensing a specific ambient temperature threshold, typically using a fusible link or bimetallic element that melts or deforms to close a circuit. This mechanism is distinct from rate-of-rise sensors, which trigger based on the speed of temperature change rather than a static set point.