Annunciator

Displaying which zone or detector has triggered a fire alarm.

It gives operators an at-a-glance status of equipment, allowing quick identification of issues before they escalate. annunciator

An internal buzzer or external hooter sounds. Displaying which zone or detector has triggered a fire alarm

Can range from small, 8-window units to large, networked systems with 48+ windows or digital screens. 4. Common Applications 8-window units to large

Annunciators monitor field sensors (switches) that detect changes such as high temperature, low pressure, or loss of flow.

Monitoring machinery health, tank levels, and process temperatures.

An operator pushes an "ACK" button to silence the horn, while the light changes from flashing to solid-on. Reset: Once the fault is cleared, the light turns off. 3. Key Features & Functions