Annunciator

Accepts normally open (NO) or normally closed (NC) dry contact inputs.

An annunciator is a centralized monitoring system—visual, audible, or both—designed to provide immediate alerts about abnormal conditions, faults, or status changes in industrial processes, electrical systems, or fire safety networks. annunciator

Displaying which zone or detector has triggered a fire alarm. Accepts normally open (NO) or normally closed (NC)

The corresponding annunciator window flashes, usually in red or amber. or status changes in industrial processes

Electrical system monitoring for faults and voltage issues.

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