Description

BS EN 54 is a European Standard on fire detection and fire alarm systems. It aims to establish operationally efficient safety equipment and systems that play a positive role during a fire emergency.

The 23rd part of the multi-series that specifies the requirements, test methods, and performance criteria for visual alarm devices in a fixed installation intended to signal a visual warning of fire between the fire detection and fire alarm system and the occupants.

Scope

This Part of BS EN 54 is intended to cover only those devices which derive their operating power by means of a physical electrical connection to an external source such as a fire alarm system.

This Part of BS EN 54 applies only to pulsing or flashing visual alarm devices, for example, xenon beacons or rotating beacons.

BS EN 54-23 is not intended to cover visual indicators, for example, those on detectors or on the control and indicating equipment.