Sounder Beacons EN54-3 and EN54-23 Approved VADs: Notifier Fire Systems
EN54-23 certified Visual Alarm device already part of Teletek Electronics fire alarm range - Teletek Electronics
FireClass Addressable Open Class Beacon Sounder Red Indoor FC410LPBS-R EN54- 23 Approved | Addressable Fire Alarm Sounder and Beacons | Fire Security UK Limited
EN 54-23 standard for visual alarm - Pfannenberg
EN54-23 approved wall beacon now available! | SIS Fire and Gas