90.20 Standard under periodical review Jan 15, 2025
ISO
ISO/TC 21/SC 3 Fire detection and alarm systems
International Standard
13.220.20 Fire protection
Published
This document specifies the requirements, test methods and performance criteria for audible alarm devices intended to signal an audible warning, with or without voice messages between a fire detection and fire alarm system and the occupants of a building.
This document specifies fire alarm audible alarm devices for two types of application environment, type A for indoor use and type B for outdoor use.
This document is not applicable to:
a) loudspeaker-type devices primarily intended for emitting emergency voice messages that are generated from an external audio source;
b) supervisory audible alarm devices, e.g. within the control and indicating equipment.
WITHDRAWN
ISO 7240-3:2010
PUBLISHED
ISO 7240-3:2020
90.20
Standard under periodical review
Jan 15, 2025