Abstract / scope
ISO 7240-4:2003 specifies requirements, test methods and performance criteria for power supply equipment (p.s.e.) for use in fire detection and alarm systems installed in buildings.
ISO 7240-4:2003Withdrawn
Fire detection and alarm systems — Part 4: Power supply equipment
Systèmes de détection et d'alarme d'incendie — Partie 4: Équipement d'alimentation électrique
This edition has been replaced by ISO 7240-4:2017.