Fire detection and alarm systems — Part 4: Power supply equipment
NORM herausgegeben am 23.11.2017
Bezeichnung normen: ISO 7240-4:2017-ed.2.0
Ausgabedatum normen: 23.11.2017
Zahl der Seiten: 25
Gewicht ca.: 75 g (0.17 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
Description / Abstract: ISO 7240-4:2017 specifies requirements, test methods and performance criteria for power supply equipment (PSE) for use in fire detection and alarm systems installed in buildings. For the testing of other types of the PSE, this document is intended to be used only for guidance. The PSE with special characteristics, developed for specific risks, are not covered in ISO 7240-4:2017.