OS GSO EN 54-4:2011
EN 54-4:1997
Omani Standard
Current Edition
·
Approved on
12 October 2011
Fire detection and fire alarm systems - Part 4: Power supply equipment
OS GSO EN 54-4:2011 Files
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OS GSO EN 54-4:2011 Scope
This standard specifies requirements, methods of test and performance criteria for power supply equipment (see component L of figure 1 of EN 54-1:1996) of fire detection and fire alarm systems installed in buildings. Note: Power supply equipment with special characteristics, developed for particular appli- cations, is not necessarily the subject of this standard and may require further tests.
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