EN 54 series
The European product standards for fire detection and alarm system components — panels, power supplies, detectors, call points, sounders, isolators and radio devices each have their own part.
Fire Engineering Glossary
Technical terms spanning standards, manufacturers, commissioning, networking, testing and fault finding.
Technical guidance only. Confirm current project requirements against the applicable standards, legislation, system documentation and site-specific fire strategy.
Showing 2 of 2 matching glossary entries.
Isolator module
A loop device that disconnects a faulted section (typically a short circuit) so the remainder of the loop keeps operating.
When the panel shows 'isolator operated', the isolated section is your search area.