STX UL864 Range New!
24V UL864 Listed Auxiliary Power Supplies for Fire Systems
Introducing the STX UL864 Range
Elmdene is pleased to announce the launch of the STX UL864 Range, a new series of UL 864 (10th Edition) Listed auxiliary power supplies designed specifically for fire alarm and life safety applications.
Available in 2A and 5A variants, the STX UL864 Range delivers reliable, supervised power to a wide variety of ancillary life safety equipment, including door holders, aspirating detection systems, elevator control interfaces, smoke control systems, beam detectors and communicators. Designed in Britain and built to the requirements of the fire markets in UL regions, the range combines switch mode efficiency with robust battery backup capability in lockable steel enclosures.
Whether you are specifying a straightforward power extension or supporting a more complex life safety installation, the STX UL864 Range offers a dependable, economical solution.
Why the STX UL864 Range?
The STX UL864 Range has been developed to meet the demands of fire system integrators who require a listed, field-ready auxiliary power supply that is straightforward to install, configure and maintain.
Listed for Fire Applications
All models in the range carry UL 864 (10th Edition) Listing for fire applications, giving specifiers and installers the confidence that each unit has been independently tested and certified to the relevant standard.
Comprehensive Battery Management
Battery integrity is central to any life safety application. The STX UL864 Range features a supervised battery charger supporting batteries up to 55Ah, with a selectable charge rate to optimise battery life across different installation scenarios. An integrated battery cut-off circuit protects against deep discharge, helping to extend battery service life and reduce maintenance overhead.
For more details on this product range, including part numbers, please refer to the datasheet below or contact us.









