Wireless fire alarms
EN54-certified wireless fire alarms for commercial sites.
The Ajax EN54 Line for commercial, industrial and vacant buildings, installed and supported by CSC Security, a Registered Ajax installer. No cabling to run.
A fire alarm without the cabling
The Ajax EN54 Line is a fully wireless fire detection and alarm system for commercial sites. Detectors, sounders and call points talk to the control panel over Ajax’s Jeweller radio, so there is no cabling to run and no programming. Ajax says each device takes minutes to fit and a system goes in within hours, not days.
That matters on a vacant or newly repossessed building, where fire detection is often the slowest thing to put in, and in occupied buildings where cabling work is disruptive.

What the system does
Figures below are Ajax’s published specifications for the EN54 Fire Hub Jeweller control panel.
Alarms in under 3 seconds
Alarms reach the panel or the monitoring station in under 3 seconds, with the device name, location and time. Users also get instant push notifications.
Up to 200 devices, 40 zones
One panel handles up to 200 devices and 40 fire zones, with up to 5 Fire ReX range extenders and up to 64 automation scenarios.
Long radio range
Up to 1,800 m in open space for the panel, and up to 1,700 m for detectors. Ajax publishes an industrial-scale warehouse case study.
Stays connected
Ethernet or Wi-Fi as the main channel, with two backup SIM cards on 2G/4G and automatic switching.
Remote monitoring
Events go to Ajax PRO Desktop or third-party monitoring software over SIA DC-09 or SurGard (Contact ID).
Faults and testing
Faults and low batteries are flagged automatically, testing can be done remotely and maintenance reports are produced automatically.
Who it suits
Commercial, industrial and vacant property where cover is needed quickly.
Receivers & insolvency practitioners
Fire detection is often the slowest thing to put into a newly taken-over building. A wireless system avoids cabling works on day one.
Lenders
Cover for repossessed and defaulted commercial security property, with alerts and maintenance reports you can keep on file.
Vacant buildings
Remote monitoring and push alerts when nobody is on site, with automatic fault and low-battery warnings.
Occupied & heritage buildings
No cable runs through finished or sensitive interiors, so installation causes less disruption.
The range
- EN54 Fire Hub Jeweller: touchscreen control and indicating equipment, up to 200 devices and 40 zones
- EN54 FireProtect Jeweller: smoke, heat and combined detectors, sounders and visual alarm devices
- ManualCallPoint (Red) Jeweller: resettable, wireless manual call point
- EN54 I/O Module (2X2) Jeweller: connects third-party equipment
- EN54 Fire ReX Jeweller: radio range extender
Standards, as published by Ajax
EN54 Fire Hub Jeweller: EN 54-2, EN 54-4, EN 54-13, EN 54-21, EN 54-25 and EN 50131 Grade 2. EN54 FireProtect detectors and sounders: EN 54-3, EN 54-5, EN 54-7 and EN 54-25, depending on model. ManualCallPoint (Red) Jeweller: EN 54-11, EN 54-13 and EN 54-25.

Fire and intruder in one Ajax system
The EN54 Fire Hub can also run Ajax wireless intruder devices, cameras and photo verification: one panel and one app. It can work as a stand-alone fire panel or as a combined fire, intruder and video system.
Installed and supported by CSC
CSC Security is a Registered Ajax installer. We install and support the system, and we attend within 2 hours across London after a break-in or alert. One contractor for your site.
Alarm and CCTV monitoring is provided through a professional monitoring centre.
Request a site survey
Tell us about the building and we will arrange a free site survey and quote. Out of hours, call our 24/7 emergency line on 0800 099 6100.