AJAX EN54 FireProtect (Heat) black: wireless heat detector for the EN54 line
The EN54 FireProtect (Heat) is an addressable heat detector that forms part of the Ajax EN54 fire detection system and communicates securely via Jeweller.
The detector is supervised by the Ajax Fire Hub and reports quickly and reliably to the control panel, the Ajax apps and the alarm receiving centre. Installation, configuration and tests are carried out via the app.
Why choose the EN54 FireProtect (Heat)
Accurate detection
Two thermistors respond to a fixed temperature threshold and to a rapid temperature rise.
Few false alarms
The sensor is tuned to genuine fire characteristics, which helps limit unnecessary alarms.
Wireless and addressable
Secure two-way communication via the Ajax Jeweller protocol; each device is individually identifiable in the control panel.
Battery powered
Runs on pre-installed batteries, no external power supply required.
Quick installation
Mounting with SmartBracket; pairing, configuration and testing via the app.
Ease of maintenance
Automatic self-tests, status monitoring, tamper detection and management via the Ajax PRO app.
Technical specifications
| Detection | |
| Type | Heat detector |
| Sensor | Two thermistors (fixed threshold and rapid temperature rise) |
| EN54-klasse | EN 54-5, EN 54-25 |
| Siren | No (separate sounder or VAD available) |
| System | |
| Protocol | Ajax Jeweller, secure two-way communication |
| Addressing | Addressable and supervised per device |
| Control panel | Ajax Fire Hub required (EN54 line) |
| Security | Tamper detection and continuous supervision |
| Power supply and mounting | |
| Power supply | Pre-installed batteries, no external power supply |
| Mounting | SmartBracket mounting panel |
| Management | Ajax PRO app, automatic self-test and fault notification |
Differences between the EN54 FireProtect detectors
Compare smoke and heat detectors with or without a built-in sounder. All variants work wirelessly within the Ajax EN54 fire system.
| Product | Standards (EN 54) | Smoke detection | Heat detection | Audible alarm |
|---|---|---|---|---|
| EN54 FireProtect (Smoke) | EN 54-7, EN 54-25 | Yes | – | – |
| EN54 FireProtect (Smoke/Sounder) | EN 54-7, EN 54-3, EN 54-25 | Yes | – | Yes |
| EN54 FireProtect (Heat)this model | EN 54-5, EN 54-25 | – | Yes | – |
| EN54 FireProtect (Heat/Sounder) | EN 54-5, EN 54-3, EN 54-25 | – | Yes | Yes |
EN 54-7 = point smoke detector, EN 54-5 = point heat detector, EN 54-3 = fire alarm sounder (acoustic), EN 54-25 = wireless components. All devices are wireless and communicate with the EN54 Fire Hub (CIE).
In the box
EN54 FireProtect (Heat)
The detector itself.
SmartBracket
Mounting plate for wall or ceiling mounting.
Installation kit
Screws and wall plugs for mounting.
Pre-installed battery
The batteries are already installed in the detector.
Quick start guide
Quick start guide to get started quickly.
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