Key Features
- Built-in Jeweller Communication
- Two built-in thermistors
- Selectable or fixed detector modes
- 85dB sounder
- 32 selectable tones
Overview
The EN54 FireProtect (Heat/Sounder) Jeweller combines accurate thermal detection with a built-in 85dB sounder for a comprehensive fire safety solution.
Utilising dual thermistors to monitor for rapid temperature rises, it eliminates false alarms caused by steam or dust.
This maintenance-free, EN54-certified device features the rotatable SmartBracket for quick alignment and seamless integration into any Ajax system.
Advanced Enclosure Design
The detector’s enclosure is designed for efficiency, featuring a rotatable SmartBracket that ensures perfect 90° positioning. Maintenance is made simple with quick-access, tool-free battery replacement.
To ensure the 85dB sounder remains active and secure, the unit is equipped with standard tamper protection and an optional mechanical locking screw.
Sophisticated Detection Technology
The EN54 FireProtect (Heat/Sounder) Jeweller utilises two high-precision thermistors to detect sudden spikes or exceeded heat limits.
By offering selectable detection classes (A1R, A1S, BR, BS, CS, or Fixed) via the Ajax app, the device can be tuned for maximum accuracy in any setting.
This versatile approach guarantees an immediate response to fire threats, activating the integrated 85dB siren to ensure that critical heat build-up never goes unnoticed.
Audible Alarms
Equipped with an EN54-3 compliant sounder, the FireProtect (Heat/Sounder) Jeweller provides powerful audible signaling with 32 programmable tone patterns.
The device is capable of triggering an interconnected alarm, ensuring that all fire detectors with built-in sirens across the facility synchronise their alerts within moments.
This provides a robust, site-wide notification system that remains fully operational even in the most demanding commercial or residential settings.
Simplified Maintenance
The Ajax PRO Desktop app simplifies system upkeep by generating detailed maintenance logs for all heat and sounder units.
These reports provide a clear overview of communication strength and battery life, allowing service providers to address maintenance needs proactively.
By replacing routine manual checks with automated digital monitoring, you can guarantee system reliability and provide clients with documented proof of operational readiness.
Approvals
Compliant with EN54-5, EN54-3 and EN54-25.
Tech Specs
| Communication | Jeweller Communication Technology |
| Frequency Bands | 866.0–866.5 MHz 868.0–868.6 MHz 868.7–869.2 MHz 905.0–926.5 MHz 915.85–926.5 MHz 921.0–922.0 MHz |
| Maximum Effective Radiated Power (ERP) | 20mW |
| Radio Signal Modulation | GFSK |
| Radio Communication Range | 1700m |
| Encrypted Communication | All stored and transmitted data is protected by block encryption featuring a dynamic key. |
| Frequency Hopping | To prevent radio interference and jamming. |
| Sensitive Element | 2 × thermistor |
| Heat Sensor Modes | A1, A1R, A1S B, BR, BS C, CR, CS Fixed temperature |
| Alarm Type | Acoustic |
| Sound Volume | 85dB/m |
| Sound Pattern | 32 tones |
| Sound Synchronisation | An audible alarm is automatically synchronized on all devices with a sounder connected to the same CIE. |
| Alarm Annunciation Test | An audible alarm check to ensure the fire alarm is clearly audible on the premises. |
| Tamper Button | Fault notification when an attempt is made to remove the device from the mounting panel. |
| Lock For SmartBracket | To secure the device on the SmartBracket mounting panel. When locked, the lock secures the device and prevents it from being removed without a special tool. |
| Protection Against Spoofing | Device Authentication |
| Connection Loss Detection | 36s |
| Battery | 2 × CR123A |
| Tool-free Battery Replacement | To replace the batteries, open the lids of the battery compartments. |
| Reverse Polarity Protection | Prevents device damage if the batteries are put in incorrectly. |
| Recommended Battery Type | Huiderui CR123A 3 V 1600mAh LiMnO₂ |
| Calculated Battery Life | 5 years |
| Dimensions ( W x H x D ) | 124mm × 124mm × 48mm |
| Weight | 278g |
| Operating Temperature Range | 0 °C to +50 °C |
| Operating Humidity | 80% |
| Protection Class | IP21C |
| Flammability Rating | UL 94 V-0 |
| Colour | Black White |
| Complete Set | EN54 FireProtect (Heat/Sounder) Jeweller SmartBracket mounting panel 2 × CR123A battery (pre-installed) Installation kit Quick start guide |
| Revision | 1 |
Downloads
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