Detailed description of Ajax EN54 FireProtect Smoke/Sounder Jeweller
Ajax EN54 FireProtect Smoke/Sounder Jeweller is a certified wireless smoke detector with an integrated siren, designed for prompt fire detection and immediate local notification in one compact unit. The device complies with EN 54-7 (smoke detection), EN 54-3 (audible alarm), and EN 54-25 (radio communication) requirements, making it an ideal solution for commercial, public, and infrastructure facilities.
The detector is equipped with a dual-spectrum optical sensor that accurately identifies smoke particles, filtering out false alarms from steam or dust. Upon smoke detection, the device instantly activates its built-in siren with a sound output of at least 85 dB at 3 meters, ensuring prompt local notification even before the signal is transmitted to the central panel.
The device can operate autonomously without connecting to a hub, activating an alarm locally. When integrated with Ajax Fire Hub Jeweller using the secure Jeweller radio protocol, the communication range can reach 1300–2000 m in open space. Thanks to the interconnected alarm function, all system detectors activate their sirens within 20 seconds of smoke detection.
The FireProtect Smoke/Sounder Jeweller comes with a pre-installed battery that provides autonomous operation for 5–7 years. Installation is tool-free thanks to the SmartBracket mount, and tamper protection instantly notifies of any attempt to remove the device or open its casing.
All device parameters, including battery status, signal level, sensor contamination, and unauthorized access attempts, are displayed in Ajax mobile and desktop applications in real time.
The device operates stably in temperatures ranging from –10°C to +50°C and withstands humidity up to 85%. Available in black or white.
Technical specifications of Ajax EN54 FireProtect Smoke/Sounder Jeweller
| Characteristic | Value |
|---|---|
| Device type | Wireless smoke detector with integrated siren (EN 54 certified) |
| Sensor | Dual-spectrum optical sensor |
| Siren output | Built-in siren ≥ 85 dB at 3 m (EN 54-3) |
| Radio protocol | Jeweller, two-way encrypted communication |
| Communication range | Up to 1300–2000 m (depending on site conditions) |
| Certification | EN 54-7 (smoke), EN 54-3 (siren), EN 54-25 (radio communication) |
| Power supply | Built-in battery, 5–7 years autonomous operation |
| Interconnected alarm | Activation of all detectors within 20 seconds |
| Operation without hub | Local alarm without connection to central unit |
| Mounting | SmartBracket mount, tool-free |
| Tamper | Protection against dismantling or opening the casing |
| Integration | Ajax PRO Apps (mobile/desktop applications) |
| Fault monitoring | Battery, signal, sensor status, tamper protection control |
| Operating temperature | From –10°C to +50°C |
| Humidity | Up to 85% |
| Dimensions | 124 × 124 × 45 mm |
| Weight | Less than 200 g |
| Color | White or black |
| Warranty | 2 years |
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