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EN54 FireProtect (Sounder)
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EN54 FireProtect Jeweller sounders and VADs are a fusion of signature Ajax user experience and EN 54-certified reliability. Within three seconds of a fire alarm, they deliver audible, visual, or combined alerts. Regardless of the version, the devices are equally suited for wall or ceiling mounting. Installation itself takes just minutes — no disassembly required, with built-in communicators already in place. Maintenance is just as effortless, thanks to real-time monitoring, early low-battery warnings in Ajax apps, and swift battery swap.
- Versatile installation: wall or ceiling
- Able to interconnect fire detectors (all fire detectors in the system turn on built-in sirens if at least one of the detectors registers an alarm)
- 100dB siren built-in
- Operates up to 5 years without battery replacement
| Technical Specifications | |
| Classification | Radio channel addressable fire alarm sounder |
| Installation method | Indoors and outdoors |
| Compatibility | Operates with EN54 Fire Hub or Fire ReX |
| LED indication | Red/Yellow/Green |
| Sound volume | Up to 100dB at a distance of 1m (adjusted in the App) |
| Sound pattern | 32 tones |
| Sound synchronisation | An audible alarm is automatically synchronised 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 |
| Jeweller radio technology | Communication range with central unit: up to 1,700 m in an open space Two-way communication between devices Operating frequencies: 868.0 - 868.6 MHz Self-adjusting RF output power: up to 20 mW Block encryption based on AES algorithm Device polling period: 12−300 s |
| Power supply | Battery: 4x CR123A batteries Power supply voltage: 3V Battery life: up to 5 years |
| Permissible humidity | Up to 80% |
| Operating temperature range | -10°С to +50°С |
| Anti-sabotage | Protection against fraud Jamming detection Tamper-resistant Lock for SmartBracket |
| Dimensions | 145mm x 145mm x 51mm |
| Weight | 527g |
| Certification | CE, IP54, UL 94 V-0, EN54-3, EN54-25 |
