Ajax EN54 FireProtect (Heat/Smoke) WH – Wireless Heat & Smoke Fire Detector, EN 54, Jeweller 1700 m
Ajax wireless addressable heat and smoke detector certified to EN 54-5/-7/-25, with a dual-spectrum optical sensor, two thermistors and up to 1,700 m Jeweller range. White.
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Description
The Ajax EN54 FireProtect (Heat/Smoke) Jeweller in white (WH) is a wireless addressable point heat and smoke detector for indoor installation. It is part of the Ajax EN54 Line and communicates with the control and indicating equipment (CIE) via the secure Jeweller radio protocol. It connects directly to the EN54 Fire Hub Jeweller, so no extra modules or wiring are required.
Key features
- Standards: EN 54-5 (heat detectors), EN 54-7 (smoke detectors), EN 54-25 (wireless components) and BOSEC
- Smoke detection: patented smoke chamber with a dual-spectrum optical sensor and the HazeFlow 2 algorithm, which responds only to smoke
- Heat detection: 2 thermistors; classes A1, A1R, A1S, B, BR, BS, C, CR, CS or fixed temperature. Modes A1R, A1S, BR, BS, CR and CS meet EN 54 requirements
- Detection modes: independent mode (either sensor triggers an alarm), smoke-only or heat-only
- Communication: Jeweller radio protocol, up to 1,700 m range in open space, frequency hopping to protect against interference and jamming
- Sabotage protection: device authentication, connection loss detected after 36 s (depends on Jeweller settings)
- Power supply: 2 × CR123A batteries (3 V, LiMnO₂), pre-installed; tool-free battery replacement; no external power supply required
- Setup: easy installation plus remote configuration and monitoring in the Ajax apps (fire zone, room, sensor mode)
- Colour: white
The detector suits wireless fire systems in commercial, public and residential buildings where quick installation and EN 54 compliance matter.
Attributes
- Type of sensor
- Heat, smoke, CO
