Ajax EN54 FireProtect (Smoke/Sounder) smoke detector with siren, white

Overview

Model: Ajax EN54 FireProtect (Smoke) Jeweller – wireless, addressable smoke detector.
It uses a dual-spectrum optical sensor and a patented smoke chamber that is protected from dust, dirt and insects, allowing more accurate smoke detection and reducing false alarms.
Equipped with HazeFlow 2 algorithm that distinguishes smoke from vapour (“vapor”).
Built-in 85 dB siren and 32 selectable sound patterns, configurable via Ajax app or PRO management software.
Uses Ajax Jeweller radio communication – two-way and secure, range up to 1 700 m
Powered by two CR123A batteries that last up to 5 years without replacement.
Automatic notification when the battery is discharged.
Dimensions: 124 × 124 × 54.2 mm, weight about 294.5 g.
Operating temperature: -10 °C to +50 °C, humidity up to 80%, protection class IP21C, UL 94 V-0 flammability level.
Certificates: complies with EN54-7, EN54-25; smoke detector variants may include EN54-3 (version with audible alarm).

Summary table

Feature	Description
Detector	Dual-spectrum optical smoke detector, tempeture detection
False alarm protection	HazeFlow 2 algorithm, smoke chamber dust/insect-proof
Alert	85 dB siren, 32 sound patterns, synchronised alarm
Side	Jeweller radio up to 1 700 m, AES encryption
Power supply	2 × CR123A batteries, up to 5 years runtime
Physical	124 × 124 × 54.2 mm, ~281 g, black/white
Environment	-10 °C to +50 °C, up to 80% humidity, IP21C
Certificates	EN54-7, EN54-25 (EN54-3 variant), RED compliant