Ajax EN54 FireProtect (Smoke) Jeweller Black – Wireless Smoke and Heat Detector

Ajax EN54 FireProtect (Smoke) Jeweller Black – Wireless Smoke and Heat Detector

 

119922.275.BL1 # 119922 | Ajax EN54 FireProtect (Smoke) Jeweller is a black detector. These wireless rate-of-rise devices, certified according to EN54 standards, are designed to accurately detect smoke and heat in residential, commercial and industrial environments. Thanks to dual-spectrum optical sensors and high-precision thermistors, they distinguish smoke from steam and detect fires with rapid temperature changes. They offer secure radio communication up to 1,700 m, battery life of up to 5 years and integrated acoustic signaling. The patented detection chamber is resistant to dust, insects and dirt, minimizing maintenance. Simple installation via the SmartBracket panel and full management via the Ajax app. Ideal for projects of any size, they guarantee reliability and continuous protection.

Technical Data Sheet

referencia : 119922.275.BL1

brand : Ajax Systems

EAN: 4823114069277

Manufacturer Object ( [id] => 31 [name] => Ajax Systems [description] =>

Establecido en 2011, Ajax Systemconstruye sistemas inalámbricos de incendio y alarma con la tecnología inalámbrica JEWELLER que le permite monitorear de manera segura todos los dispositivos de red conectados. Ajax System ofrece soluciones para el hogar, la oficina o las actividades comerciales, gestionables a través de la App, siempre actualizadas y compatibles con los sistemas iOS y Android. Los sistemas de alarma de Ajax System son fáciles de instalar, de hecho sólo toma 15 segundos conectar la unidad de control a los sensores. Además, pueden integrarse con las cámaras de vigilancia, tienen un margen de error casi nulo y, en caso de peligro, en menos de 150 milisegundos envían una notificación (sms, push o call).

[short_description] =>

Ajax SystemsAjax Systems


Los sistemas de alarma Ajax system utilizan la última tecnología inalámbrica que hace que todos los productos sean fiables y estén siempre conectados. Además de su excelente rendimiento, los sistemas de alarma Ajax se distinguen por su diseño moderno y elegante.

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119922.275.BL1 | WIRELESS SMOKE DETECTOR


Ajax

The Ajax EN54 FireProtect(Smoke) Jeweler, 119922.275.BL1 , is a wireless detector certified to EN54 standards, designed for fast and accurate detection of smoke and heat. Thanks to dual-spectrum optical sensors and built-in thermistors, they distinguish smoke from steam and detect fires with temperature variations. They offer secure radio communication up to 1,700 m, battery life of up to 5 years, and built-in acoustic signaling. The patented detection chamber is resistant to dust, insects, and dirt, reducing maintenance. Simple installation with the SmartBracket panel and full management via the Ajax app.

Main specifications:

- Dual-spectrum optical sensors and high-precision thermistors

- Radio communication up to 1,700 m

- Battery life up to 5 years

- Dust and insect resistant detection chamber

- Integrated acoustic signalling

- EN54 certified for professional use

Further details

✅ Communication :
It uses Jeweller radio technology for a secure and stable connection up to 1,700 meters in open terrain, with alarm transmission to the control panel in just 3 seconds. It supports connection to repeaters (optional) to extend coverage and integrates automatic power adjustment, frequency hopping, and connection loss detection to ensure constant reliability.
✅ Smoke Detection :
Equipped with a dual-spectrum optical sensor and a patented dust, insect, and dirt-resistant chamber, it detects smoke based on the size of particles in the air. The HazeFlow 2 algorithm analyzes the data and accurately distinguishes smoke from vapor, reducing false alarms.
✅ LED indication:
It features highly visible LED indicators to indicate operating status, alarm activation, and any faults. The lighting is designed to be clearly visible even in low-light conditions.
✅ EN54 Standard:
Compliant with European standards EN54-7, EN54-5 and EN54-25, it guarantees certified quality and safety for professional applications in residential, commercial and industrial contexts.

Technical data sheet

119922.275.BL1
Capacity
Communication
Jeweler communication technology Proprietary wireless communication technology to transmit commands, alarms, and events.
Key features:
  • Two-way communication
  • Advanced sabotage protection
  • Block encryption featuring a dynamic key
  • Instant notifications
  • Remote control and configuration in Ajax apps
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
Depends on the sales region.
Maximum effective radiated power (ERP) up to 20 mW
Automatic power control to reduce power consumption and radio interference.
Radio signal modulation GFSK
Radio communication range up to 1,700 m
up to 5,550 ft
Between the CIE and connected devices (in an open space). Maximum range depends on the connected device.
Encrypted communication All stored and transmitted data are protected by block encryption featuring a dynamic key.
Frequency hopping To prevent radio interference and jamming.
Smoke detection
Sensitive element dual-spectrum optical sensor
Detects smoke based on the size of particles in the air.
False alarm protection The device does not respond to water vapor.
Patented smoke chamber Protects the smoke sensor from dust, dirt, and insects.
Additional features
LED indication red
yellow
green
For indicating detector states: fire alarm, functionality testing, etc.
Installation recommendations The device is designed for indoor use only.
The SmartBracket mounting panel allows the detector to be rotated up to 90° even after installation.
Sabotage protection
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 after 36 s
Detection time depends on Jeweler settings
Power supply
Battery 2 × CR123A
Pre-installed
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; 3V; 1,600 mAh, LiMnO₂
Calculated battery life up to 6 years
Enclosure
Dimensions 124 × 124 × 48 mm
4.87" × 4.87" × 1.90"
Weight 281 g
9.91 oz
Operating temperature range from 0 °C to +50 °C
from 32 °F to 122 °F
Operating humidity up to 80%
Protection class IP20
Flammability rating UL 94 V-0
Color Black
Complete set EN54 FireProtect (Smoke) Jeweller
SmartBracket mounting panel
2 × CR123A battery (pre-installed)
Quick start guide
Warranty 24 months
All our products are in conformity with the in force CE normative (read here). To ask for a copy of the certification fill out this form

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