Tech specs
EN54 FireProtect (Heat/Smoke) Jeweller
Wireless addressable point heat and smoke detector

Communication
Jeweller 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 5,550 ft
Between the device and control and indicating equipment (CIE) or a range extender in an open space.
Encrypted communication
All stored and transmitted data is protected by block encryption featuring a dynamic key.
Frequency hopping
To prevent radio interference and jamming.
Dangerous temperature detection
Sensitive element
2 × thermistor
According to the EN 54-5 requirements for heat detectors of Class A1, B, and C with rate-of-rise (R) and static (S) response types.
Heat sensor modes
- A1, A1R, A1S
- B, BR, BS
For better detection of fire hazards, depending on the installation site of the device. Can be selected in the device settings. Only the following heat sensor modes are compliant with EN 54 requirements: A1R, A1S, BR, and BS.
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.
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 Jeweller 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; 3 V; 1,600 mAh, LiMnO₂
Calculated battery life
up to 6 years
Enclosure
Dimensions
4.87" × 4.87" × 1.90"
Weight
9.81 oz
Operating temperature range
from 32 °F to 122 °F
Operating humidity
up to 80%
Protection class
IP20
Flammability rating
UL 94 V-0

Color
Black

White

Complete set
EN54 FireProtect (Heat/Smoke) Jeweller
SmartBracket mounting panel
2 × CR123A battery (pre-installed)
Installation kit
Quick start guide
Revision
1