EN54 FireProtect (Heat/Sounder) Jeweller

Wireless addressable heat detector with a built-in fire alarm sounder. Designed for indoor fire detection based on temperature rise or fixed heat thresholds within Ajax systems.

Device compatibility

Works with Ajax control and indicating equipment (CIE) and compatible range extenders.

Communication

Technology: Jeweller wireless protocol

Key features:

• Two-way communication

• Encrypted data transmission with dynamic key

• Instant alarms and notifications

• Remote 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 sales region)

Maximum radiated power: up to 20 mW
Radio modulation: GFSK

Communication range:
up to 1,700 m in open space between the detector and control panel or range extender.

Security features:

• Encrypted communication

• Frequency hopping to prevent interference or jamming

Heat detection

Sensor type: 2 × thermistor

Detects dangerous temperature levels according to EN 54-5 heat detector classes.

Heat sensor modes:

• A1, A1R, A1S

• B, BR, BS

• C, CR, CS

Fixed temperature detection: configurable depending on installation location.

EN54-compliant modes:
A1R, A1S, BR, BS, CR, CS.

Alarm annunciation

Alarm type: acoustic sounder

Sound level: up to 95 dB at 1 m

Sound patterns: 32 tones

Sound synchronization:
All connected devices with sounders trigger simultaneously.

Alarm test:
Allows audible alarm testing to ensure alarms are clearly heard on site.

Installation

• Designed for indoor use only

• SmartBracket mounting panel allows rotation up to 90° after installation

Sabotage protection

• Tamper button detects removal from mounting panel

• SmartBracket lock prevents unauthorized removal

• Device authentication protects against spoofing

Communication loss detection: after 36 s (depending on Jeweller settings)

Power supply

Batteries: 2 × CR123A (pre-installed)

Battery type: Huiderui CR123A, 3 V, 1,600 mAh (LiMnO²)

Battery life: up to 5 years

Battery replacement: tool-free access

Reverse polarity protection: prevents damage if batteries are inserted incorrectly.

Enclosure

Dimensions: 124 × 124 × 48 mm
Weight: 278 g

Operating temperature: 0 °C to +50 °C
Operating humidity: up to 80%

Protection class: IP21C
Flammability rating: UL 94 V-0

Color:

• Black

• White