Products catalog

  • Wireless heat detector Ajax EN54 FireProtect 119918.273.BL1 (black, without siren)

    • General
    • Product nameAjax EN54 FireProtect (Heat) Jeweller
    • TypeWireless addressable point heat detector
    • Compliance standardsEN 54-5, EN 54-25; Directive 2014/53/EU (RED)
    • Heat detectionTwo thermistors for accurate detection of flaming fires and rapid temperature rise
    • Sensor modesA1, A1R, A1S, B, BR, BS, C, CR, CS, and fixed temperature modes
    • Mode selectionConfigurable via Ajax apps
    • Alarm transmissionTo the CIE in under 3 seconds
    • Alarm typeAcoustic, up to 85 dB at 1 meter
    • Sound pattern32 tones, adjustable via Ajax apps or PRO
    • Alarm synchronizationAcross all sounders connected to the same CIE
    • Communication rangeUp to 1,700 m in open space; connectable to range extender (sold separately)
    • Radio protocolJeweller (automatic power adjustment, frequency hopping, connection loss detection)
    • Radio frequency bands866.0–866.5 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 (region-dependent)
    • Max ERPUp to 20 mW
    • Battery type2 × CR123A (pre-installed)
    • Battery lifeUp to 5 years
    • Battery replacementTool-free, no need to disassemble the enclosure
    • Mounting methodSmartBracket with up to 90° rotation and optional device locking
    • Remote configurationSupported via Ajax apps
    • Operating temperature–10 °C to +50 °C
    • Operating humidityUp to 80%
    • Enclosure colorBlack, white
    • Dimensions124 × 124 × 54.2 mm
    • Weight294.5 g
    • Protection classIP21C
    • Flammability ratingUL 94 V-0
    • CompatibilityWorks with Ajax CIE and range extenders
    • Included in packageEN54 FireProtect (Heat) detector, 2 × CR123A batteries (pre-installed), SmartBracket mounting panel, installation kit, quick start guide