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  8. Addressable Heat Detector
  9. Addressable Heat Detector
    Dahua

    Addressable Heat Detector

    Stock Code: HY-2311-RE

    Tracks temperature increase and recognizes fire by heat
    The addressable heat detector monitors ambient temperature continuously and weighs a fixed 62°C ± 3°C threshold together with a dynamic rise rate of 1 to 30 K/min. It supports a remote indicator and is designed in accordance with the EN54-5 standard.
    150 m²Coverage below 4 m
    62°C ± 3°CFixed Detection Threshold
    A2RSensor Class
    DC 24VOperating Voltage
    –10°C to +50°COperating Temperature
    EN54-5Compliance Standard
    Key features
    Heat detectionIt evaluates the fixed 62°C ± 3°C threshold alongside a temperature rise rate of 1 to 30 K/min.
    CoverageIt covers 150 m² at installation heights below 4 m and 80 m² between 4 m and 12 m.
    Remote indicatorIt supports a remote indicator connection and signals an alarm through the indicator LED.
    Low currentStatic current stays at 250 µA or below and alarm current at 350 µA or below.
    Easy installationIt mounts on the ceiling, and non-loosening screws on the base terminal speed up the work.
    Durable contactsThe contact material resists acid and rust.
    Technical Specification
    Surveillance AreaInstallation height below 4 m: 150 m²
    Installation height between 4 m and 12 m: 80 m²
    Remote Indicator SupportYes
    Working PrincipleHeat detection
    Sensor ClassA2R
    Fixed Detection Threshold62°C ± 3°C (144°F ± 37.4°F)
    Dynamic Detection1 to 30 K/min
    Alarm ModeIndicator light alarm
    Operating VoltageDC 24V
    Operating CurrentStatic current: ≤ 250 μA
    Alarm current: ≤ 350 μA
    Operating Temperature–10°C to +50°C (14°F to 122°F)
    Operating Humidity≤ 95% RH (no condensation)
    Dimensions (with base)Φ100 mm × 46.3 mm
    Weight (with base)102 g (0.22 lb)
    InstallationCeiling Mount
    Compliance StandardEN54-5
    Response Time Limits (Rate of Rise of Air Temperature)
    K/minLower Limit (min)Lower Limit (s)Upper Limit (min)Upper Limit (s)
    1290460
    3713160
    549100
    1020530
    2010313
    30040225

    Datasheet

    HY-2311-RE

    17/21/2025

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