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  1. ›
  2. Fire Solutions
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  4. Standalone
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  6. Wireless Smoke and Heat Detector
  7. ›
  8. Wireless Interconnected Smoke Alarm
  9. Wireless Interconnected Smoke Alarm
    Dahua

    Wireless Interconnected Smoke Alarm

    Stock Code: HY-SA30A-R8-B

    Detects smoke and sounds every alarm in the group at the same time.
    A photoelectric smoke alarm that forms a wireless group of up to 24 units and carries an alarm from one point to the whole group. The 868 MHz radio link reaches up to 1000 m in open air. The built-in lithium battery lasts 10 years and installation needs no extra cabling.
    85 dB(A) at 3 mAlarm volume
    24Interconnected units
    868 MHzOperating frequency
    1000 mRadio range (open air)
    10 yearsBattery life
    20 m² – 40 m²Coverage area
    Key features
    85dB(A)
    Audible alarm level
    The sound level at 3 m spreads the warning across the home.
    24units
    Wireless group alarm
    When one detector sees smoke, every unit in the group sounds together.
    1000m
    Wide radio range
    The link between units holds over long distances in open air.
    10years
    Maintenance-free battery
    The built-in lithium battery runs for the life of the unit and needs no replacement.
    9s
    Frequent sampling
    The sensor scans the air at regular intervals and catches smoke early.
    12min
    One-button silence
    A single button silences the unit temporarily on a false alarm.
    EVERYDAY USE
    Easy installationCeiling mounting needs no extra cabling and the battery comes ready inside the unit.
    Status lightA green indicator marks standby while a red one marks alarm and fault.
    Remote silenceAn infrared remote silences a high-mounted unit without a ladder.
    CE listed; complies with EN 14604:2005+AC:2008.
    Smoke Detection
    Working Principle Photoelectric
    Collection Type Smoke
    Sampling Period 9 s
    Alarm
    Alarm Type Smoke alarm, fault alarm, low battery warning
    Alarm Volume 85 dB(A) at 3 m (9.84 ft)
    Alarm Mode Visual and audible alarm
    Silencing Function Yes
    Silence Duration 12 min
    Infrared Silence Yes
    Pre-Set Alarm Value 0.2 dB/m - 0.3 dB/m
    Basic Parameters
    Indicator Light Alarm, fault and operation indicator
    LED Instructions Standby: Green indicator flashes once per minute; Alarm: Red indicator flashes once per second; Fault: Red indicator flashes once per minute; Low battery warning: Red indicator flashes once per minute
    Operating Frequency 868 MHz
    Radio Signal Range Up to 1000 m (3280.84 ft) in open air
    Maximum Number of Interconnected Units 24 pcs
    Coverage Area When the height of the space is less than 8 m (3.28 ft), the protection area of a device is 20 m² - 40 m²
    Power Supply
    Battery Life 10 years
    Power Source 3V CR123A lithium battery (non-replaceable)
    Operating Current Monitoring current: ≤ 15 µA (avg.); Alarm current: ≤ 25 mA (avg.)
    Operating Ambient
    Operating Environment Indoor
    Operating Temperature -10°C ~ +55°C (+14°F ~ +131°F)
    Operating Humidity ≤ 95% RH (non-condensing)
    Appearance
    Color White
    Casing PC+ABS
    Dimensions φ98 mm × H43.1 mm (φ3.85" × H1.70")
    Weight 138 g (0.30 lb)
    Installation Ceiling Mount
    Certification
    Certifications TÜV and CE listed
    Compliance Standard EN 14604:2005+AC:2008

    Datasheet

    EN

    pdf9/18/2025

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