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Smoke & Heat Detector: ZDD-309SH

Smoke & Heat Detector-4 Wire

MODELZDD-309SH

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  • Detecting smoke & fire when danger

  • Dust-proof, moth-proof

  • Durable Head & Smoke Sensor

  • Sound & flash alarm /LED indicator

  • Adopted MCU auto-processing technology, stability improved

  • Designed to comply with EN54-7, UL268

Wired Smoke & Heat Detector: Is a high-sensitivity photoelectric smoke detector for fast detection of slow, smoldering Smoke&Fire when Danger, Can be used independently to alarm, or can be used with the system to send the sign to the main panel. Self-detecting, no wrong report.  It is designed for a wide range of residential and commercial applications where reliable smoke detection is required. like: room, hall, kitchen, party, no smoking place, Hotel, Factory...etc


Achieving superior smoke detection sensitivity levels, our smoke detector provides early warning of developing fire. When smoke is detected, it issues both sound and transmitte alarms. It transmits supervisory reports to the wireless control panel or receiver at regular intervals – ensuring system integrity and functionality at all times.


- Dust-proof, moth-proof, anti-light interference
- Durable Head & Excellent smoke Sensor
- Sound & flash alarm /LED indicator
- Infrared photoelectric sensor with mute function
- Adopted MCU auto-processing technology, stability improved
- Designed to comply with EN54-7, UL268


  • Operating Voltage: 9~35VDC battery ; Alarm current: <30mA, Standby: <10uA

  • Alarm Output: Relay output N.O/N.C.

  • Smoke Alarm Density: 2.06%/ft; Alarm Temp: 57°C(135°F)

  • Installation Method: Ceiling Mounted

  • Operating Temperature: -4°C ~ +38°C; Operating Humidity: ≦90%RH

  • Dimensions: 102mm(Dia)*45.5mm(H); Packing box: 13*13*5cm; Weight: 0.125kg/pc


Package Contents: 

  • Standard Exporting Packing Box