Smoke Detector

D-A411 Intelligent Photoelectric Smoke Detector is an addressable fire alarm device cooperating with SHIELD intelligent fire alarm control panels to build a fire detection system. It shows fire alarm by LED indicators and transmits the fire signal to the control panel.


Operating Voltage Loop 24V (16V~28V)
Standby Current ≤0.8mA
Alarm Current ≤5.0mA
Indicators Red. Flashes in normal condition. Lights when fire reported.
Remote Indicator Output Directly connect to remote indicator (built-in 5.1kΩ resistor in series. Max. output current is 5.0mA). Quiet in normal condition. Lights in alarming.
Programming Method Electronically programming
Code Range one address within 1～242.
Wiring Non-polarized 2-core for loop.
Polarized 2-core for remote indicator.
Ambient Temperature -10°C～+50°C
Relative Humidity ≤95%, non condensing
Ingress Protection Rating IP23
Material and Color of Enclosure ABS, white (RAL 9016)
Dimensions Diameter: 100mm
Height: 56mm(with base)
Mounting Hole Spacing 45mm～75mm
Weight About 120g
  • Twin LED for 360° view.
  • Electronically addressed in field.
  • Built-in microprocessor stores 14 history data.
  • Drift compensation to suit environment changing extensively.
  • Self-diagnostic.
  • Remote indicator output available.
  • Complies with EN 54-7 standard.

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