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Astra-42A

Addressable smoke detector

The detector is designed for detecting fire smoke, forming a notification of a fire and transferring the notification to the Astra-A RPA via Signaling Line Circuit (SLC). Compatible with control panels: Astra–812 Pro or Astra–8945 Pro (firmware version 4_0 or version above).

The detector is designed for detecting fire smoke, forming a notification of a fire and transferring the notification to the Astra-A RPA via Signaling Line Circuit (SLC). Compatible with control panels: Astra–812 Pro or Astra–8945 Pro (firmware version 4_0 or version above).

The detector provides measurement and transmission via SLC according to Astra-A RPA Extender parame-ters:
а) dustiness of the smoke chamber (%)
b) ambient temperature (°С)

  • Astra – 42A is powered by Astra-A RPA Extender

Features

  • dual-ray technology smoke chamber;
  • 4-wire connection;
  • powering from Astra-A RPA (24 V DC);
  • testing by laser pointer Astra-942;
  • transmitting dust/smoke level to the control panel via SLC;
  • transmitting temperature to the control panel via SLC;
  • protective cover in the delivery set.
Name Description
Supply voltage 7.5 to 27.6 V
Maximum current consumption 0.5 mA
Sensitivity 0.05-0.2 dB/m
Response time 10 sec.
Controlled area 110 sq. m
Max installation height 10 m
Overall dimensions 106x60 mm
Operating conditions  
Temperature from -30 to +55°С
Relative air humidity up to 93% at +40°С (without moisture condensation)

Manuals 

42А-v1_7_instr _en.pdf