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Optical smoke detector for smoke extraction systems


The Optical Smoke Detector SLR-E3NF HOCHIKI allows early detection of smoke particles emitted by the combustion of materials entering its detection chamber using the Tyndall effect. Its high-performance analysis chamber guarantees great stability in the face of atmospheric elements, enabling rapid detection of the start of a fire before flames appear

Technical specifications :

  • Operating voltage: 9.5 to 30 Vdc
  • Operating temperature: -10°C to +50°C
  • Storage temperature: -30°C to +60°C
  • Material / Colour :ABS - Ivory
  • Protection rating: IP 40 / IK 07
  • Quiescent current: 35 µA(max)
  • Alarm current: 40 mA(max)
  • Action indicator current: 20 mA(max)
  • Dimensions: Diameter 100 mm - H 47 mm
  • Maximum humidity 95% RH - non-condensing (at 40°C)
  • Weight: 150 g
  • Reference : 11620

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