The Conventional Duct Smoke Detector provides early detection of smoke in the air moving through heating and ventilation (HVAC) ducts in commercial and industrial premises. Its purpose is to prevent the re-circulation of smoke from an area on fire to areas unaffected by the fire when used with a Series 65 or Orbis detector. It provides a volt-free changeover relay rated at 30V, 1A.
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For use with Series 65 or Orbis detectors
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Operates in air speeds of 0.5m/s to 20m/s
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Transparent cover to view detector head LED
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Integral smoke test port
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Volt-free contacts