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KMC CAE-1003 CAE-1103 Duct Smoke Detectors

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CAE series duct smoke detectors provide early detection of smoke and products of combustion in air moving through HVAC ducts in commercial, industrial, and residential applications. These detectors are designed to prevent the circulation of smoke by the air handling systems, fans, and blowers. Complete systems can be shut down in the event of smoke detection. Ionization and photoelectric modes are available.

Both models include two alarm contacts, trouble contact and outputs for remote accessories such as horns, strobes, remote status indicators and test/reset switches or pushbuttons.

Additional key features include round duct, or flat surface duct mounting, smoke tested with cover on, cover removed trouble indicator, magnet test capability (magnet included), reset and test are same switch that is accessible with cover on, and front loading sample tubes.

The intake sampling and the 7 in. (178 mm) long exhaust tubes are front loaded and extend into the duct. The intake sampling tube is available in three different lengths and must be ordered separately.


  • Low-flow technology

  • Flashing LED indicates normal operation

  • Two sets of 10A form C alarm contacts

  • One set of 2A form A alarm contacts

  • One set of 10A form C trouble contacts

  • Outputs for remote accessories*

* Accessories such as horns, strobes, remote status indicator and test/reset switches or push-buttons.



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