Analogue Addressable Extinguishant Status Indicators



Designed specifically for Syncro XT and Syncro XT+ extinguishing control panels, the Sigma Si system status indicator provides indication and control at any entrance to a protected area.

Syncro Si status indicators are “addressable” and loop powered and are designed to be connected to the detection loop of Syncro XT or Syncro XT+ extinguishing control panels, offering the installer significant savings in installation time.

Main features

  • Reduced installation costs
  • Loop powered & wired directly onto either detection loop
  • Optional mode select keyswitch
  • Protected dual action manual release switch option
  • Robust, high quality enclosure
  • Only compatible with Apollo protocol Syncro XT and Syncro XT+ control Panels
  • Weatherproof version available


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