Registered firefighters 1, 2, and 3 equipment contractors
Registered electrical contractor, registered plumbing contractor
Registered minor works contractor (Levels 2 and 3)
Competent persons for mandatory window inspection programs

Print this page

適馬A-Si

  • The Sigma A-Si range of status indicators provides detailed status information for Sigma A-XT releasing control equipment.
  • All models provide high brightness, LED indication of Manual Only, Automatic and Manual, Abort Operated, Disabled, Imminent and Released conditions. Models are also available with zonal fire indicators and a common trouble indicator.

  • High brightness LED’s
  • Detailed indication of the status of the Control Panel
  • Supervised data connection
  • Countdown shows time remaining until release
  • Manual only and Automatic & Manual mode select
  • Four-wire connection (data and power)
  • Protected dual action manual release switch option
  • Option for zonal fire and trouble indication with buzzer
  • Robust, high quality enclosure
  • Easy access to terminals
  • Remote Auto/Manual door interlock input (supervised)
  • Remote Abort input (supervised)
  • Internal trouble diagnosis indicators

 

Download

Sigma A-SI

 

 

 

 

  • Construction: 1.2mm mild sheet steel
  • IP Rating: IP30
  • Colour - lid & box: Red (optional grey)
  • Power supply: 21 to 30 V DC
  • Maximum current draw: 0.07A
  • Max. number of status units: 7
  • Quiescent current: 0.033A
  • Cable capacity: 2.5mm² per terminal
  • Monitored inputs end of line resistor: 6K8 0.5W Resistor
  • Monitored inputs normal threshold: 8K ohm to 1K ohm
  • Monitored inputs trigger threshold: 700 ohms to 100 ohms
  • Monitored inputs short circuit threshold: 99 ohms to 0 ohms
  • Data connection: Two wire RS485 connection (max 1200 metres)

 

 

  • UL & FM Approved version also available