Alarm Acknowledgement Facility

Product Overview

The Alarm Acknowledgment Facility (AAF) is a loop-powered addressable device that helps reduce the costly consequence of an unwanted alarm.


  • Loop Powered Addressable Device
  • Built-in Short Circuit Isolator
  • Easy configuration of Acknowledge and Investigate periods
  • Event logging of AAF sequence
  • Allows a group of detectors to be assigned to a nominated AAF
  • Aesthetically pleasing single gang Clipsal 2000 wall plate
  • Investigate status displayed at FACP and all associated LCDA’s
  • The audible warning is 75dB @ 1m from the built-in buzzer
  • On board visual indication for “polling”, Fire and Fault status
  • Remote ‘Hush’ button input terminals available


Operating Voltage 21 to 28 VDC (loop powered)
Quiescent Current 900µA at 24VDC
Alarm Current <8mA at 24VDC
Address Setting 1 to 126
Dimension Single Gang Clipsal Plate
Material High Impact ABS (white)
Weight 45 grams


Item Numbers

226-0002 Alarm Acknowledgement Facility – Vertical
226-0002C AAF – Vertical with conformal coating
226-0004 Alarm Acknowledgement Facility – Horizontal
226-0004C AAF – Horizontal with Conformal Coating