Sounder Beacon Base

Product Overview

The Sounder Beacon Base is a loop-powered sounder and beacon combined with a standard Intelligent Mounting Base. It is used to signal a fire alarm in enclosed areas. The Sounder Beacon Base can be used either with a detector fitted or with a cap for operation as a stand-alone alarm device.


  • Two volume ranges via DIP switch
  • Beacon flash rate as per AS1670.4
  • Synchronisation of ‘alert’ and ‘evacuate’ tones
  • Synchronisation of beacon flash
  • Individual and group addressing
  • Unique acoustic and beacon self-test
  • Enables DDA compliance


Voltage (Polarity Sensitive) 17 – 28V DC
Quiescent Current (inc Beacon) 300µA at 24V DC
Max Current 8mA at 24V DC
Max Sounder Output 91dB(A)
Operating Temperature -20°C to +60°C (no icing)
Relative Humidity 0 to 95% (non condensing)
IP Rating IP21D (indoor use)
Size 115mm Dia x 38mm H
Weight 160 grams


Item Numbers

45681-330AMP Sounder Beacon Base with Isolater
45681-292 White Cap