Site Search


Addressable Loop-Powered Base Sounder Beacon

Model YBO-BSB2 is an O Rated AS7240-23 compliant addressable loop powered Base Sounder with integral Beacon, innovatively designed to give a range of tones and volumes with a maximum output of up to 98 dB(A)  (±2 dB(A)) with low current consumption. The unit is designed to fit the Standard Base  (YBN-R/3) or the Isolator Base (YBO-R3/SCI) and can be fitted with any of the ESP Range of Sensors, Beacons or Remote Indicators.

The unit can also be converted into a wall sounder beacon with the simple addition of a Cap(SI/CAP2). The sounder beacon with the simple addition of a Cap(SI/CAP2). The sounder is ingress Protection rated to IP21 and for internal use onlu. An Auto-Shutdown feature allows the user to set a fixed time within which the sounder or beacon will operate, before automatically shutting down, cutting noise pollution in the case of the sounder element*. Sounder and Beacon elements can be operated independently form each other*.

*Dependent on control panel compatibility.


Colours: White, Ivory

  • AS7240-23 compliant
  • O Rated
  • Single Loop Address - Addressed Via TCH-B200 Hand Held Programmer
  • Variable Sound Output 50 ~ 98 dB (A) (± dB (A)) Output At 1 Meter
  • 0.5 or 1Hz flash frequency
  • Fits Hochiki Standard or Isolator Base and supports ESP Sensors, Addressable Beacons and Addressable Remote Indicator
  • 51 User-Selectable Tones Available( all tones as7240-23 compatible)
  • Auto-Shutdown feature prevents noise-pollution
  • Approved to AS ISO AS7240.3