Sounder Base

The Integrated Base Sounder comprises of a base sounder with integral mounting base and is for use with SHIELD ranges. It is designed for indoor use.

  • Two tones and two volume ranges 55-75dB(A) and 75-91dB(A)
  • Individual and group addressing
  • Unique acoustic self-test
  • Built-in isolator (SEN-A4005)


Operating voltage 17–28V DC (polarity sensitive)
Protocol pulses 5–9V
Current consumption at 24V switch-on surge <1s1.2mA
quiescent <1.2mA
sounder operated
55–75dB or 75–91dB		 5mA
Maximum sound output at 90° 91dB(A)
Maximum sound output to EN54 83dB(A)
Operating temperature -20°C to 60°C
Humidity (no condensation) 0–95%
IP rating (standard version) 21D
Dimensions (diameter x height) 100 mm x 31.25 mm


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