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Shield Fire, Safety & Security Ltd

Genesis, Unit 3
Endeavour Drive
SS14 3WF
United Kingdom

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Certificate No 176e-(cl-2) to EN 54-3:2001 + A1:2002 + A2:2006, EN 54-17:2005

Product Description LPCB
Ref. No.

Addressable Type A (indoor) Ceiling Sounder Base with Short Circuit Isolator (Apollo Discovery)


1.   Meets the requirements of EN 54-3 at the following tones:

- Evacuate, 550Hz for 0.5s, 825Hz for 0.5s

- Alternating, 925Hz for 0.25s, 626Hz for 0.25s

- Dutch slow sweep, 500Hz to 1200Hz for 3.5s on, 0.5s off

2.   Can be used as either:

- A stand-alone device with locking white cap (BF330CTLIDW), or red cap (BF330CTLIDR), or

- A stacked sounder base combination with detectors from the Apollo Discovery range





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