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Sounder interbase with supplementary optical indication (C-NET)

Stock no. S54372-F14-A1

Stock no. S54372-F14-A1

The sounder interbase DBS729 and the detector compose a single unit, which already has a base and is mounted on ceilings, e.g. in hotel rooms, hospitals and nursing homes.

The sounder interbase serves for acoustic alarming. In case of a fire alarm, the base triggers an acoustic signal. The configuration of the interbase DBS729 allows in addition an alarming in the addressed FS720 fire detection system. Sound level and luminous intensity are adjustable, sounds are synchronized with all alarm devices.

For all point detectors of the series Cerberus PRO FD720.

No auxiliary power supply required; power is supplied via C-NET.

For recess mounting. For surface mounting, cable diameter up to 8 mm.




EN 54-3 Type B, EN 54-17

Protection category


Operating voltage

DC 12...33 V

Operating temperature

-25...+65 °C

Storage temperature

-30...+75 °C

Relative humidity

≤95 % rel.

Quiescent current

250 μA

Sound intensity

80...87 dBA

Light intensity

1.27...3.2 cd

Communication protocol


Cable capacity

0.2...1.6 mm2

System compatibility


Dimensions (Ø x H)

127 x 52 mm


~RAL 9010, Pure white / translucent


BP720 Blanking plate, FDBZ291 Designation plate, LP720 Detector locking device