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Alarm sounder with supplementary optical indication, red

Stock no. A5Q00023093

Stock no. A5Q00023093

Acoustic alarming in case of a fire alarm with supplementary optical indication, clearly recognizable as danger signal. To be mounted on the wall or on the ceiling along escape routes, corridors, staircases. Only applicable with addressable detector base. Power is supplied via FDnet/C-NET, no auxiliary power supply required. Monitoring of device status.

For recess supply line. For surface supply line up to cable 6 mm in diameter with base FDB221, otherwise use the base attachment or the base attachment wet.

The base must be ordered separately.




EN 54-3, EN 54-17

Protection category

With base FDB221 and base attachment FDB291 mounting on the wall with cable feed from bottom -> IP43, otherwise IP42.
With base FDB221 and sealing element FDBZ295 -> IP44.
With base attachment wet FDB295 -> IP54.

Operating voltage

DC 12...33 V

Number of flashing pattern

1 (intermittent)

Operating temperature

-25...+55 °C

Operating current

3.5 mA (sound activated)
3.5 mA (optical indication activated)
7.0 mA (sound and optical indication activated)

Number of sounds


Storage temperature

-30...+75 °C

Relative humidity

≤95 % rel.

Quiescent current

250 μA

Sound intensity

80...99 dBA

Light intensity

1.27...3.2 cd

Communication protocol



According to detector base

Ext. alarm indicator


System compatibility

FDnet -> FS20, AlgoRex, SIGMASYS
C-NET -> FS720

Dimensions (Ø x D)

100 x 43 mm


Transparent red


FDBZ293 Detector locking device