Alarm sounder with supplementary optical indication

- Standard: 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: 11
- 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: FDnet/C-NET
- Terminals: According to detector base
- Ext. alarm indicator: 2
- System compatibility: FDnet -> FS20, AlgoRex, SIGMASYS C-NET -> FS720