Siemens
Siemens FDS221-R Addressable Alarm Sounder (Red)
Product Code: FDS221-R
FDS221-R is a red-housed addressable alarm sounder. Due to its high sound level and characteristic tone, the danger signal is distinguished from other building sounds. It is mounted on walls or ceilings along escape routes, corridors, and stairwells. Being addressable, each sounder appears separately on the control panel and can be individually tested and isolated during maintenance.
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Technical specifications
| Architecture | Adresli |
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