• Eco-friendly
    • Environmentally friendly processing
    • Reusable materials
    • Electronic parts and synthetic materials can be easily separated
  • Sounder base FDSB291 properties
    • Addressed base
    • Adjustable sounds and sound levels, sounds synchronized for all alarm devices
    • Connection for an external alarm indicator
    • Screwless connection terminals
    • No auxiliary supply; supply takes place via FDnet
    • Incl. 2 micro terminals DBZ1190-AA
    • Space for auxiliary terminals; e.g., for connecting an alarm indicator
  • Sounder base FDSB292 properties
    • Collective base
    • One tone, one sound level, no tone synchronization
    • Connection for an external alarm indicator
    • Screwless connection terminals
    • No auxiliary supply; supply takes place via detector line
    • Incl. 2 micro terminals DBZ1190-AA
    • Space for auxiliary terminals; e.g., for connecting an alarm indicator
  • Properties of alarm sounders FDS221-R, FDS221-W
    • Protected electronics, high-quality components
    • Integrated line separator
    • Adjustable sounds and sound levels, sounds synchronized for all alarm devices
    • Screwless connection terminals
    • No auxiliary supply; supply takes place via FDnet
    • Compatible with addressed detector base
    • Option of using base accessories and sealing element
    • Very low operating current
    • Periodic test of acoustic part (inaudible)
    • Monitoring of device status