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Signaling Device Interface Modules Signaling Device Interface Modules FLM‑420‑NAC-D Signaling Device Interface Modules make it possible to monitor and activate a group of signaling devices (NAC = Notification Appliance Circuit) in the Local SecurityNetwork LSN. FLM‑420‑NAC‑D for surface-mounting with housing.
Each interface module offers one monitored primary line. This means one signaling device line can be connected to LSN fire panels. The following can be connected: Sounders, strobes, horns.
FLM‑420‑NAC-D Bosch Addressable Fire Alarm System (EN 54) 1.000 đ SoldOut
  • Signaling Device Interface Modules

    FLM‑420‑NAC-D
  • FLM‑420‑NAC-D Signaling Device Interface Modules make it possible to monitor and activate a group of signaling devices (NAC = Notification Appliance Circuit) in the Local SecurityNetwork LSN. FLM‑420‑NAC‑D for surface-mounting with housing.
    Each interface module offers one monitored primary line. This means one signaling device line can be connected to LSN fire panels. The following can be connected: Sounders, strobes, horns.

  • Manufacturer: Bosch
  • Origin: China
  • Download:
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- Rotary switches for automatic or manual address setting
- Control of signaling device line by pole reversal
- Synchronized activation of all signaling devices connected to a LSN module via FLM‑420‑NAC Signaling Device Interface Module
- Ten different output signals via LSN selectable
- Maintains LSN loop functions in the event of wire interruption or short-circuit thanks to two integrated isolators
- FLM‑420‑NAC‑D for installation on a DIN rail with adapter


>>> Learn more: Bosch Addressable Fire Alarm System
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