Bosch Addressable Fire Siren Base Type FNM‑420‑A‑BS
Bosch Addressable Fire Siren Base Form FNM‑420‑A‑BS Addressable fire alarm device, Bosch fire alarm device used for EN54 system, Fire alarm price list 2020, 12 month warranty, Contact us directly 0917.911.114
Details of Bosch Addressable Fire Siren Base Type FNM‑420‑A‑BS
Indoor Bosch Addressable Fire Siren FNM‑420‑A‑BS is used to signal alarms directly at the fire site. They can be unemployed either as base sound or standalone sound.
- Volume up to 92.1 dB(A)
- Maximum current consumption less than 3.85 mA
- Up to 100 sounds per LSN . loop
- Instant sync
- 32 different tones can be selected (including DIN tones)
Bosch Addressable Fire Siren Function Base Form FNM‑420‑A‑BS
The device allows to choose 32 types of alarm tones (including DIN 33404, part 3) for different requirements. You can adjust the sound pressure in five levels according to the operating environment. Depending on the volume type and volume set, the sound pressures range 65 dB(A) to 92.1 dB(A). Voicers of the same LSN ring and with the sametone type provide instant synchronization. The device maintains LSN loop functions in the event of a wire interruption or short circuit thanks to two built-in isolators. Changes to the device settings can be made in the programming software FSP-5000-RPS.
Specifications Bosch Addressable Fire Siren Base Type FNM‑420‑A‑BS
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