uesto sito web utilizza i cookie per funzionalità, per adattare e personalizzare la tua esperienza, nonché per analisi, pubblicità e altri scopi. Facendo clic sul pulsante "Accetto", accetti tutti i cookie (compresi i cookie di prime e terze parti). Se desideri limitare o rifiutare i cookie, puoi farlo nel tuo browser web. Puoi anche leggere di più sui cookie applicabili e le tue scelte qui! !


Fire safety products Sounders

Unique ref.: sounders-FNM-420
Produttore: Bosch Security and Safety Systems
Famiglia prodotto: Fire detection devices
Gruppo prodotto: Adressable sounder
Larghezza (mm): 110
Altezza (mm): 110
Profondità (mm): 95
Data di pubblicazione: 2017-07-01
Numero edizione: 1
Tipo: Assembly (multiple objects)
Download (1)

This is just one product of this category for which we offer BIM data. 

All current products with BIM information can be found on our Bosch BIM website: 



The family includes three sounder types with a number of products:

  • FNM-420U Sounders, uninterruptible (FNM-420U-A-WH, FNM-420U-A-RD, FNM-420U-B-RD)
  • FNM-420-B-RD Sounder Outdoor, Red (FNM-420-B-RD)
  • FNM-420-A Sounder Indoor (FNM-420-A-WH, FNM-420-A-RD)

FNM-420U Sounders, uninterruptible:
Sounder for uninterruptible alarm signaling at the location of a fire, for indoor and outdoor areas

FNM-420-B-RD Sounder Outdoor:
analog addressable stand-alone sounder for outdoor use, red

FNM-420-A Sounder Indoor:
analog addressable stand-alone sounder for indoor use

FNM-420U Sounders, uninterruptible:
- Uninterruptible alarm signaling, even in the LSN stub
- Maximum current consumption of less than 4.35mA
- Volume of up to 101.3dB(A)
- Immediate synchronization
- Long life cycle and modern design

FNM-420-B-RD Sounder Outdoor:
- Volume of up to 102.5dB(A)
- Maximum current consumption of less than 4.05mA
- Up to 75 sounders per LSN 0300 A loop and 100 per LSN 1500 A loop
- Immediate synchronization
- 32 different tone types can be selected (incl. DIN tone)

FNM-420-A Sounder Indoor:
- Volume of up to 101.3dB(A)
- Maximum current consumption of less than 4.05mA
- Up to 100 sounders per LSN loop
- Immediate synchronization
- 32 different tone types can be selected (incl. DIN tone)

Operating voltage x 15 V DC to 33 V DC
Quiescent state x less 1.0 mA
Alarm x <4.05 mA

Connections (inputs/outputs) x 0,28 mm² to 2,5 mm²
Dimensions (H x W x D) x 105 x 105 x 95 mm (outdoor: 110 x 110 x 95 mm)
Material x Plastic, ABS
Color x red, similar to RAL 3001 (white, similar to RAL 9010)
Without packaging x 250 g
With packageing x 300 g

Environmental conditions:
Permissible operating temperature x -25 °C to +70 °C (FNM-420 U: -20°C to +70°C)
Permissible storage temperature x -25 °C to +85 °C (FNM-420U: -20°C to +70°C)
Protection class as per EN 60529 xFNM-420-A: IP 42 * (FNM-420-B: IP 66 *) (FNM-420U: ---)

Special features:
Sound pressure level at a distance of 1 m x max. 101.3 dB(A) (FNM-420-B: 102.5 dB(A))
Frequency range x 440 Hz up to 2,90 kHz

Materiale principale: ABS
Materiale secondario:
Progettato in:
Prodotto in:
Peso netto (kg): 0.25

Categoria BIMobject: Fire Products - Protection
Classificazione IFC: Alarm
Nome UNSPSC: Fire alarm systems
Codice UNSPSC: 46191505
Uniclass 1.4 Codice: L76253
Uniclass 1.4 Descrizione: Alarms/sounders
Uniclass 2.0 Codice: PR-16-03-30
Uniclass 2.0 Descrizione: Fire Alarm Sounders
NBS Reference Codice: 16-03-30
NBS Reference Descrizione: Fire Alarm Sounders