Bosch · Sounders and Beacons
Bosch FNM-420U Continuous Indoor Sounder, White
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Product description
Bosch FNM-420U is an analogue addressable sounder for fire alarm systems in indoor areas. It can provide continuous alarm signals even when connected via an LSN stub and features instant synchronisation.
Key features
- Maximum current consumption is below 4,35 mA
- Maximum sound level of 101,3 dB(A)
- Instant synchronisation
- Continuous alarm signals on an LSN stub
- White for indoor use
Technical specifications
| Operating voltage | 15–33 VDC |
|---|---|
| Operating temperature | -20–70 °C |
| Storage temperature | -25–85 °C |
| Dimensions (H × W × D) | 105 × 105 × 95 mm |
| IP rating | IP42 |
| Colour | White |
| Material | Plastic |
| Weight | 295 g |
Information has been compiled from manufacturer/distributor sources. Please consult the documentation for current technical specifications.
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