
Bosch · Sounders and Beacons
Bosch FNM-420-A-WH Indoor Addressable Sounder, White
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Product description
FNM-420-A-WH is an analogue addressable sounder used to provide audible alerts indoors in fire detection systems. Up to 100 devices can be connected per LSN loop, and one of 32 different tones can be selected.
Key features
- Maximum sound level of 101,3 dB(A)
- Maximum current consumption below 4,05 mA
- Up to 100 sounders per LSN loop
- Instant synchronisation
- 32 tone options
- White plastic housing
Technical specifications
| Operating voltage | 15–33 VDC |
|---|---|
| Operating temperature | -25–70 °C |
| Storage temperature | -25–85 °C |
| Dimensions (H × W × D) | 105 × 105 × 95 mm |
| Protection rating | IP42 |
| Weight | 250 g |
| Colour | White |
| Material | Plastic |
Information has been compiled from manufacturer/distributor sources. Please consult the documentation for current technical specifications.
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