Bosch · Contact and Monitoring Modules
Bosch FLM-420-NAC-D Signal Device Interface Module, DIN Rail
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Product description
FLM-420-NAC-D is an interface module used to connect conventional signal devices to an LSN fire alarm system. It has a single monitored output line and is mounted on a DIN rail using its adaptor. In the event of a cable break or short circuit, its integrated isolators help maintain the operation of the LSN circuit.
Key features
- Single monitored output line for conventional signal devices
- Automatic or manual address setting
- Signal device line monitoring by polarity reversal
- Synchronous activation of connected signal devices
- Selectable 10 output signal via LSN
- Two integrated isolators and DIN rail adaptor
Technical specifications
| Operating temperature | -20 – 50 °C |
|---|---|
| Storage temperature | -25 – 80 °C |
| Input voltage | 15 – 33 VDC |
| Dimensions (H × W × D) | 110 × 110 × 48 mm |
| Equipment class | III (IEC 62368-1) |
| Colour | White |
| Material | Plastic; trim ring: polycarbonate/ABS |
| Installation | DIN rail mounting with adaptor |
Information has been compiled from manufacturer/distributor sources. Please consult the documentation for current technical specifications.
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