Bosch FLM-420-NAC-S Surface-Mounted Signal Device Interface Module
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Product description
FLM-420-NAC-S is a surface-mounted interface module used to connect conventional signal devices to an LSN fire alarm system. Its single monitored output line monitors the signal device line and supports synchronous activation of connected devices. 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
- Ten selectable output signal options via LSN
- Two integrated isolators
- Surface-mounted enclosure
Technical specifications
| Operating temperature | -20 – 50 °C |
|---|---|
| Storage temperature | -25 – 80 °C |
| Input voltage | 15 – 33 VDC |
| Dimensions (H × W × D) | 126 × 126 × 71 mm |
| Equipment class (IEC 62368-1) | III |
| Colour | White |
| Material | Plastic; trim ring: polycarbonate/ABS |
Information has been compiled from manufacturer/distributor sources. Please consult the documentation for current technical specifications.
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