Bosch FLM-420/4-CON-S Surface-Mounted Conventional Interface Module
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Product description
This module is used to connect 2- or 4-wire conventional detectors to an LSN system. It monitors two primary lines for alarms, short circuits and cable faults; the lines can be connected as two separate stubs or a single loop. It is supplied in a surface-mount enclosure and features integrated isolators that help maintain LSN loop operation in the event of line faults.
Key features
- Compatible with 2- or 4-wire conventional detectors
- Two primary lines
- Connect the lines as two stubs or one loop
- Separate detector parameter programming for each stub
- Monitors for alarms, short circuits and cable faults
- Two integrated isolators
Technical specifications
| LSN operating voltage | 15–33 VDC |
|---|---|
| Input voltage | 15–33 VDC |
| Output voltage | 23,5–30 VDC |
| LSN current consumption | 8,5 mA |
| Operating temperature | -20–55 °C |
| Storage temperature | -25–80 °C |
| Dimensions (H × W × D) | 126 × 126 × 71 mm |
| Weight | 390 g |
| Operating relative humidity (non-condensing) | %0–95 |
| Colour | RAL 9003 bright white |
Information has been compiled from manufacturer/distributor sources. Please consult the documentation for current technical specifications.
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