FLM-420-RLV1-E | Bosch Low-Voltage Relay Interface Module
Addressable relay output module for LSN loops
The FLM-420-RLV1 relay interface module connects to Bosch LSN improved loops and provides a potential-free change-over relay contact to switch external low-voltage equipment. Two integrated isolators maintain LSN loop function in the event of wire interruption or short circuit. It is available as an in-built version (FLM-420-RLV1-E) for standard device boxes per EN 60670 and as a DIN-rail version (FLM-420-RLV1-D) per EN 60715. The in-built variant switches up to 1 A at 30 VDC.
Brand: Bosch · Category: Fire Alarm Systems
Key features
- Potential-free change-over contact
- Two built-in loop isolators
- In-built or DIN-rail mounting variants
- Powered directly from the LSN loop
- Automatic or manual addressing
Specifications
| Operating voltage | 15–33 VDC (LSN) |
|---|---|
| Relay contact | Change-over, potential-free |
| Switching current (in-built) | 1 A / 30 VDC |
| Connection | 2-wire LSN element |
| Isolators | Two integrated loop isolators |
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