
Finder · Contact and Monitoring Modules
FF LI500 Datasheet
Turkish
Finder FF LI500 Fire Alarm Short-Circuit Loop Isolator
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Technical documentation
PDFDatasheetFF LI500 Datasheet
Turkish
Product description
FF LI500 is an isolator used in fire alarm systems to limit the effects of short circuits on the loop. It has a two-wire, polarity-independent connection and an LED for status indication.
Key features
- Polarity-independent two-wire connection
- LED indicator
- EN 54-17 certified
- LPCB approved
- CPR certified
Technical specifications
| Operating voltage | 18,5–26 V |
|---|---|
| Operating current | ≤17 mA |
| Operating alarm current | ≤270 mA |
| LED indicator | Yellow; flashes during polling |
| Operating temperature | -10°C to +55°C |
| Storage temperature | -10°C to +55°C |
| Humidity | ≤%95 |
| Size | 86 × 86 × 38 mm |
Information has been compiled from manufacturer/distributor sources. Please consult the documentation for current technical specifications.
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