
Bosch · Detectors
Bosch FAS-420-TM Addressable Aspirating Smoke Detector
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Product description
The FAS-420-TM is an analogue addressable aspirating smoke detector that detects smoke by drawing air samples through a pipe system. It is designed for single-pipe installations in fire detection systems. Intelligent signal processing and airflow monitoring help prevent false alarms and detect blockages or breaks in the pipe system.
Key features
- Multicolour LED indicators for operation, fault and alarm status
- High immunity to false alarms with intelligent signal processing
- Airflow monitoring detects blockages and breaks
- Easy installation and commissioning with plug-and-play functionality
- Two integrated isolators
- Connection to a pipe system with 8 sampling holes, 40 m or 2 × 25 m long
Technical specifications
| Operating temperature | -20 – 60 °C |
|---|---|
| Dimensions (H × W × D) | 222 × 140 × 70 mm |
| Weight | 800 g |
| Input current | 120 mA |
| Auxiliary current | 90 – 125 mA |
| LSN current consumption | 6,25 mA |
| Operating relative humidity (non-condensing) | %0 – 95 |
| LED colours | Red, yellow, green |
| Material | Plastic |
Information has been compiled from manufacturer/distributor sources. Please consult the documentation for current technical specifications.
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