Finder · Detectors
FF-OT250A Datasheet
Turkish
Finder FF-OT250A Optical Smoke and Heat Detector with Integrated Short-Circuit Isolator
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Technical documentation
PDFDatasheetFF-OT250A Datasheet
Turkish
Product description
Used for optical smoke and heat detection in addressable fire alarm systems. Features dual optical detection, thermovelocimetric detection and AND/OR operating modes. Includes an integrated short-circuit isolator and a five-minute event log memory for events preceding an alarm.
Key features
- Dual optical smoke detection
- Rate-of-rise heat detection at 58°C
- Integrated short-circuit isolator
- AND and OR operating mode options
- Three-colour LED indicator with 360° visibility
- Optical chamber protected against dust and insect ingress
Technical specifications
| Operating voltage | 18–27 V |
|---|---|
| Standby current | 190 µA (at 24 V) |
| Alarm current | 6 mA (LED active) |
| Dimensions | 60 × 110 mm |
| Weight | 120 g |
| Operating temperature | −30°C to +70°C |
| Humidity | 5–95%, non-condensing |
| Certifications | EN 54-7, EN 54-5 and EN 54-17 |
Information has been compiled from manufacturer/distributor sources. Please consult the documentation for current technical specifications.
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