
Finder · Sounders and Beacons
FF-LS250A Datasheet
Turkish
Finder FF-LS250A Addressable Sounder with Integrated Short-Circuit Isolator
Request a quote for pricing and availability. Installation, commissioning and compatibility checks with your existing system are also available.
Technical documentation
PDFDatasheetFF-LS250A Datasheet
Turkish
Product description
Designed for use in addressable fire alarm systems, this sounder has an integrated short-circuit isolator. It provides a sound output of 107 dB and has an IP65 protection rating. The removable terminal block and deep base make installation and loop wiring easier.
Key features
- Integrated short-circuit isolator
- 107 dB sound output level
- IP65 protection rating
- Removable terminal block
- Deep-base design
- Certified to EN 54-3 and EN 54-17
Technical specifications
| Supply voltage | 18–27 V |
|---|---|
| Standby current | 130 µA |
| Alarm current | 20 mA |
| Power consumption | 0,2 W |
| Sounder activation voltage | 24 VDC |
| Sound output level | 107 dB |
| Operating temperature | −10°C to +55°C |
| Protection rating | IP65 |
| Dimensions | Ø100 mm × 92 mm |
| Humidity | %85 RH |
Information has been compiled from manufacturer/distributor sources. Please consult the documentation for current technical specifications.
Request a site survey and quote for your project
Tell us about your building, existing system and requirements; together, we can determine the right solution.




