Visual and acoustic warning devices SL-21
Visual and acoustic warning devices for visual and acoustic signalling of alarm conditions
SL-21 sirens are designed for visual and acoustic signalling of alarm conditions on 12 V DC alarm outputs of MD, MDP, MDD type control modules or WG.NG and AirTECH type detectors.
The sirens have a splash-proof construction, i.e. they can be used both inside and outside buildings.
Features
- Piezoceramic acoustic transducers;
- two jumper-adjustable sound levels;
- light source: high-performance LEDs;
- extremely high durability and reliability;
- very low power consumption;
- independent control of acoustic and visual signalling, 3 terminals;
- splash-proof housing - for outdoor use.