S-C480 Conventional Sounder is a kind of audible alarm device used to warn people in field when fire occurs. It can give audible alarm when applied to 24VDC power (D1 connected with anode and D2 with cathode).
- High sound level, over 75dB at 3m ahead horizontally (A weighted).
- Circuitry and base are twisted together.
- Standard: EN 54-3.