Sounder
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).
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Features
- High sound level, over 75dB at 3m ahead horizontally (A weighted).
- Circuitry and base are twisted together.
- Standard: EN 54-3.
Specifications
| Operating Voltage | 24VDC |
|---|---|
| Operating Current | ≤65mA |
| Wiring | 24VDC power line, polarity-sensitive |
| Minimum Sound Level | 75dB |
| Sound Pattern | 2.8kHz (400ms on/340ms off) |
| Ingress Protection Rating | IP33 |
| Operating Temperature | -10 °C to +50°C |
| Relative Humidity | ≤95%, non condensing |
| Material and Color of Enclosure | ABS, red (PANTONE 1795C) |
| Dimension (L×W×H) | Dia. 110mm×97.5mm (deep base) Dia. 110mm×83mm(shallow base) |
| Mounting Hole Spacing | 55mm to 80mm |
| Weight | About 345g (deep base), About 317g(shallow base) |
