The AT-SS204 Sounder & Strobe Alarm is a professional fire alarm device integrating a high-output siren and bright flashing strobe light. It offers a powerful 95–115 dB sound level with synchronized light output, ensuring quick recognition of emergency conditions even in noisy environments.
With both AC 220 V and DC 12–28 V input options, the AT-SS204 can be installed in a wide range of commercial and industrial systems. The robust ABS enclosure provides excellent resistance to dust, moisture, and impact. Its compact structure and two-wire connection design make installation quick and maintenance simple.
Ideal for modern fire detection and safety networks, the AT-SS204 supports visual and audible evacuation warnings for factories, power plants, tunnels, storage facilities, and other large-scale infrastructure projects.
Combined sound + strobe fire alarm device
High-intensity LED flash and loud 100 dB sound output
Dual-power input: AC 220 V / DC 12–28 V
Durable ABS housing, IP-rated waterproof design
Low-power, long-life, and stable performance
Fast wall-mount installation and easy maintenance
| Item | Specification |
|---|---|
| Operating Voltage | 220 ± 10 % VAC / 12–28 V DC |
| Sound Pressure Level | 95 – 115 dB (adjustable) @ 1 m |
| Flash Frequency | 120 times / minute |
| Alarm Current | ≤ 110 mA @ 220 VAC / ≤ 110 mA @ 24 V DC |
| Operating Temperature | –10 °C ~ +50 °C |
| Material / Color / Size | ABS / Red / 128 × 122 × 100 mm |
Fire alarm and evacuation systems
Industrial safety signaling
Commercial building protection
Public facility warning systems
Power plants and tunnel environments
