sirens Power: Three-phase 380V Connection: Rated Rotational Speed: 2960/Minute Average Sound Intensity: more than 132dB/5

We can provide sirens used in  Civil Defense,disaster prevention and flood control and  enable us successfully market over differ

Rated Power: 4 KWPower: Three-phase 380VConnection: Rated Rotational Speed: 2960/MinuteAverage Sound Intensity: ≥132dB/5MSound Frequency: 480±20HzStarting Time: ≤3  Second

sirens