用途 Application
This series exploding isolation type acousto-optic combined combined electrical bell used for mining is applicable to coal mine where has explosive dangerous gas and coal dust In all kinds of system,work as sound and optic signal,proceed connect or operating signal of electricity signals
技术参数 Technical parameter
 额定电压 Rated voltage 36V 127V
 额定电流 Rated current 0.9A 0.35A
 频率 Frequency 50Hz 50Hz
 音响半径 Acoustics radius 150m 150m
 重量 Weight 4.5kg 4.5kg