简要说明：BDL69系列防爆电铃(ⅡB、ⅡC)

防爆电铃
 
适用范围Application 
1区、2区危场所。
IIA、IIB、IIC类爆竹性气体环境.
Can be used in Zone 1 and Zone 2one 2 dangerous places.
Can be used in IIA,IIB 、IICgroup explosive atmosphere.
型号含义Model implication
 
产品特点 Features  
铸铝合金外壳,表面喷塑. 圆筒隔爆面,防爆性能好,安全可靠. 铃碗表面镀铍青铜,打击时不会引起火华.
符合GB3836-2000,IEC60079 标准要求.
The shell is of diecasted Al-alloy with plastic-sprayed surface.
Cylinder enclosure can be well explosion-proof,safe and secure.
The surface of bell is brass plated,which won’t produce sparkle when being hitten.
Suitable for GB3836-2000,IEC60079 standard request.

 
主要技术参数 Main technical parameters 
  公司官方网站；www.yyfbk.com

使用类别Usage
 额定电压（V）Rated voltage
 功率（W）Power 音响强度（dB)Sornd level  铃盖直径Bell cover  防爆标志Ex-mark 防护等级Protection grade  进线口螺纹（G")Protection
grade  电缆外径(Φmm))Cable’s outerdiameter
AC