CBBJ系列防爆声光报警器（ⅡB）
适用范围 Application
1区、2区危险场所。
ⅡA、ⅡB类爆炸性气体环境。
Can be used in Zone 1 and Zone 2 dangerous places.
Can be used in IIA、IIB、group explosive atmosphere.
型号含义 Model implication
产品特点 Features
铸铝合金壳体,表面喷塑。 The shell is of diecasted A1-alloy with plastic-sprayed surface.
钢化玻璃罩，具有较强的抗冲击能力，并有红，黄， The enclosure is made of toughened glass with well impulsion-withs-
蓝等我咱颜色可供选择。 tanding,and its color can be freely selectde.
钢管或电缆布线均可。 Suitable for steel pipe and cable wiring.
符合GB，IEC60079标准要求。 Suitable for GB,IEC60079 standard request
主要技术参数 Main technical parameters
额定电压(v) 闪光次数 声音强度(dB) 防爆标志 防护等级 电缆外径(￠,mm) 进线口螺纹(G")
Rated voltage Sparkling frequency Sound strength Ex-mark Protection Cable's outside Inlet's thread
grade diameter
--------------------------------------------------------------------------------
220V/50Hz 150/min ≥50 Exd Ⅱ BT4 IP54 10～14 G3/4