220V防爆声光报警器（ⅡB） 
 
BBJ-220V防爆声光报警器适用范围 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. 
BBJ-220V防爆声光报警器型号含义 Model implication 
BBJ-220V防爆声光报警器产品特点 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GB3836-2000，IEC60079标准要求。                                    Suitable for GB3836-2000,IEC60079 standard request
 
BBJ-220V防爆声光报警器主要技术参数 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                    
                        
 外形及安装举例 Outline example
 
                                                      座式(z) Socket                            吊杆式(g) Pendant