BAK51系列隔爆型防爆视孔灯（IIB）
 
 适用范围 Application
 1区、2区危险场所。                                                   
 ⅡA、ⅡB、类爆炸性气体环境。             
 可配装白炽灯                                       
   
 产品特点 Features
铸铝合金外客，压铸成形，表面喷塑。        
视孔灯可根本用户要求做成聚光式，但在     
定货时请注明。                                                        
钢管或电缆布线均可                                         
符合GB3836-2000，IEC60079标准要求         

 主要技术参数 Main technical parameters
           防爆标志                 防护等级                    电缆外径（￠,mm）                   进线口螺纹（G"）                 灯座代号                  质量（kg）
            Ex-mark                   Protection                     Cable’s outside                   Inlet’s thread                   Lamp socket             Mass      
                                             grade                             diameter 
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          Exd Ⅱ BT4                 IP55                                10～14                                            3/4                                     E27                             1.75
 配用光源 Supplied with lamps  外形尺寸 Outline dimension
  产品型号                                     额定电压（v）                            白炽灯额定功率（w）
    Type                                          Rated voltage                                Rated power
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  BAK51-40                                                                                                   40
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  BAK51-60                        AC 220/50Hz及以下And below                       60
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  BAK51-100                                                                                                  100            
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  BAK51-150                                                                                                  150
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 BAK51-200                                                     200