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

 BAK51主要技术参数 Main technical parameBAK51ters 
          BAK51 防爆标志                 BAK51防护等级                    BAK51电缆外径（￠,mm）                   BAK51进线口螺纹（G"）                BAK51 灯座代号                  BAK51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 
 BAK51配用光源 Supplied with lamps  BAK51外形尺寸 Outline dimension 
  BAK51产品型号                                    BAK51 额定电压（v）                            BAK51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