BAK51-5W6W7W隔爆型防爆視孔燈（ⅡB）適用范圍 Application 
 1區、2區危險場所。                             Can be used in Zone 1 and Zone 2 dangerous places.                            
 ⅡA、ⅡB、類性氣體環境。     Can be used in IIA、IIB、group explosive atmosphere.          
 可配裝白熾燈                                         Suitable for incandescent lamp.                               
 型號含義 Model implication 
    
 BAK51-5W6W7W隔爆型防爆視孔燈（ⅡB）特點 Features 
鑄鋁合金外客，壓鑄成形，表面噴塑。          Diecasted aluminium alloy shell with plasticsprayed surface.
視孔燈可根本用戶要求做成聚光式，但在      Apperture lamp can be made into condensing by use's requirement,
定貨時請注明。                                                         but it should be noted when ordering.
鋼管或電纜布線均可                                           Suitable for steelpipe.
符合GB3836-2000，IEC60079標準要求           Suitable for GB3.836-2000,IEC6007 standard raquest.  

BAK51系列隔爆型防爆視孔燈（ⅡB）主要技術參數 Main technical parameters 
           防爆標志                 防護等級                    電纜外徑(￠,mm)                   進線口螺紋(G")                 燈座代號                  質量(kg)
            Ex-mark                   Protection                      Cable's outside                        Inlet's thread                   Lamp socket                Mass       
                                             grade                             diameter  
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         Exd Ⅱ BTt4                 IP55                                10～14                                           3/4                                    E27                              1.5 
 配用光源 Supplied with lamps  外形尺寸 Outline dimension 
  產品型號                                     額定電壓(v)                            白熾燈額定功率(w)
    Type                                          Rated voltage                                Rated power 
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  CBKD-40                                                                                                   40 
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  CBKD-60                        AC 220/50Hz及以下And below                       60 
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  CBKD-100