BSD系列隔爆型防爆視孔燈（IIB） 

 適用范圍 Application 
 1區(qū)、2區(qū)危險(xiǎn)場所。                                                    
 ⅡA、ⅡB、類爆炸性氣體環(huán)境。              
 BAK51可配裝白熾燈                                        
   產(chǎn)品特點(diǎn) Features 
鑄鋁合金外客，BAK51壓鑄成形，BAK51表面噴塑。         
BSD視孔燈可根本用戶要求做成聚光式，但在      
定貨時(shí)請注明。                                                         
鋼管或電纜布線均可                                          
符合GB3836-2000，IEC60079標(biāo)準(zhǔn)要求         

主要技術(shù)參數(shù) Main technical parameBAK51ters 
BAK51 防爆標(biāo)志                

BAK51防護(hù)等級(jí)                   

BAK51電纜外徑（￠,mm）                  

BAK51進(jìn)線口螺紋（G"）                

BAK51 燈座代號(hào)                 

BAK51質(zhì)量（kg）
Ex-mark                   Protection                     Cable’s outside                   Inlet’s thread                   Lamp socket Mass       

grade                             diameter  
--------------------------------------------------------------------------------
          Exd Ⅱ BT4                 IP55                                10～14                                            3/4                                     E27                             1.75 
BSD配用光源 Supplied with lamps  BAK51外形尺寸 Outline dimension 
BSD產(chǎn)品型號(hào)                                     額定電壓（v）           白熾燈額定功率（w）