防爆应急灯（ⅡB、ⅡC）
 
  适用范围 Application
 适用于1区，2区危险场所。                                        Can be used in Zone 1 and Zone 2 dangerous places.
适用于ⅡA、ⅡB、ⅡC类爆炸性气体环境。          Can be used in IIA，IIB，IIC group explosive atmosphere.
可配装白炽灯、汞灯。                                                 Suitable ofr incandesent lamp,mercury vapor laamp.
* 要求ⅡC类时请注明                                                   *Please note if need II C group
 型号含义 Model implication
   

 产品特点 Features
铸铝合金外客，表面喷塑。                                                          Diecasted aluminium alloy shell with plasticsprayed surface.
应急**灯中正常照明灯和应急照明灯各自独立,适合安         Normal lamp and emergency lamp of the division type are respectively
   装条件许可的场所;照明应急两用灯,正常照明和应急照明          suitable to the appropriate sites,but the dual-purpose for lighting and
   共用一个灯体,光源独立。                                                               emergency type share a same lampe body,moreover light source is independent.
内装免维护镍镉电池组，在正常供电下自动充电，事故断      Under the normal power-supplyingcondition,inner Nickel-Cadmium battery
   电或停电时应急灯自动点亮。                                                         can recharge automatically,so that the emergency lamp will turn on automatically
                                                                                                               when the power ose because of accident or power failure.
钢管或电缆布线均可。                                                                 Suitable for both steelpe and cable wiring.  
可根据用户要求设置试验按钮和指示灯具                                 It can be equipped with test button and indicator according to user"s requirement.
符合GB3836-2000，IEC60079标准要求                                     Suitable for BG3836-2000,IEC60079 standard request.
 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"）        
                     Ex-mark                                Protection grade                Cable"s outside diameter                      Inlet"s thread
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               Exd II BT4 *Exde IICT4                        IP54                                       10～14                                               3/4
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         额定电压（v） Rated voltage           应急起动时间（s）                         充电时间（h）                             应急照明时间（min）
      正常Normal   应急 Emergency    Emergency starting time         Recharging time                     Emergency lighting time
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           AC220V/50Hz    6V/50Hz                           0.3                                             24                                                      90                     
 配用光源 Supplied with lamps
          正常照明 Normally luminating                                          应急照明 Emergency luminating
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                 125W自汞灯 Imcandescent mercury lamp                      20W碘钨灯具 Iodin-tungsten lamp
                 200W白炽灯 Incandecent lamp  
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                  E27灯座E27 Lamp socket                                                     GV5.3灯座GV5.3 Lamp socket

 外形及安装举例 Outline and mounting example
 
                       照明应急两用式（A）                                                    应急**式（B）                                               吊杆式（g） Pendant       
           Dual-purpose for lighting and emergency                     Special purpose for emergency                
 
        壁式安装90度（b2） Bracket90C                                     壁式安装30度（b1） Bracket30C