BLK52防爆断路器（ⅡB、ⅡC）
     博辉防爆供应BLK52防爆断路器,BDZ52防爆断路器,防爆磁力起动器，
防爆配电箱，防爆防腐配电箱，防爆控制箱，防爆动力检修箱，防爆检修箱
，防爆接线箱，防爆风机，防爆灯具，防爆管件等系列防爆产品.....

  适用范围   
1区、2区危险场所。                                        
ⅡA、ⅡB类爆炸性气体环境。
 
型号含义 
 
主要技术参数 
          型号               额定电压(V)             脱扣器额定电流(A)                  防爆标志                电缆外径()             进线口螺纹()             防护等级

   BLK52-32                                           1、2、3、4、6、10、16                                                12-17                            1
                                                                        20、25、32        
   BLK52-63                                           40、50、63                                  Exde II Bt6                13-26                         1‘/2、2                      Ip54
 BLK52-100/□                                              80、100                                                                   18-33                         1‘2、2                     *Ip55
 BLK52-225/□         380/220                       125、160
                                                                 180、200、225                                                               27-42                         2、2‘/2
 BLK52-400/□                                             250、315                                                                  34-50                            3
                                                                       350、400                     
 BLK52-630/□                                             500、630                                                                  43-60                        3、3‘/2、4                    

产品特点 
■ 铸铝合金外壳，表面喷塑
■ 内装高分断小型断路器或低压塑壳式断路器.
■ 具有过载,短路保护功能,也可根据要求加装
■ 漏电分励脱扣等保护装置.                                                                                                        etc.protection device.
■ 钢管或电缆布线均可.
■ 符合GB3836-2000.IEC60079标准要求.

外形举例   
   
   BLK52-32 (IIB)         BLK52-225 XD (IIB)     
       BLK52-60 (IIB)            BLK52-225XX(IIB)      BLK52-100 (IIB0  
外形举例
              BLK52-400XD (IIB)                 BLK52-400XX (IIB) 
    BLK52-630XX (IIB)         BLK52-630XD (IIB)