专业生产销售BLK52防爆断路器（ⅡB、ⅡC）
 
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.        high                                                                                                     ■ 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.                                                                                                                                          ■ 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 Outline example
   
                      CBK 52-400XD （IIB）                                  BLK52-400XX （IIB） 
   
                    CBK 52-630XX （IIB）                  CBK 52-630XD （IIB）