产品名称:  CBZK系列防爆转换开关（ⅡB、ⅡC） 
 
适用范围 Application  
1区、2区危险场所。                                         
ⅡA、ⅡB、IIC类爆炸性气体环境。
注：要求IIC类时注明.
Can be used in Zone 1 and Zone 2 dangerous places.      
Can be used in IIA、IIB、IICgroup explosive atmosphere.
Notice:Please note if need IIC grade needed. 
型号含义 Main implication 
  
产品特点 Features 
■铸铝合金外壳,表面喷塑.                                            ◆ The shell is of diecasted AI-alloy with plastic-sprayed surface.
■内装转换开关,用于电流60A以下的电气线              ◆ Inside is mounted conversion switch,used as power swtch to  
■路中,作为电源引入开关,并可控制电动机起                 controln motor,adjust speed,convet direction in the system of
   动、变速、停止、换向等.                                              not more than 60A.
■钢管或电缆布线均可.                                                 ◆ Suitable for steel pipe and cable.
■符合GB3836-2000,IEC60079标准要求.                     ◆ Suitable for GB3836-2000,IEC60079 standard request. 

 主要技术参数 Main technical parameters 
               产品型号              额定电压(V)                额定电流(A)              防爆标志         电缆外径(￠,mm)
                Type                    Rated voltage               Rated current              Ex-mark            Cable''s outer  diameter 
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           CBZK-10/□                                                     10 
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           CBZK-25/□              220/380                          25                         Exde II Bt6            10-14 
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           CBZK-60/□                60                                60                         *Exde II Ct6           18-22