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產(chǎn)品名稱:BZK系列防爆轉(zhuǎn)換開關(guān)（ⅡB、ⅡC） 
 
防爆轉(zhuǎn)換開關(guān)適用范圍 Application 
1區(qū)、2區(qū)危險場所。                                        
ⅡA、ⅡB、IIC類爆炸性氣體環(huán)境。
注：要求IIC類時注明.
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.
防爆轉(zhuǎn)換開關(guān)型號含義 Main implication 
 
防爆轉(zhuǎn)換開關(guān)產(chǎn)品特點(diǎn) Features
■鑄鋁合金外殼,表面噴塑.                                            ◆ The shell is of diecasted AI-alloy with plastic-sprayed surface.
■內(nèi)裝轉(zhuǎn)換開關(guān),用于電流60A以下的電氣線              ◆ Inside is mounted conversion switch,used as power swtch to 
■路中,作為電源引入開關(guān),并可控制電動機(jī)起                 controln motor,adjust speed,convet direction in the system of
   動、變速、停止、換向等.                                              not more than 60A.
■鋼管或電纜布線均可.                                                 ◆ Suitable for steel pipe and cable.
■符合GB3836-2000,IEC60079標(biāo)準(zhǔn)要求.                     ◆ Suitable for GB3836-2000,IEC60079 standard request.

 主要技術(shù)參數(shù) Main technical parameters
               產(chǎn)品型號              額定電壓(V)                額定電流(A)              防爆標(biāo)志         電纜外徑(￠,mm)
                Type                    Rated voltage               Rated current              Ex-mark            Cable's outer  diameter
--------------------------------------------------------------------------------
           CBZK-10/□                                                     10
--------------------------------------------------------------------------------
           CBZK-25/□              220/380                          25                         Exde II Bt6            10-14
--------------------------------------------------------------------------------
           CBZK-60/□                60                                60                         *Exde II Ct6           18-22
外形舉例 Outline example
 

   型號 Type          A          B          C           D       備注 Remark
 CBZK-10/□      132       215      115       98                    
 CBZK-25/□      185      240       160      130          IIB
 CBZK-60/□      224      372       165       型號 Type          A          B           C          D            E           F        備注 Remark
      CBZK-10/□       153        132        110        -           230        114                    
      CBZK-25/□       214        190        164      113        360        186               IIC
      CBZK-60/□       330        308        210      190        450        176