产品名称: BZZ51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--------------------------------------------------------------------------------           CBZK-10/□                                                     10--------------------------------------------------------------------------------           CBZK-25/□              220/380                          25                         Exde II Bt6            10-14--------------------------------------------------------------------------------           CBZK-60/□                60                                60                         *Exde II Ct6           18-22外形举例 Outline example    型号 Type          A          B          C           D       备注 Remark CBZK-10/□      132       215      115       98                     CBZK-25/□      185      240       160      130          IIB CBZK-60/□      224      372       165       型号 Type          A          B           C          D            E           F        备注 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