产品名称:BZZ8050系列防爆防腐转换开关（ⅡC） 适用范围Application 1区、2区危场所.IIA、IIB、IIC类爆炸性气体环境Can be used Zone 1 and Zone 2 dangerous places.Can be used in IIA,IIB,IIC group explosive atmosphere. 型号含义Model implication    产品特点 Features 外壳为增安型结构,采用玻璃纤维增强不饱和聚酯树脂.(SMC)压制而成,外形美观,具有耐腐蚀,耐冲击,热稳壳体和盖的接合面为曲面迷宫式结构,确保了较高的防护定性好等优良传良传统.等级.内装开关为隔爆型开关,极数可以根据用户要求自由叠加.钢管和电缆布线均可. customer’s request符合GB3836-2000,IEC60079.标准要求. Suitable for steel pipe and cable wiring.The shell made of glass fiber and unsaturated Ployester resion is Safety-increasedtype with aesthetic appearance,function of impulsion-withstanding,thermalstability,and corrosion-proofing.The joint of shell and cover is the for of devious-labyrinthian struture,insuringpreferable protection class.Inside is arranged exposion-proof switch,the poles can be added freely by the.Suitable for steel pipe and cable wiring.Suitable for GB3836-2000,IEC60079 standard request. 主要技术参数 Main technical parameters 产品型号Type 额定电压（Ｖ）Ratedvoltage 额定电流（Ａ）ratedcurrent 防爆标志Ex-mark 电缆外径（Φ,mm）Ｃable’s outside diameter  进线口螺纹（Ｇ")Inlet’s thread 进线口螺纹（G")Ｉnlet’s number  防腐等级 Corrosion-proof category CBZK8060-20 220 380 20 Exed II CT5  10-14 3/4 2 WF2CBZK8060-32 32 12-19 1 2 CBZK8060-63 63 22-30 1’/2 2  产品外形图 Outline example  CBZK8060-20/3　　　　　　　　　　　　　　　CBZK8060-32/3　　　　　　　　　　　　　CBZK8060-63/3