适用范围Application 1区、2区危场所。IIA、IIB类爆竹性气体环境.Can be used in Zone 1 and Zone 2one 2 dangerous places.Can be used in IIA,IIB group explosive atmosphere.产品特点Features型号含义Model implication外壳为钢板焊接而成.内装有自耦变压器,交流接触器,时间继电器.中间继电器,热继电器,电流互感器,转换开关熔断器,电压表,电流表,指示灯等.具有过载,短路,失压,断相保护等功能.符合GB3836-2000,IEC60079 标准要求.The shell is welded of steel plates.Inside is arranged varitran,AC contactor,time relay,interposiongrelay,thermal relay,current transformet,selector,fuse,voltmeter,Ammeter and indicator etc.Steel tube wiring or cable wiring.Suitable for GB3836-2000,IEC60079 standard request.主要技术参数Main technical parameters产品型号Type电机功率（KW）Motor power额定电流(A)Rated current自耦变压器容量（KVA）Varitran power电流互感器比值 CT ratio防爆标志 E-mark使用类别 Usage category防护等级 Protection classCBQ55-1414281450/5Exd II BT4AC-3AC-4IP54CBQ55-2020402075/5CBQ55-22224422CBQ55-28285828CBQ55-30306030CBQ55-40408040100/5CBQ55-45459045150/5CBQ55-555511055CBQ55-757514275200/5CBQ55-100100200100300/5CBQ55-115110230110 防腐等级 Corrosion-proof grade进线口螺纹(G") Inlet’s thread出线口螺纹（G"）Outlet’s thread电缆外径（Φmm）Cable’s outside diameterWF11/2-31/2-330-50外形及安装尺寸Outlinge and installing dimension型号 TypeABCCBQ55-14-551190550400CBQ55-75-1001420650500