产品名称:  CBQ56系列防爆星三角起动箱（ⅡB） 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.型号含义Model implication 产品特点Features 该产品适用于3-95KW 三相异步电动机不频繁起动和停止.铸铝合金或钢板焊接外壳,表面喷塑.内装断路器,交流接触器,时间断电器,热继电器,电流互感 器,电压表,电流表,转换开关,指示灯.延时自动控制时间继电器(0-60秒内可调).适用于不间断长期工作制或反复短时工作制,在反复短时 工作制下的操作频率为30次/小时,两次边疆起动间隙不 小于90秒.具有过载,短路,断相保护等功能.可根据用户要求特制.钢管或电缆布线均可.45kw以下为铝合金壳体,45kw(含45kw)以上的为钢板焊 接壳体.符合BG3836-2000,IEC60079标准要求.Suitable for 3-95kw asynchronous motor to start and stop unfrequently.The shell is of diecaste Al-alloy or welded by steel plates with plastic-sprayed surface.Inside is installed with CB,AC contactor,time relay,thermal relay,CT,Voltmeter,ammeter,conversion switch and indicatior.Delayed self-controlled relay (0-60s adjustable).Suitable for continuously work or short interval work,at short intarvalwork its operating frequency is 30 times/hour,the interval is not lessThan 90 seconds.With protections of over load,short-circuit,phase-failure.Special requirements can be provided.Conduit wiring or cable wiring.The shell is of diecasted-AI,if<45kw,welded steel plate,ifSuitable for GB3836-2000,IEC60079 standard request. 主要技术参数Main technical parameters产品型号Type控制电机功率(kw)Power of controlled motor额定电流(A)Rated current热继电器整定额定电流(A) Setting current of thermal ralay时间继电器整定值(S)Setting of time relayCBQ56-Y1313261.05In11CBQ56-Y17173313CBQ56-Y222242.815CBQ56-Y30305817CBQ56-Y37377217CBQ56-Y4549020CBQ56-Y555510524CBQ56-Y757515030CBQ56-Y959519035 防腐等级 Corrosion-proof grade防爆标志 Ex-mark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（）Cable’s outside diameterIP54Exd II BT4WF11 1/2-31 1/2-330-50外形及安装尺寸Outlinge and installing dimension