BQJ防爆自藕***电磁启动器适用范围1、***性气体环境：1区、2区2、场所中***气体或蒸气：IIA、IIB、IIC3、温度组别：T1～T64、户内、户外（防护等级IP54,可达IP65)Applyingscope1、Explosivegasatmospheres:Zone1＆22、Dangerousgasesorvaporszone:IIA、IIB、IIC3、Temperatureclasses:T1～T64、Indoorandoutdoor(IP54,ItcouldbedesignedasIP65accordingtouser′srequirements)产品特点1、该产品适用于14-135KW三相异步电动机不频繁自耦***起动和停止用2、铸铝合金或钢板焊接外壳，表面喷塑3、壳体内装有自耦变压器、真空交流接触器、时间继电器、热继电器、中间继电器、电流互感器、转换开关、熔断器、电压表、电流表、指示灯等元件4、起动电流不超过电机额定电流的3-4倍，起动时间为5-120秒，并可调整。若连续起动时间总和己达120分钟，需有足够的冷却时间，一般不小于4小时，才能再次起动，不适宜频繁操作5、具有过载、短路保护功能6、进线腔、元件腔、出线腔分别***7、输入、输出三相五线制（3P+N+PE）8、可根据用户要求***9、可钢管或电缆布线，电缆布线须配电缆夹紧密封接头Features1、Suitablefor14-135KWthree-phaseasynchronousmotor,whichisnotfrequentlyautotransformerstartedandstopped2、Enclosureismadeofcastingaluminumalloyorsteelplate,surfaceissprayedwithplastics3、Equippedwithautotransformer,vacuumACconductor,timerelay,thermorelay,intermediaterelay,currenttransformer,resetswitch,fuse,voltmeter,ammeter,indicatinglamp4、Startingcurrentcannotexceed3-4timesofmotorratedcurrent,startingtimeiswithin5-120seconds,adjustable.Iftotalcontinousstartingtimeexceeds120minutes,enoughcoolingtimeisnecessary.Generally,intervalshouldn′tbelessthan4hours.Motorisnotsuitableforfrequentstarting5、Withoverloadandshortcircuitprotectfunction6、Inletcompartment,componentandoutletcompartmentareindependentfromeachother7、Input:3P+N+PE,output:3P+N+PE8、Foruser′srequirements,itcouldbespeciallymade9、Wiringwithconduitorcable,Forcable,itshouldbefittedwithexplosion-protectedcablesealingconnector主要技术参数Specification型号电机功率(Kw)额定工作电流(A)自耦变压器功率(Kw)电流互感器比值使用类别极数热继电器整定电流(A)BQJ-14J142814AC33P+N+PE28BQJ-20J20402040BQJ-28J28582858BQJ-40J40804080BQJ-55J555555110BQJ-75J7514275200/5150BQJ-80J80152115300/5160BQJ-95J95180190BQJ-100J100200200BQJ-110J110220220BQJ-115J115230230BQJ-125J125250135400/5250BQJ-130J130260326BQJ-135J135270270防护等级防爆标志防腐等级IP54、*IP65ExdIIBT6W,WF1,WF2ExdIICT6)