常熟开关CM3塑壳断路器选型手册

CM3系列塑料外壳式断路器CM3SERIESMOULDEDCASECIRCUITBREAKERS常熟开关制造有限公司（原常熟开关厂）CHANGSHUSWITCHGEARMFG.CO.,LTD.（FORMERCHANGSHUSWITCHGEARPLANT）CV系列CW系列CM系列CK系列CR系列CA系列CJR系列CJD系列CD系列CH系列CE系列CB系列2010版ClicktobuyNOW!PDF-XChangeViewer!PDF-XChangeViewer不同额定电流的连接导线参考截面CROSS-SECTIONOFWIRINGCONDUCTORCORRESPONDINGRETEDCURRENTTERMINALTYPEUSEANDMAINTENANCECURRENT-LIMITEDCHARACTERISTICCURVEORDERINGFORM外形尺寸及安装尺寸OUTLINEANDMOUNTINGDIMENSIONS断路器安装安全间隙MOUNTINGSAFETYCLEARANCEClicktobuyNOW!PDF-XChangeViewer!PDF-XChangeViewer系列塑料外壳式断路器（以下简称断路器），是本公司采用国际先进设计、制造技术研制、开发的新型断路器之一。其额定工作电压至690V、额定绝缘电压800V、额定冲击耐受电压达到8kV、额定电流10A~800A。CM3系列断路器适用于配电和电动机保护场合，也适用于消防场合。断路器可具有过载报警不脱扣功能，当线路过负荷时，安装了带有此功能的断路器不跳闸仅输出过负荷信号，保障供电连续性，满足了GB50054第4.3.5条“突然断电比过负载造成的损失更大的线路，其过负载保护应作用于信号而不应作用于切断电路”要求。断路器具有过载、短路、欠电压保护等功能，能保护线路和电源设备不受损坏。断路器按照其额定极限短路分断能力（Icu）的高低，分为C型（基本型）、L型（标准型）、M型（较高分断型）、H型（高分断型）四类。该断路器具有体积小、分断高、飞弧短（加装零飞弧罩实现零飞弧）等特点。断路器极限短路分断能力级别为C、L、M型可倒进线连接；M型使用于AC690V电压时及H型不可倒进线，即1、3、5接电源线，2、4、6接负载线。产品外形美观，布局合理，可垂直安装（即竖装），亦可水平安装（即横装），是极为理想的电器产品。断路器具有隔离功能，其相应的符号为断路器符合下列标准：IEC60947-1及GB14048.1-2006低压开关设备和控制设备总则IEC60947-2及GB14048.2-2008低压开关设备和控制设备断路器IEC60947-4-1及GB14048.4低压开关设备和控制设备机电式接触器和电动机起动器断路器获国家强制性产品认证“CCC”标志，为“中国名牌”产品●●●●●●应用特征CM3seriesMCCB(hereaftearrefferedtoassimplybreakers)areoneofthenewtypebreakerswhichhavebeendevelopedbythecompanyusinginternationaladvanceddesignandmanufacturingtechnology.Itsratedoperationalvoltageto690V,ratedinsulationvoltage800V,ratedimpulsewithstandvoltage8kV,ratedcurrent10A-800A.CM3seriesbreakersareusedforpowerdistributionandmotorprotectionofoccasions,butalsotothefireoccasions.Thebreakerswithoverloadalarmnon-tirppingfunction,whenlineisoverload,thebreakerswilldon'ttrip,andonlyoutputoverloadsignal,whichcanensurethepowersupplycontinuityandmeetthedemandsofarticle4.3.5ofGB50054whenlossofcuttingelectricityislargerthanoverload,lineofoverloadprotectionisalarmbutnon-tripping.Thebreakershaveoverload,short-circuitandundervoltageprotectionfunction,soastoprotectthecircuitandthesupplyequipmentagainstdamage.Thebreakersaccordingtoratedultimateshort-currentbreakingcapacity(Icu),wouldbeclassifiedfourkindstypesC(basictype),L(standardtype),M(secondhightype),H(hightype).Thebreakersareoffollowingcharacteristics:compactsize,highbreakingcapacity,shortarc-overdistance(zeroarcdistancebyinstallingzeroarccover)andetc.Thebreakersultimateshort-circuitbreakingcapacityclassfortheC,L,Mtypecanbeconnectedintotheoutgoingline;MtypeusedinvoltageAC690VandH-typecannotbeconnectedintoline,thatterminal135connectingintopowerline,246loadline.Thebreaker'soutlineisbeautifulandcompositionisreasonable,MCCBcouldbeinstalledvertically(upright)orhorizontally(transverse).Thebreakershavedisconnectionfunctionanditscorresspondingsynbolisshownas.Thebreakerscomplywiththedemandsofthefollowingstandards:IEC60947-1andGB14048.1-2006Low-voltageswitchgearandcontrolgearGeneralrulesIEC60947-2andGB14048.2-2008Low-voltageswitchgearandcontrolgearCircuit-breakersIEC60947-4-1andGB14048.4ElectromechanicalcontactorsandmotorstartersThebreakershaveobtainedtheCCCmarkofCQC,andnamedasChinatopbrandproducts.、、、、●●●●●●APPLICATIONFEATURESClicktobuyNOW!PDF-XChangeViewer!PDF-XChangeViewer●●●●●●●●●断路器可在周围空气温度为-5℃～+40℃条件下运行（大于+40℃至+60℃降容使用见表四）；断路器主电路安装类别为Ⅲ，其余辅助电路、控制电路安装类别为Ⅱ；断路器应安装在无爆炸危险和无导电尘埃、无足以腐蚀金属和破坏绝缘的地方；安装地点的海拔不超过2000m(超过2000m时电气性能按表五修正）；安装地点的空气相对湿度在最高温度为+40℃时不超过50％，在较低温度下可以有较高的相对湿度，例如20℃时达90%。对由于温度变化偶尔产生的凝露应采取特殊措施；污染等级为3级；断路器适用于电磁环境A;湿热带型（TH型）断路器能耐受潮湿空气、盐雾、油雾、霉菌的影响；断路器应安装在没有雨雪侵袭的地方。●●●●●●●●●Ambientairtemperature：-5℃～+40℃(Ifthetemperatureisbetween+40℃and+60℃,pleaseseetable4);Thealtitudeofthesiteofinstallationdoesnotexceed2000m(morethan2000m,electricalperformanceseetable5);Therelativehumidityoftheairdoesnotexceed50%atamaximumtemperatureof+40℃.Higherrelativehumiditiesmaybepermittedatlowertemperature,e.g.90%at+20℃.Specicalmeasuresmaybenecessaryincasesofoccasionalcondensationduetovariationsintemperature;Pollutiondegree3;Installingcategory:Ⅲformaincircuit,Ⅱforotherauxiliaryandcontrolcircuits;BesuitableinelectromagneticenvironmentA；Warmdampbreakercanbeabletobeartheinfluenceofdampairorsaltmistandoilmistormould.Theremustbenotanyexplosivedangrousandnotanycondutingdust,theremustbenotanygaswhichwouldcorrodemetalanddestroyinsulation;Theplacewouldnotbeinvadedbyrainandsnow.正常使用条件和安装条件NORMALSERVICEANDMOUNTINGCONDITIONSClicktobuyNOW!PDF-XChangeViewer!PDF-XChangeViewer●●●●●，独特的“过载报警不脱扣”功能安全性的特点快速电弧