VBm2-12型永磁式户内高压真空断路器(快速合闸)
● 使用环境条件
a. 海拔高度:不大于1000m;
b. 环境温度:-10℃~+40℃;
c. 空气相对湿度日平均不大于95%,水蒸汽压力日平均不大于2.2kpa,月平均湿度不大于90%,水蒸汽压力月平均值不大于1.8kpa;
d. 地震烈度不超过8级;
e. 没有易燃、易爆、化学腐蚀及剧烈振动的场合。
● 断路器的主要特点
a. 快速合闸特性:合闸时间为12~14mS;
b. 开断性能优良,电寿命长(大于50次);
c. 机械寿命长(50000次),动作可靠,能频繁操作,噪音低;
d. 具有失步开断能力,可作联络断路器使用;
e. 可用于海拔1000m;
f. 可用于Ⅳ级污秽地区;
g. 结构简单,不检修周期长且检修方便;
h. 产品外形美观,防腐能力强。
VBm2-12indoorVCBwithpermanentmagneticactuator(fastclosing)
Environmentalconditions
a.Altitude:notmorethan1000m;
b.Environmenttemperature:-10℃~+40℃
c.Averagedailyrelativeairhumidityshallnotexceed95%,averagedailywatervaporpressureshallnot
exceed2.2kpa,averagemontlyhumidityshallnotexceed90%,averagemonthlywatervaporpressureshall
notexceed1.8kpa;
d.Seismicintensityshallnotexceedmagnitude8.
e.Theoccasionwithoutinflammable,explosive,chemicalcorrosionandviolentvibration.
Mainfeatures:
a.Fastclosing:closingtimeis12~14mS.
b.Excellentbreakingperformance,longelectricalendurance(morethan50times);
c.Longmechanicalendurance(50000times),reliablemovement,canbeoperatedfrequently,lownoise;
d.Out-of-phasebreakingcapacity,canbeusedasinterconnectingcircuitbreaker.
e.Canbeusedeventhealtitudeis1000m;
f.CanbeusedinthepollutedareaseventhepollutedgradeisIV.
g.Simplestructure,longnon-maintenancecycleandeasymaintenance.
h.Attractiveinappearance,goodanticorrosionability.