供应断路器

zn23-40.5型户内高压手车式真空断路器用于三相交流。断路器可配于gbc-40.5、jyn1-40.5和kyn10-40.5等开关柜设备，适用于配电系统的保护和控制，以及电弧炉变压器等要求频繁操作的场所，断路器灭弧系统采用真空陶瓷灭弧室，操动机构采用cd系列电磁操动机构ct系列弹簧操动机构。generalmodelzn23-40.5indoorhighvoltagevacuumcircuitbreakersisusedinthree--phaseac50hz35kvpowersystemforopeningorclosingatratedcurrentandfaultcurrent.itcanbemountedinmodelgbc-40.5andjyn1-40.5switchboards,suitableforuseindistributionsystemforprotectionandcontrol,placeofincreasedoperatingfrequencyforcontrollingarefurnacetransformer.itsinterruptingsystemadoptvacuumceramicarc-extinguishingchamber.thiscircuitbreakercanbeepuippedwithcdserieselectromagnetoperatingmechanismandctseriesspringoperatingmechanism.额定电压ratedvoltage(kv)40.5kv额定电流ratedcurrent(a)1600a/2000a额定短路开断电流ratedshort-circuitbreakingcurrent(kv)25ka/31.5ka额定短路开断电流开次数（次）ratedtimeatratedshort-circuitbreakingcurrent(time)20机械寿命(次)mechanicallife(time)6000外形尺寸（高*深*宽）mmoveralldimensions(h*d*w)1690*1310*1212手车宽度(mm)1212相间距离(mm)460相间净距离(mm)326