NB系列隔离开关NB-30隔离开关拥有出众的动热稳定性能，主要用于电力配电终端场合、照明配电系统，及各种小功率发电机种做开关之用，不具有过载及短路保护功能。 额定电压：230/400V额定失效电流（A）:16,20,32,40,63,100适用标准：GB14048.3,IEC60947-3:1999分断能力：1000A NBIsolatingswitchesHavingsuperiordynamic-heatingability,itismainlyusedasamainswitchforbothterminalassemblyelectricequipmentcase,andilluminationassemblycase,andtocontrolvariousmotorsandsmallpowerelectricequipmentaswell,ithasnofunctionofprotectionofoverloadshort-circuit. Ratedvoltage:230/400VRatedcurrentoftrips（A）:16,20,32,40,63,100Compliancewithstandard:GB14048.3,IEC60947-3:1999Breakingcapacity(A)：1000A