GB 7251.1-2005 第1部分：型式试验和部分型式试验成套设备

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1、29.120.60IKCS;遏昌中华人民共和国国家标准GB7251.1-2005/lEC60439-1:1999代替GB7261.1一1997低压成套开关设备和控制设备第I部分:型式试验和部分型式试验成套设备Low-voltageswitchgearandcontrolgearassemblies-Part1:Type-testedandpartiallytype-testedassemblies

2、9-1:1999目次目J舀················，············。··········，，···，···························，，·····················⋯⋯田1总则········，··············，········，···················，····‘··················，·····························，⋯11.1范围与目的·······························································一，··

3、，，·········..·.......⋯⋯11.2规范性引用文件·······························································.·················......⋯⋯12术语和定义·············，························，································，·······················⋯⋯32.1一般定义································································

4、······，·，·······················⋯⋯32.2成套设备结构单元·，，····11·········，，，··，，，，····..............................................⋯⋯42.3成套设备外形设计········‘··，···，····································，，，，······...，··········⋯⋯，.，，52.4成套设备结构部件······························，·························，，··········

5、···········....⋯⋯62.5成套设备安装条件···················································⋯⋯，，·······..⋯⋯，，....⋯⋯82.6电击的防护措施·······························································，·····，·，···········....⋯⋯82.7成套设备内部通道·····················································一，···········...........⋯⋯92.8电

6、气功能··········，···，····················，，·，，，······················，···....··..···...............⋯⋯92.9绝缘配合，···，，，，，，，，··，·············，，··························，··，......................，，二92.10短路电流······，，·························，，，，················································⋯⋯，，Il3成套设备的分类

7、·····································，······························-···············....⋯⋯124成套设备的电气性能······························································⋯⋯，二，.........⋯⋯124.1额定电压···············。·