GG-1a型固定式户内交流金属封闭开关设备（一下简称开关设备）适应于固定电压为3~10KV，固定频率为50Hz的三相交流单母线旁路系统中，作为接收和分配电能之用。

  开关设备符合GB/T11022《高压开关设备和控制设备标准的公用技术要求》标准的规定。

  开关设备内主要开关设备根据用户要求可配用真空断路和少油断路器。

  GG-1A fixed metal closed switchgear(short for switchgear)is used as receiving and distributing electric energy in 3-phase A.C single-busbar and busbar bypass circuit system with rated voltage 3-10kV,rated frequency 50Hz.

  The switchgear meet GB/T11022《Technique require for High-voltage switchgear and controllor》standard.

  The main switch of vacuum circuit breaker and less-oil circuit breaker may be installed according to customer’s needs.

 

 

主要技术参数  Main technical data         

额定电压                                  kV           12                            

rated voltage 

额定电流                                  A            630-3150

rated current                         

额定短路开断电流                          Ka           16-50                                              

rated short-circuit breaking current     

额定动稳定电流                            kA           40-125

rated withstand current

额定短路关合电流                           kA          40-125 

rated short-circuit closing current

操作循环                                               分-0.5-合分-180秒-合分

operation cycle

操作方式                                               弹簧储能、电磁操作机构

0Pearaing type

母线系统                                               单母线、单母线旁路