Home / Standards / GB/T 27747 GB/T 27747 Active High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72.5 kV and above 额定电压72.5 kV及以上交流隔离断路器 Standard Type GBT ICS 29.130.10 CCS K43 Status 现行 Issue Date 2011-12-30 Implementation 2012-05-01 Responsible Dept 中国电器工业协会 Drafting Unit 中国电器工业协会