Home / Standards / GB/T 3906-2020 GB/T 3906-2020 Active Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV 3.6 kV~40.5 kV交流金属封闭开关设备和控制设备 Standard Type GBT ICS 29.130.10 CCS K43 Status 现行 Issue Date 2020-03-31 Implementation 2020-10-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A