Home / Standards / GB/T 20640-2006 GB/T 20640-2006 Active Electrical accessories - Circuit-breakers and similar equipment for household use - Auxiliary contact units 电气附件 家用断路器和类似设备 辅助触头组件 Standard Type GBT ICS 29.120.50 CCS K31 Status 现行 Issue Date 2006-11-08 Implementation 2007-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A