Home / Standards / GB/T 21711.3-2025 GB/T 21711.3-2025 Active Electromechanical elementary relays—Part 3: Relays with forcibly guided (mechanically linked) contacts 基础机电继电器 第3部分:强制定位(机械联锁)触点继电器 Standard Type GBT ICS 29.120.70;31.220.99 CCS L25 Status 现行 Issue Date 2025-05-30 Implementation 2025-05-30 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A