Home / Standards / GB/T 20641-2025 GB/T 20641-2025 Upcoming Empty enclosures for low-voltage switchgear and controlgear assemblies—General requirements 低压成套开关设备和控制设备 空壳体的一般要求 Standard Type GBT ICS 29.130.20 CCS K31 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A