DL/T 391-2025 Active Industry standards-Electricity

DL/T 391-2025 12kV Outdoor High Voltage Vacuum Circuit Breaker Maintenance Procedure Manual

Publish Date: 2025-09-28 Implement Date: 2026-03-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DL/T 391-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: High-voltage switchgear

ICS Name: High-voltage switchgear and controllers

Publish Date: 2025-09-28

Implement Date: 2026-03-28

Publisher: 国家能源局

Technical Committee: 能源行业配网系统标准化技术委员会（NEA/TC 42）

Development Information

Replace the following standards

DL/T 391-2010 12kV Outdoor High Voltage Vacuum Circuit Breaker Maintenance Process Regulations

Related Standards

GB/T 14808-2001 Replaced

GB/T 14808-2001 High-voltage alternating current contactors and contactor-based motor-starters

Publish Date: 2001-11-02

GB 1984-2003 Replaced

GB 1984-2003 High-voltage alternating-current circuit-breakers

Publish Date: 2003-06-05

GB 1985-2004 Replaced

GB 1985-2004 High-voltage alternating-current disconnectors and earthing switches

Publish Date: 2004-05-14

GB/T 4473-2008 Replaced

GB/T 4473-2008 Synthetic testing of High-voltage alternating current circuit-breakers

Publish Date: 2008-06-18

GB/T 22381-2008 Replaced

GB/T 22381-2008 Cable connections for gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above—Fluid-filled and extruded insulation power cables—Fluid-filled and dry type cable-terminations

Publish Date: 2008-09-19

GB/T 22382-2008 Replaced

GB/T 22382-2008 Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages of 72.5kV and above

Publish Date: 2008-09-19