GB/T 25890.4-2010
ActiveRailway applications - Fixed installations - DC switchgear - Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches
轨道交通 地面装置 直流开关设备 第4部分：户外直流隔离开关、负荷开关和接地开关
Application Summary AI generated
This standard specifies technical requirements, test methods, and acceptance criteria for outdoor DC disconnectors, switch-disconnectors, and earthing switches used in railway fixed installations. It is applied in the design, manufacturing, and quality verification of DC switchgear for urban rail transit systems, such as metro and light rail traction power supply networks. The standard ensures safe and reliable operation of these devices under outdoor environmental conditions, including exposure to weather and electrical stress.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.