GB/T 3906-2006
AbolishedAlternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV
3.6kV～40.5kV交流金属封闭开关设备和控制设备
Application Summary AI generated
This standard specifies technical requirements, test methods, and acceptance criteria for metal-enclosed switchgear and controlgear used in AC power systems with rated voltages from 3.6 kV to 40.5 kV. It is applied in the design, manufacturing, and quality verification of indoor or outdoor switchgear assemblies for power distribution substations, industrial plants, and commercial buildings. The standard ensures safe and reliable operation of equipment like circuit breakers, disconnectors, and earthing switches within medium-voltage electrical networks.
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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.