GB/T 3906-2020

Active

Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV

3.6 kV～40.5 kV交流金属封闭开关设备和控制设备

Standard Type
GBT
ICS
29.130.10
CCS
K43
Status
Active
Issue Date
2020-03-31
Implementation
2020-10-01
Centralized Committee
中国电器工业协会
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies technical requirements, test methods, and acceptance criteria for metal-enclosed switchgear and controlgear operating on alternating current within the 3.6 kV to 40.5 kV voltage range. It is applied in the design, manufacturing, and quality verification of indoor or outdoor switchgear assemblies used in power distribution systems, substations, and industrial facilities. The standard ensures safety, reliability, and interoperability of equipment like circuit breakers and disconnectors in medium-voltage electrical networks.

Related Standards

GB/T 19334-2003 Dimension of low-voltage switchgear and controlgear--Standardized mounting on rails for mechanical support of electrical devices in switchgear andcontrolgear installations GB/Z 40776-2021 Low-voltage switchgear and controlgear—Fire risk analysis and risk reduction measures GB/Z 41912-2022 Low-voltage switchgear and controlgear—Guidance for the development of embedded software GB/Z 41909-2022 Low-voltage switchgear and controlgear—Electromagnetic compatibility assessment for switchgear and controlgear and their assemblies GB/Z 43030-2023 Low-voltage switchgear and controlgear—Security aspects GB/Z 43029-2023 Switchgear and controlgear and their assemblies for low-voltage—Energy efficiency GB/Z 43533-2023 Integration of internal arc-fault mitigation systems in power switchgear and controlgear assemblies (PSC-assemblies) according to GB/T 7251.2—2023 GB/Z 14048.24-2024 Low-voltage switchgear and controlgear—Part 7-5: Ancillary equipment—Terminal blocks for aluminium conductors
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.