GB/T 7251.5-2017

Active

Low-voltage switchgear and controlgear assemblies—Part 5: Assemblies for power distribution in public networks

低压成套开关设备和控制设备 第5部分：公用电网电力配电成套设备

Standard Type
GBT
ICS
29.130.20
CCS
K31
Status
Active
Issue Date
2017-07-31
Implementation
2018-02-01
Centralized Committee
中国电器工业协会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the requirements for low-voltage switchgear and controlgear assemblies specifically designed for power distribution in public electricity networks. It is applied by manufacturers and utilities to ensure the safety, performance, and testing of assemblies used in substations or distribution points that supply power to residential, commercial, and industrial users. The standard covers construction, dielectric properties, and thermal characteristics for equipment operating at voltages up to 1,000 V AC.

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.