GB/T 24276-2017

Active

A method of temperature-rise verification of low-voltage switchgear and controlgear assemblies by calculation

通过计算进行低压成套开关设备和控制设备温升验证的一种方法

Standard Type
GBT
ICS
29.130.20
CCS
K31
Status
Active
Issue Date
2017-11-01
Implementation
2018-05-01
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 a calculation-based method for verifying temperature rise in low-voltage switchgear and controlgear assemblies, replacing or supplementing physical testing. It is applied by manufacturers and testing laboratories during the design and certification of electrical distribution panels, motor control centers, and similar equipment rated up to 1000V AC or 1500V DC. The standard enables thermal performance validation without full-scale prototype testing, reducing development costs and time while ensuring compliance with safety and operational limits.

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 41909-2022 Low-voltage switchgear and controlgear—Electromagnetic compatibility assessment for switchgear and controlgear and their assemblies GB/Z 41912-2022 Low-voltage switchgear and controlgear—Guidance for the development of embedded software 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.