GB 7251.1-2005
Low-voltage switchgear and controlgear assemblies-Part 1:Type-tested and partially type-tested assemblies (English Version)

Standard No.: GB 7251.1-2005
Language: Chinese, Available in English version
Release Date: 2005
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2015-01
Replace By: GB 7251.1-2013; GB/T 7251.1-2013
Latest: GB/T 7251.1-2023

Scope: This section also applies to complete equipment with higher frequency control and power devices. In this case the corresponding additional requirements apply. This section applies to fixed or mobile ASSEMBLY with or without enclosures. NOTE: Special requirements for certain specialized types of ASSEMBLIES are given in supplementary IEC standards. This standard applies to complete sets of equipment used in conjunction with equipment for power generation, transmission, distribution, and power conversion, as well as equipment for controlling power consumption. This part also applies to those complete sets of equipment designed for special conditions of use, such as complete sets of equipment used in ships, rolling stock, machine tools, hoisting machinery, or complete sets of equipment used in explosive atmospheres and civil ie non-professional use equipment, etc. , as long as they comply with the relevant regulatory requirements. This section does not apply to individual components and self-contained components that have their own relevant standards, such as motor starters, knife fuse switches, electronic equipment, etc. The purpose of this part is to define for low-voltage switchgear and control equipment, and to clarify its service conditions, structural requirements, technical performance and tests.

GB 7251.1-2005 history

2023 GB/T 7251.1-2023 Low-voltage switchgear and controlgear assemblies - Part 1: General principles
2013 GB 7251.1-2013 Low-voltage switchgear and controlgear assemblies.Part 1:General rules
2005 GB 7251.1-2005 Low-voltage switchgear and controlgear assemblies-Part 1:Type-tested and partially type-tested assemblies
1997 GB 7251.1-1997 Low-voltage switchgear and controlgear assemblies. Part 1: Type-tested and partially type-tested assemblies