GB 7251.12-2013
Low-voltage switchgear and controlgear assemblies.Part 2:Power switchgear and controlgear assemblies (English Version)

Standard No.: GB 7251.12-2013
Language: Chinese, Available in English version
Release Date: 2013
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB 7251.12-2013

Scope: This part of GB 7251 specifies the specific requirements for complete power switchgear and controlgear (PSC-Assembly) as follows: --Assembly of rated voltage AC not exceeding 1 000 V or DC 1 500 V; --Assembly with enclosure Stationary or mobile assemblies, or without enclosures; --assemblies intended for use with equipment for the generation, transmission, distribution and conversion of electrical energy and for controlling the consumption of electrical energy; --those designed for special conditions of use complete sets of equipment, such as those used in ships and rolling stock, as long as they comply with the relevant specific requirements; - complete sets of equipment designed for the electrical equipment of machines, the IEC 60204 series of standards include supplementary sets of equipment that form part of machines Require. This section applies to those one-off design, manufacture and verification or fully standardized series of complete equipment. Production and/or assembly may not be performed by the original manufacturer (see 3.10.1). This section does not apply to individual devices and packaged components that meet their respective product standards, such as motor starters, knife fuse switches, electronic equipment, etc. This section does not apply to specific types of complete sets of other parts of GB 7251. Assemblies to which this part applies are not covered by other parts of the standard.

GB 7251.12-2013 Referenced Document

GB 14048.3-2008 Low-voltage switchgear and controlgear.Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units
GB 7251.1-2013 Low-voltage switchgear and controlgear assemblies.Part 1:General rules
GB/T 17045-2008 Protection against electric shock.Common aspects for installation and equipment

2013 GB 7251.12-2013 Low-voltage switchgear and controlgear assemblies.Part 2:Power switchgear and controlgear assemblies