GB/T 11022-1999
Replaced
GB 7251.2-1997
Replaced
National standards
force_standard
GB 7251.2-1997 Low-voltage switchgear and control gear assemblies—Part 2:Particular requirements for busbar trunking systems(busways)
GB 7251.2-1997 Low-voltage switchgear and control gear assemblies—Part 2:Particular requirements for busbar trunking systems(busways)
Basic Information
Standard Code:
GB 7251.2-1997
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
yes
CCS Name:
Low-voltage distribution electrical equipment
ICS Name:
Low-voltage switchgear and controllers
Publish Date:
1997-12-30
Implement Date:
1998-10-01
Pages:
11 pages
Development Information
Same series standard
GB 7251.1-1997 Low-voltage switchgear and control gear assemblies—Part 1:Type-tested and partially type-tested assemblies
GB 7251.3-1997 Low-voltage switchgear and control gear assemblies—Part 3:Particular requirements for low-voltage switchgear and control gear assemblies intended to be installed in places where unskilled persons have access for their use—Distribution boards
Superseded by the following standards
Adopt standards
IEC 439-2:1987
Related Standards
GB/T 18858.1-2002
Replaced
GB/T 18858.1-2002 Low-voltage switchgear and control gear Controller-device interface(CDIs)—Part 1:General rules
GB/T 18858.3-2002
Replaced
GB/T 18858.3-2002 Low-voltage switchgear and control gear—Controller-Device interface(CDI)—Part 3:Device Net
GB/Z 18859-2002
Replaced
GB/Z 18859-2002 Enclosed low-voltage switchgear and controlgear Assemblies—Guide for testing under conditions of arcing due to internal fault
GB 14048.4-2003
Replaced
GB 14048.4-2003 Low-voltage switchgear and controlgear—Electromechanical contactors and motor-starters
GB/T 19334-2003
Replaced