GB 7251.4-1998 Replaced National standards force_standard

GB 7251.4-1998 Low-voltage switchgear and control gear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS)

Publish Date: 1998-12-21 Implement Date: 1999-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB 7251.4-1998

Standard Type: National standards

Standard Status: Replaced

is_force_gb: yes

CCS Name: Low-voltage distribution electrical equipment

ICS Name: Switching devices and controllers

Publish Date: 1998-12-21

Implement Date: 1999-10-01

Pages: 20 pages

Development Information

Word Count: 34 Thousand words Pages: 20 pages

Same series standard

GB 7251.5-1998 Low-voltage switchgear and control gear assemblies—Part 5:Particular requirements for assemblies intended to be installed outdoors in public places—Cable distribution cabinets (CDCs)for power distribution in networks

Superseded by the following standards

GB/T 7251.4-2006 Low-voltage switchgear and control gear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS)

Referenced Standards

GB 156-1993 GB 1094.1-1996 Power transformers—Part 1:General GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.19-1981 GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB 6829-1995 General requirements for residual current operated protective devices GB 13028-1991 Isolating transformers and safety isolating transformers Requirements GB 14821.1-1993 Electrical installations of buildings Protection against electric shock GB 7251.1-1997 Low-voltage switchgear and control gear assemblies—Part 1:Type-tested and partially type-tested assemblies IEC 309 IEC 364-7-704:1989

Adopt standards

IEC 439-4:1990

Related Standards

GB/T 13540-1992 Replaced

GB/T 13540-1992 Anti-seismic characteristic test for high-voltage switchgear

Publish Date: 1992-07-01

GB/T 13601-1992 Replaced

GB/T 13601-1992 Operating tests under severe ice conditions for high-voltage switchgear

Publish Date: 1992-08-19

GB 7674-1997 Replaced

GB 7674-1997 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above

Publish Date: 1997-07-28

GB 7251.1-1997 Replaced

GB 7251.1-1997 Low-voltage switchgear and control gear assemblies—Part 1:Type-tested and partially type-tested assemblies

Publish Date: 1997-12-30

GB 7251.3-1997 Replaced

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

Publish Date: 1997-12-30

GB 14048.7-1998 Replaced

GB 14048.7-1998 low-voltage switchgear and controlgear Ancillary equipment Section 1:Terminal blocks for copper conductors

Publish Date: 1998-12-21