GB 7251.3-1997Low-voltage switchgear and controlgear assemblies. Part 3: Particular requirements for low-voltage switchgear and controlgear assemblies intended to be installed in places where unskilled persons have access for their use--Distribution boards (English PDF)
低压成套开关设备和控制设备 第三部分:对非专业人员可进入场地的低压成套开关设备和控制设备--配电板的特殊要求
GB 7251.3 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 7251.3-2026 | Low-voltage switchgear and controlgear assemblies - Part 3: Distribution boards intended to be operated by ordinary persons (DBO) | Valid |
| GB/T 7251.3-2017 | Low-voltage switchgear and controlgear assemblies-Part 3:Distribution boards intended to be operated by ordinary persons ( DBO) | Obsolete |
| GB 7251.3-2006 | Low-voltage switchgear and controlgear assemblies—Part 3: Particular requirements for low-voltage switchgear and controlgear assemblies intended to be installed in places where unskille | Obsolete |
| GB 7251.3-1997 | Low-voltage switchgear and controlgear assemblies. Part 3: Particular requirements for low-voltage switchgear and controlgear assemblies intended to be installed in places where unskilled persons have access for their use--Distribution boards | Obsolete |
GB 7251.3-1997 is obsolete. It has been replaced by GB 7251.3-2006. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Technical Supervision Bureau
Level / Type
National · Mandatory
Issue date
January 2, 1997
Implementation date
October 1, 1998
Scope
GB 7251.3-1997 is the English-translated version of 低压成套开关设备和控制设备 第三部分:对非专业人员可进入场地的低压成套开关设备和控制设备--配电板的特殊要求.
GB 7251.3-1997 is the Chinese national standard "Low-voltage switchgear and controlgear assemblies. Part 3: Particular requirements for low-voltage switchgear and controlgear assemblies intended to be installed in places where unskilled persons have access for their use--Distribution boards".
It was issued on January 2, 1997 by the State Technical Supervision Bureau, and took effect on October 1, 1998. It is obsolete: it has been replaced by GB 7251.3-2006.
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Document preview — GB 7251.3-1997
National Standard of the People's Republic of China
Issued by: State Technical Supervision Bureau
Contents
- Document data
1 Document data
Sector: National standard (Mandatory).
Issuing body: State Technical Supervision Bureau.
Date of issue: 1997-01-02.
Date of implementation: 1998-10-01.
Status: obsolete, replaced by GB 7251.3-2006.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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Related Standards
GB 7251.4-1998 — Low-voltage switchgear and controlgear assemblies. Part 4: Particular requirements for assemblies for construction sites (ACS)
GB 7251.2-2006 — Low-voltage switchgear and controlgear assemblies - Part 2: Particular requirements for busbar trunking systems (busways)
GB 7251.5-2008 — Low-voltage Switchgear and Controlgear Assemblies - Part 5: Particular Requirements for Assemblies for Power Distribution in Public Networks
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GB 7251.3-1997
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