GB/T 4728.7-2008Graphical symbols for diagrams - Part 7: Switchgear, controlgear and protective devices (English PDF)
电气简图用图形符号 第7部分：开关、控制和保护器件
GB/T 4728.7 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 4728.7-2022 | Graphical symbols for electrical diagrams - Part 7: Switchgear, controlgear and protective devices | Valid |
| GB/T 4728.7-2008 | Graphical symbols for diagrams - Part 7: Switchgear, controlgear and protective devices | Obsolete |
GB/T 4728.7-2008 is obsolete. It has been replaced by GB/T 4728.7-2022. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
May 28, 2008
Implementation date
January 1, 2009
Scope
GB/T 4728.7-2008 is the English-translated version of 电气简图用图形符号 第7部分：开关、控制和保护器件.
GB/T 4728.7-2008 is the Chinese national standard "Graphical symbols for diagrams - Part 7: Switchgear, controlgear and protective devices".
It was issued on May 28, 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on January 1, 2009. It is obsolete: it has been replaced by GB/T 4728.7-2022.
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Document preview — GB/T 4728.7-2008
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2008-05-28.
Date of implementation: 2009-01-01.
Status: obsolete, replaced by GB/T 4728.7-2022.
......
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/T 4728.8-2022 — Graphical symbols for electrical diagrams - Part 8: Measuring instruments, lamps and signalling devices
GB/T 4728.6-2000 — Electrical Graphical symbols for diagrams - Part 6: electrical energy and conversion
GB/T 4728.8-2008 — Graphical symbols for diagrams - Part 8: Measuring instruments, lamps and signalling devices
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GB/T 4728.7-2008
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