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GB/T 4728.7-2022 English PDF

Q: How long will the true-PDF of English version of GB/T 4728.7-2022 be delivered?

Upon your order, we will start to translate GB/T 4728.7-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 10 working days. The lengthier the document the longer the lead time.

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Q: Should I purchase the latest version GB/T 4728.7-2022?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4728.7-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$1844.00 · In stock
Delivery: <= 10 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4728.7-2022: Graphical symbols for electrical diagrams - Part 7: Switchgear, controlgear and protective devices
Status: Valid

GB/T 4728.7: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4728.7-2022	1844	Add to Cart	10 days	Graphical symbols for electrical diagrams - Part 7: Switchgear, controlgear and protective devices	Valid
GB/T 4728.7-2008	RFQ	ASK	8 days	Graphical symbols for diagrams -- Part 7: Switchgear, controlgear and protective devices	Obsolete
GB/T 4728.7-2000	RFQ	ASK	4 days	Electrical Graphical symbols for diagrams - Part 7: switch, control and protection devices	Obsolete
GB/T 4728.7-1984	RFQ	ASK	3 days	Graphical symbols for electrical diagrams--Switchgear, controlgear and protective devices	Obsolete

Similar standards

GB/T 4728.2 GB/T 5169.11 GB/T 5169.10 GB/T 4728.12 GB/T 4728.13 GB/T 4728.11

Basic data

Standard ID: GB/T 4728.7-2022 (GB/T4728.7-2022)
Description (Translated English): Graphical symbols for electrical diagrams - Part 7: Switchgear, controlgear and protective devices
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K04
Classification of International Standard: 29.020
Word Count Estimation: 102,197
Date of Issue: 2022-10-12
Date of Implementation: 2023-05-01
Older Standard (superseded by this standard): GB/T 4728.7-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 4728.7-2022: Graphical symbols for electrical diagrams - Part 7: Switchgear, controlgear and protective devices

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 29.020 CCSK04 National Standards of People's Republic of China Replace GB/T 4728.7-2008 Graphical Symbols for Electrical Diagrams Part 7.Switching, control and protection devices Released on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. This document is part 7 of GB/T 4728 "Graphical Symbols for Electrical Diagrams". GB/T 4728 has released the following parts. --- Part 1.General requirements; --- Part 2.Symbol elements, qualifier symbols and other commonly used symbols; --- Part 3.Conductors and connectors; --- Part 4.Basic passive components; --- Part 5.Semiconductor tubes and electron tubes; --- Part 6.Generation and conversion of electrical energy; --- Part 7.Switches, control and protection devices; --- Part 8.Measuring instruments, lamps and signaling devices; --- Part 9.Telecommunications. switching and peripheral equipment; --- Part 10.Telecommunications. Transmission; --- Part 11.Building installation floor plan; --- Part 12.Binary logic elements; --- Part 13.Analog components. This document replaces GB/T 4728.7-2008 "Graphical Symbols for Electrical Diagrams - Part 7.Switches, Control and Protection Devices", and Compared with GB/T 4728.7-2008, the main technical changes are as follows. --- Added new symbols. S01848, S01855, S01856, S01857, S01858, S01911, S01912; --- Added some application notes involved in the new symbols; ---According to the IEC 60617 database standard, the information listed by multiple symbols has been changed from the older version to adopt symbols or apply to symbols number; --- Incorporate the symbols abolished in the.2008 edition into Appendix NA. This document is equivalent to the corresponding version of IEC 60617database "Graphic Symbols for Simplified Diagrams" (English version of snapshot printing on March 2, 2021) Should part. The following editorial changes were made to this document. --- Modified the name of the standard; --- Added Appendix NA, which lists the repealed --- Graphical symbols for reference only. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Electrical Information Structure, Documentation and Graphic Symbol Standardization Technical Committee (SAC/TC27). This document is drafted by. Xiamen Zongshun Construction Engineering Co., Ltd., China Machinery Productivity Promotion Center, Guangzhou Kaihui Electronics Co., Ltd., China National Aviation Planning, Design and Research Institute Co., Ltd., State Grid Sichuan Electric Power Company Economic and Technological Research Institute, and China Building Standard Design and Research Institute have Co., Ltd., Institute of Electronic Engineering, China Academy of Engineering Physics, Hangyue Smart Electric Co., Ltd., Dongying Jinfeng Zhengyang Technology Development Co., Ltd. Co., Ltd., Zhejiang Bada Electronic Instrument Co., Ltd. Shitong Electric Branch, Foshan Tianyi Electric Co., Ltd., Fangfang Electric Co., Ltd., Jinggangshan Power Plant of Huaneng International Power Co., Ltd., Guangdong Yudean Xinhui Power Generation Co., Ltd., Kerun Intelligent Control Co., Ltd., China State Power Construction Group Shandong Electric Power Construction Co., Ltd., Hefei Kangerxin Power System Co., Ltd., Zhejiang Huahui Electric Co., Ltd., Inner Mongolia Ancient First Machinery Group Co., Ltd. The main drafters of this document. Gao Yongmei, Zhou Jianyi, Lu Xia, Ren Hao, Xu Lingxian, Jin Song, Chen Weidong, Yang Jianfeng, Fu Ruijun, Ni Honghua, Ying Kai, Wang Lijian, Hou Jinbao, Huang Xiaoming, Fang Zhongfang, Ge Qiyun, Liu Hongtao, Zou Guoxiang, Cai Xinglin, Qi Xuexue. The release status of previous versions of this document and the documents it replaces are as follows. ---First published as GB/T 4728.7-1984 in 1984; ---The first revision in.2000; ---The second revision in.2008; --- This is the third revision.

Introduction

The concept of graphic symbols is usually understood as "transmitting information with intuitive graphics without using language". Graphical symbols for electrical diagrams are drawn The international general engineering language necessary for electrical schematic diagrams plays an important role in international technical exchanges in the electrical field. GB/T 4728 aims to specify machinery, electric power, construction, metallurgy, coal, petroleum, railway, transportation, electronics, chemical industry, textile, radio and television, weapons, Symbols used in electrical design in various fields such as ships, post and telecommunications, aviation, aerospace, information, national defense technology, etc., are divided into 13 parts. --- Part 1.General requirements; --- Part 2.Symbol elements, qualifier symbols and other commonly used symbols; --- Part 3.Conductors and connectors; --- Part 4.Basic passive components; --- Part 5.Semiconductor tubes and electron tubes; --- Part 6.Generation and conversion of electrical energy; --- Part 7.Switches, control and protection devices; --- Part 8.Measuring instruments, lamps and signaling devices; --- Part 9.Telecommunications. switching and peripheral equipment; --- Part 10.Telecommunications. Transmission; --- Part 11.Building installation floor plan; --- Part 12.Binary logic elements; --- Part 13.Analog components. Graphical Symbols for Electrical Diagrams Part 7.Switching, control and protection devices

1 Scope

S00218 Name. Contactor function Contactor function Status. Standard IEC Release Date..2001-07-01 Previous standard serial number. GB/T 4728.7 07-01-01 Keywords.contactor,contact For. S00284,S00285,S00286,S00377,S01413 Application Note. A00061 Shape category. semicircle Functional category. - functional element or attribute Application category. conceptual elements or qualifiers S00219 Name. Circuit Breaker Function Status. Standard IEC Release Date..2001-07-01 Previous standard serial number. GB/T 4728.7 07-01-02 Keywords.circuit breaker For. S00287,S01413,S01860 Application Note. A00061 Shape category. straight line Functional category. - functional element or attribute Application category. conceptual elements or qualifiers ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 4728.7-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 4728.7-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 10 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 4728.7-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 4728.7-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 4728.7-2022?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4728.7-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.