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GBZ40680-2021: General requirements for residual current operated protective devices for D. C. system
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| GB/Z 40680-2021 | English | 584 |
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General requirements for residual current operated protective devices for D. C. system
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GB/Z 40680-2021
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Basic data | Standard ID | GB/Z 40680-2021 (GB/Z40680-2021) | | Description (Translated English) | General requirements for residual current operated protective devices for D. C. system | | Sector / Industry | National Standard | | Classification of Chinese Standard | K31 | | Word Count Estimation | 34,318 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GBZ40680-2021: General requirements for residual current operated protective devices for D. C. system
---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.
GB /Z 40680-2021
General requirements for residual current operated protective devices for DCsystem
ICS 29.120.50
CCSK31
National Standardization Guiding Technical Documents of the People's Republic of China
Residual current for DC system
General requirements for action protection appliances
(IEC TS63053.2017, IDT)
Released on 2021-10-11
2022-05-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 3
4 Category 4
5 Characteristics of residual current appliances 6
6 Logo and other product information 10
7 Working conditions for use and installation 11
8 Structural and operational requirements 12
9 Drafting of DC-RCD product standard test clauses 17
Appendix A (informative) Recommended circuit diagram for short-circuit test 27
Reference 30
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 of Standardization Documents"
Drafting.
The translation method used in this document is equivalent to the adoption of IEC TS63053.2017 ``General Principles of Residual Current Action Protection for Electrical Appliances in DC Systems
Require".
The Chinese documents that have consistent correspondence with the normatively cited international documents in this document are as follows.
---GB/T 5465.2-2008 Graphical symbols for electrical equipment Part 2.Graphical symbols (IEC 60417DB..2007,
IDT);
---GB/T 16935.1-2008 Insulation coordination of equipment in low-voltage systems Part 1.Principles, requirements and tests
(IEC 60664-1.2007, IDT);
---GB/T 17626.2-2018 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test (IEC 61000-4-2.
2008, IDT);
---GB/T 17626.3-2016 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test
(IEC 61000-4-3.2010, IDT);
---GB/T 17626.4-2018 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test
(IEC 61000-4-4.2012, IDT);
---GB/T 17626.5-2019 Electromagnetic compatibility test and measurement technology surge (impact) immunity test (IEC 61000-4-5.
2014, IDT);
---GB/T 17626.6-2017 Electromagnetic compatibility test and measurement technology Radio frequency field induced conducted disturbance immunity
(IEC 61000-4-6.2013, IDT);
---GB/T 17626.16-2007 electromagnetic compatibility test and measurement technology 0Hz~150kHz common mode conducted disturbance immunity
Test (IEC 61000-4-16.2002, IDT);
---GB/T 17626.17-2005 Electromagnetic compatibility test and measurement technology DC power input port ripple immunity test
(IEC 61000-4-17.2002, IDT);
---GB/T 17799.1-2017 Electromagnetic compatibility general standard Residential, commercial and light industrial environment immunity
(IEC 61000-6-1.2005, MOD);
---GB/T 17799.2-2003 Electromagnetic compatibility general standard industrial environment immunity test (IEC 61000-6-2.
1999, IDT);
---GB 17799.3-2012 EMC general standard for emissions in residential, commercial and light industrial environments (IEC 61000-6-3.
2011, IDT);
---GB 17799.4-2012 EMC general standard emission in industrial environment (IEC 61000-6-4.2011, IDT);
---GB/T 17045-2020 Electric shock protection devices and general parts of equipment (IEC 61140.2016, IDT);
---GB/T 18499-2008 Residual current operated protector (RCD) electromagnetic compatibility for household and similar purposes
(IEC 61543.1995, IDT);
---GB/T 37751.2-2019 Residual current operated circuit breakers for household and similar purposes Part 2.Residual current electrical appliances
(RCD) Vocabulary (IEC 62873-2.2016, IDT).
The following editorial changes have been made to this document.
---Delete IEC 60060-1, IEC 60060-2, IEC 60068-3-4, IEC 60529 that are cited for information in Chapter 2 of the International Standard,
And listed it in the references.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed by the China Electrical Equipment Industry Association.
This document is under the jurisdiction of the National Low-Voltage Apparatus Standardization Technical Committee (SAC/TC189).
Drafting organizations of this document. Shanghai Electric Research Institute, Zhejiang Chint Electric Co., Ltd., Shanghai Liangxin Electric Co., Ltd.,
Changshu Switch Manufacturing Co., Ltd. (formerly Changshu Switch Factory), Schneider Electric (China) Co., Ltd. Shanghai Branch, Qingdao Dingxin Communication Co., Ltd.
Co., Ltd., Guizhou Taiyong Long March Technology Co., Ltd., Beijing ABB Low Voltage Electric Co., Ltd., Siemens (China) Co., Ltd., Shanghai
Noak Electric Co., Ltd., Jiangsu Daquan Kaifan Switch Co., Ltd., Zhejiang People Electric Co., Ltd., Delixi Electric Co., Ltd., Zhongshan
Kaipu Electric Co., Ltd., Yuyao Jiarong Electronic Appliance Co., Ltd., Shanghai Siemens Line Protection System Co., Ltd., Shanghai Jingyi Electric
Apparatus Factory Co., Ltd., Shanghai Tianwei Certification Technology Co., Ltd.
The main drafters of this document. Wang Yuxuan, Li Luobin, Yang Na, Zhou Jianxing, Xu Lei, Wang Jianhua, Wang Zhiguo, Wang Nong, Hu Hongyu, Zhou Changqing,
Wang Huazhang, Bao Zhizhou, Bai Jianshe, Zou Jianhua, Qian Jiacan, Xiong Houyu, Gu Dekang.
Residual current for DC system
General requirements for action protection appliances
1 Scope
This document acts on residual currents that are expected to be used in DC systems, with a rated voltage not exceeding 400V DC and a rated current not exceeding 125A.
The drafting and test procedures for the protection of electrical appliances (hereinafter referred to as DC-RCD) standards set out the minimum general requirements, recommendations and information.
Note 1.This document can also be used as a guide for DC-RCD with a voltage not exceeding 1500V.
This document is mainly used as a reference for drafting DC-RCD product safety standards.
This document cannot be used alone, but can be used by technical committees to draft product standards similar to the scope of this document.
This document is suitable for detecting the residual current, comparing it with the reference value, and opening the contact or opening when the residual current exceeds the reference value.
Extremely electrical.
This document also includes combined appliances, each of which performs one or two of the above functions separately, but works together to complete all three
Features.
Note 2.RCM (Residual Current Monitor in accordance with IEC 62020) only monitors electrical installations but does not provide protection. It is not included in this document and is not regarded as DC-
RCD similar products or equivalent products.
According to IEC 60364-4-41, after the exposed conductive parts of the device are connected to a suitable ground electrode, the DC-RCD is expected to be used to provide faults
Protect.
The DC-RCD with the rated DC residual operating current not exceeding 80mA can also provide additional
Protect.
According to IEC 60364-4-42, a residual current device with a rated residual operating current not exceeding 300mA can also be used for continuous earth faults.
Provide protection against fire hazards caused by electric current.
DC-RCD is suitable for isolation. In addition to the single-pole DC-RCD with two current loops is not suitable for IT systems, DC-RCD is suitable for
All power systems.
General type DC-RCD is resistant to false tripping, including surge voltage (caused by transient overvoltage or lightning induction) to generate load current in the device
And no flashover occurred.
Note 3.The installation and use rules of RCD are given in IEC 60364 (all parts).
Note 4.A surge protector installed downstream of the DC-RCD and connected in a common mode may cause false tripping.
The requirements of this document apply to normal environmental conditions (see 7.1). For DC-RCD used under severe environmental conditions, it can be supplemented with
Add requirements.
Note 5.For DC-RCDs with a degree of protection higher than IP20, a special structure may be required.
This document does not include DC-RCDs that use batteries.
IEC TR60755 contains specific additional requirements for RCDs assembled or embedded in equipment. These specific additional requirements also apply to
DC-RCD.
2 Normative references
The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
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