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GB/T 25085.4-2020 English PDF (GBT25085.4-2020)

GB/T 25085.4-2020 English PDF (GBT25085.4-2020)

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GB/T 25085.4-2020: Road vehicles--Automotive cables--Part 4: Dimensions and requirements for 30 V a. c. or 60 V d. c. single-core aluminium conductor cables
GB/T 25085.4-2020
Road vehicles - Automotive cables - Part 4.Dimensions and requirements for 30V acor 60V dcsingle-core aluminium conductor cables
ICS 43.040.10
T36
National Standards of People's Republic of China
Road vehicles and automotive cables. Part 4.Dimensions and requirements of AC 30V or DC 60V single-core aluminum conductor cables
2020-07-21 released
2021-02-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 General requirements 1
4.1 General test conditions 1
4.2 Safety precautions 2
4.3 Voltage range 2
4.4 Temperature class 2
4.5 Conductor material 2
4.6 Conductor 3
4.7 Insulation thickness 3
4.8 Cable outer diameter 3
4.9 Representative conductor specifications for test 3
4.10 Test items and requirements 3
5 Technical requirements 5
5.1 General 5
5.2 Dimension check 5
5.3 Electrical performance test 6
5.4 Mechanical performance test 6
5.5 Environmental test 8
Appendix A (informative appendix) Conductor specifications, number of filaments and filament diameter 12
Appendix NA (informative appendix) Product model list 15
Reference 16
Preface
GB/T 25085 "Road Vehicle Automotive Cable" is expected to be divided into 10 parts.
---Part 1.Vocabulary and design guide;
---Part 2.Test method;
---Part 3.Dimensions and requirements of AC 30V or DC 60V single-core copper conductor cables;
---Part 4.AC 30V or DC 60V single core aluminum conductor cable size and requirements;
---Part 5.Dimensions and requirements of AC 600V or DC 900V, AC 1000V or DC 1500V single-core copper conductor cables;
---Part 6.Dimensions and dimensions of AC 600V or DC 900V, AC 1000V or DC 1500V single-core aluminum conductor cables
Claim;
---Part 7.Dimension and size of shielded and unshielded multi-core and single-core copper conductor cables with AC 30V or DC 60V round sheath
Claim;
---Part 8.Dimensions and dimensions of shielded and unshielded multi-core and single-core aluminum conductor cables with AC 30V or DC 60V round sheath
Claim;
---Part 9.Shielded and unshielded for AC 600V or DC 900V, AC 1000V or DC 1500V circular sheath
The size and requirements of multi-core and single-core copper conductor cables;
---Part 10.Shielded and unshielded round sheaths of AC 600V or DC 900V, AC 1000V or DC 1500V
The size and requirements of multi-core and single-core aluminum conductor cables.
This part is Part 4 of GB/T 25085.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
The translation method used in this part is equivalent to the adoption of ISO 19642-4.2019 ``Road vehicles and automotive cables Part 4.AC 30V or direct
Dimensions and requirements of 60V single-core aluminum conductor cable.
The Chinese documents that have a consistent correspondence with the international documents cited in this section are as follows.
---GB/T 228.1-2010 Tensile Test of Metallic Materials Part 1.Room Temperature Test Method (ISO 6892-1.2009, MOD)
This section has made the following editorial changes.
---Moved the warning of ISO 19642-4.2019 to 4.2 of this part;
--- Use "√" instead of "×" (see Table 3);
--- Use "plus" instead of "" (see Table 3, 5.5.3, 5.5.4);
--- Replace "×" with "-" (see Table 4, Table 6, Table 7, Table 8, Table A.1, Table A.2);
---Added some notes, giving reference information about relevant domestic standards (see 4.5 note 2, footnote a in Table 2);
---Added informative appendix NA "Product Model List";
---Revised references.
This part was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This part is under the jurisdiction of the National Automotive Standardization Technical Committee (SAC/TC114).
Drafting organizations of this section. Shanghai Fuerxin Wire and Cable Co., Ltd., Changsha Automobile Electric Research Institute, FAW Jiefang Automobile Co., Ltd., Great Wall Motors
Co., Ltd., Geely Automobile Research Institute (Ningbo) Co., Ltd., SAIC Volkswagen Co., Ltd., Changchun Bulb and Wire Co., Ltd., Mande
Electronic Appliance Co., Ltd. Baoding Xushui Electric System Branch, Sichuan Fanhua Electric Co., Ltd., Henan Tianhai Electric Co., Ltd.
The main drafters of this section. Wang Yadong, Li Guoyu, Huo Tianyu, Hu Mengjiao, Li Weiyang, Li Guohui, Wang Sufeng, Zhang Guangyong, Wang Yanwen,
Zhang Jie, Zhai Zhixin, Lu Yong, Wang Rongxi, Chen Lingling, Li Qingsen.
Road vehicles automotive cables part 4.
AC 30V or DC 60V single core
Dimensions and requirements of aluminum conductor cables
1 Scope
This part of GB/T 25085 specifies that the nominal system voltage for general-purpose road vehicles shall not exceed AC 30V or DC 60V.
The size and requirements of core aluminum conductor cables.
This section applies to single-core cables for road vehicles, as well as to cores in multi-core cables.
2 Normative references
The following documents are indispensable for the quotation of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
3 Terms and definitions
The terms and definitions defined by ISO 19642-1 apply to this document.
4 General requirements
4.1 General test conditions
Should be tested in accordance with the provisions of Table 3 under the test conditions specified in ISO 19642-2.
If both parties agree to modify or change the test methods and requirements, all changes and modifications shall be recorded.
4.2 Safety precautions
The use of this section may involve hazardous materials, operations and equipment. This section is not intended to address possible problems related to the use of this section
All security issues. Users of this section are responsible for formulating appropriate safety regulations and determining the applicability of regulatory restrictions before use.
4.3 Voltage range
The upper limit of the cable voltage in this section is AC 30V and DC 60V.
4.4 Temperature class
The applicable temperature class of the aluminum conductor cable should meet the requirements of Table 1.
Table 1 Rated temperature class
4.5 Conductor material
The conductor shall consist of annealed or annealed compressed aluminum or aluminum alloy monofilaments. The requirements for a single conductor wire shall meet the requirements of Table 2 and
Material specification is completed. The elongation requirements shall be negotiated by the supplier and the buyer. All conductors of the finished cable should meet the resistance requirements of Table 7.
The monofilament of aluminum conductor shall be made of 1000 series aluminum or other alloys specified in EN573-1.The chemical composition should comply with EN573-3.
The requirements of Table 1 in.2013.
Note 1.See Appendix A for examples of twisted structures.
Note 2.The monofilament material and chemical composition of aluminum conductor can also refer to GB/T 16474-2011 and GB/T 3190-2008.
Table 2 Single filament characteristics after annealing
4.6 Conductor
The conductor of the finished cable should meet the requirements of cross-sectional area (CSA) and resistance in Table 7.
The maximum diameter of the conductor should meet the requirements of Table 8.
The stranded structure of the conductor is not a normative requirement.
Note 1.The existing stranded structure of aluminum conductors is shown in Table A.1.
Note 2.The recom...
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