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GB/T 4208-2017

Chinese Standard: 'GB/T 4208-2017'
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Detail Information of GB/T 4208-2017; GB/T4208-2017
Description (Translated English): Degrees of protection provided by enclosure(IP code)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K09
Classification of International Standard: 13.260
Word Count Estimation: 38,357
Date of Issue: 2017-07-31
Date of Implementation: 2018-02-01
Drafting Organization: Machinery Industry Beijing Institute of Technology and Economic Technology, Hangzhou River Switch Co., Ltd., Shanghai Electric Tools Research Institute, Wei Kai Detection Technology Co., Ltd., Suzhou Electric Science Research Institute Co., Ltd., Shanghai Electrical Equipment Testing Institute, Guangdong product quality supervision and inspection Research Institute, Dongguan Guang-An Electric Testing Center Co., Ltd., Zhejiang Zhengtai Electric Appliance Co., Ltd., Dongguan Kexiang Test Equipment Co., Ltd., Tianshui 2111 Electric Co., Ltd., Beijing ABB Low Voltage Electric Co., Ltd., Nanjing Mannai Kesi Electric Co., Ltd. Company, Schneider Electric (Shanghai) Co., Ltd., Beijing Breakthrough Electric Co., Ltd.
Administrative Organization: National Electrical Safety Standardization Technical Committee (SAC / TC 25)
Proposing organization: National Electrical Safety Standardization Technical Committee (SAC / TC 25)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee

GB/T 4208-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.260
K 09
GB/T 4208-2017 / IEC 60529.2013
Replacing GB/T 4208-2008
Degrees of protection provided by enclosures (IP code)
外壳防护等级(IP 代码)
(IEC 60529.2013, IDT)
ISSUED ON. JULY 31, 2017
IMPLEMENTED ON. FEBRUARY 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 4
Introduction .. 6
1 Scope .. 7
2 Normative references ... 8
3 Terms and definitions ... 8
4 Designations ... 11
5 Degrees of protection against access to hazardous parts and against solid
foreign objects indicated by the first characteristic numeral ... 13
6 Degrees of protection against ingress of water indicated by the second
characteristic numeral ... 15
7 Degrees of protection against access to hazardous parts indicated by the
additional letter... 18
8 Supplementary letters ... 19
9 Examples of designations with the IP code ... 19
10 Marking ... 21
11 General requirements for tests ... 21
12 Tests for protection against access to hazardous parts indicated by the first
characteristic numeral ... 23
13 Tests for protection against solid foreign objects indicated by the first
characteristic numeral ... 26
14 Tests for protection against water indicated by the second characteristic
numeral ... 29
15 Tests for protection against access to hazardous parts indicated by the
additional letter... 36
Annex A (informative) Examples of IP coding for the verification of protection of
low-voltage equipment against access to hazardous parts .. 48
Annex B (informative) Contents may be specified in the relevant product
standard .. 53
Bibliography ... 56
Foreword
This Standard was drafted in accordance with the rules given GB/T 1.1-2009.
This Standard replaces GB/T 4208-2008 “Degrees of protection provided by
enclosures (IP code)”. Compared with GB/T 4208-2008 “Degrees of protection
provided by enclosures (IP code)”, the main technical changes except for
editorial modifications are as follows.
- 4.1, add second characteristic numeral 9 in the arrangement of the IP code;
- 4.2, add the meaning of second characteristic numeral 9;
- 4.3, add the example of 3 markings, i.e. IPX5/IPX7/IPX9, on the enclosure;
- Clause 6, revise the range of application when second characteristic
numeral is higher than 6;
- Table 8, add test means and main test conditions for the test for protection
against water of second characteristic numeral 9;
- 14.2.9, add test for second characteristic numeral 9. water jetting;
- ADD Figure 7 -- Dimensions of sector nozzle;
- ADD Figure 8 -- Dimensions of sector nozzle hole for test;
- ADD Figure 9 -- Example of sector nozzle with different surface smoothness;
- ADD Figure 10 -- Device to measure impact force of water jets and
protection against IPX9 high-temperature/high-pressure water jets;
- ADD Figure 11 -- Distribution of impact force;
- ADD Figure 12 -- Test to verify IPX9 degree of protection provided by small
enclosures against high-temperature/high-pressure water jets;
- ADD B.25 in Annex B.
This Standard uses the translation method to be identical with IEC 60529.2013
“Degrees of protection provided by enclosures (IP code)” (English version).
The documents of China that are consistent with the corresponding
international documents that are normative references in this Standard are as
follows.
- GB/T 311.2-2013 Insulation co-ordination - Part 2. Application guide (IEC
60071-2.1996, MOD)
- GB/T 2900.71-2008 Electrotechnical terminology - Electrical installations
(IEC 60050-826.2004, IDT)
- GB/T 2900.73-2008 Electrotechnical terminology - Earthing and protection
against electric shock (IEC 60050-195.1998, MOD)
This Standard is proposed and shall be under the jurisdiction of National
Technical Committee on Electrical Safety of Standardization Administration of
China (SAC/TC 25).
Main drafting organizations of this Standard. Machinery Industry Beijing
Electrotechnical Institute of Economic Research, Hangzhou Zhijiang Switch Co.,
Ltd., Shanghai Electric Tool Research Institute, Vkan Certification &Testing Co.,
Ltd., Suzhou Electrical Equipment Testing Institute Co., Ltd., Shanghai Testing
Institute of Electrical Equipment, Guangdong Product Quality Supervision and
Inspection Institute, Dongguan Guang'an Electric Testing Center Co., Ltd.,
Zhejiang Chint Electric Co., Ltd., Dongguan Kexiang Test Equipment Co., Ltd.,
Tianshui 213 Electrical Apparatus Co., Ltd., Beijing ABB Low Voltage Electrical
Apparatus Co., Ltd., Nanjing Mennekes Electric Co., Ltd., Schneider Electric
(Shanghai) Co., Ltd., Beijing Top Electric Co., Ltd.
Main drafters of this Standard. Guo Ting, Ma Hong, Ma Xuefeng, Pan Shunfang,
Liu Gonggui, Zhang Min, Wang Aiguo, Zeng Yanhong, Ma Guifen, Yuan
Xiaoxian, Chen Jianbing, Fang Fengshu, Che Hansheng, Ke Changzheng, Ni
Xi, Wang Zhongdan, Liang Jun, Zhang Ping, Jin Weidong.
The historical versions of the standard replaced by this Standard are as follows.
- GB 4208-1984, GB 4208-1993, GB/T 4208-2008.
Introduction
This Standard describes a system for classifying the degrees of protection
provided by the enclosures of electrical equipment. Whilst this system is
suitable for use with most types of electrical equipment, it should not be
assumed that all the listed degrees of protection are applicable to a particular
type of equipment. The manufacturer of the equipment should be consulted to
determine the degrees of protection available and the parts of equipment to
which the stated degree of protection applies.
The adoption of this classification system, wherever possible, will promote
uniformity in methods of describing the protection provided by the enclosure
and in the tests to prove the various degrees of protection. It should also reduce
the number of types of test devices necessary to test a wide range of products.
This second edition of IEC 60529 takes account of experiences with the first
edition AND clarifies the requirements. This Standard provides for an optional
extension of the IP code by an additional letter A, B, C, or D if the actual
protection of persons against access to hazardous parts is higher than that
indicated by the first characteristic numeral.
In this revision, only the degrees of protection of the second characteristic
numeral 9 is added, and the protection grade that has been specified in GB/T
4208-2008 is not modified. Therefore, the existing test methods are not
modified.
In general, enclosures with an IP coding to the first edition would be eligible for
the same code according to this edition.
Degrees of protection provided by enclosures (IP code)
1 Scope
This Standard applies to the classification of degrees of protection provided by
enclosures for electrical equipment with a rated voltage not exceeding 72.5 kV.
The object of this Standard is to give.
a) Definitions for degrees of protection provided by enclosures of electrical
equipment as regards.
1) protection of persons against access to hazardous parts inside the
enclosure;
2) protection of the equipment inside the enclosure against ingress of
solid foreign objects;
3) protection of the equipment inside the enclosure against harmful effects
due to the ingress of water.
b) Designations for these degrees of protection.
c) Requirements for each designation.
d) Tests to be performed to verify that the enclosure meets the requirements
of this Standard.
It will remain the responsibility of product standard to decide on the extent and
manner in which, the classification is used in their standards and to define
“enclosure” as it applies to their equipment. However, it is recommended that
for a given classification the tests do not differ from those specifi......
Related standard:   GB/T 4026-2019  GB 4706.109-2013
   
 
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