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GB/T 4343.2-2026: Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 2: Immunity
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GB/T 4343.2: Evolution and historical versions
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| GB/T 4343.2-2026 | English | 619 |
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Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 2: Immunity
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| GB/T 4343.2-2020 | English | 285 |
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Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 2: Immunity
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| GB 4343.2-2009 | English | 85 |
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[GB/T 4343.2-2009] Electromagnetic compatibility -- Requirements for household appliances, electric tools and similar apparatus -- Part 2: Immunity
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| GB 4343.2-1999 | English | 639 |
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Electromagnetic compatibility Requirements for household appliances, electric tools and similar apparatus Part 2: Immunity--Product family standard
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Basic data | Standard ID | GB/T 4343.2-2026 (GB/T4343.2-2026) | | Description (Translated English) | Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 2: Immunity | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K64 | | Classification of International Standard | 33.100 | | Word Count Estimation | 30,384 | | Date of Issue | 2026-02-27 | | Date of Implementation | 2027-03-01 | | Older Standard (superseded by this standard) | GB/T 4343.2-2020 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 4343.2-2026: Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 2: Immunity
---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 33.100
CCSK64
National Standards of the People's Republic of China
Replaces GB/T 4343.2-2020
Electromagnetic fields of household appliances, power tools and similar equipment
Compatibility Requirements Part 2.Immunity
Released on February 27, 2026; to be implemented on March 1, 2027.
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Table of contents
Preface III
Introduction V
1.Scope 1
2 Normative References 2
3.Terms, Definitions, and Abbreviations
3.1 General Provisions 3
3.2 General Terms and Definitions
3.3 Abbreviations 6
4.Classification of utensils 6.
5.Experiment 7
5.1 Electrostatic Discharge 7
5.2 Electrical Fast Transients 7
5.3 Injection Current (0.15MHz~230MHz) 8
5.4 Injection Current (0.15MHz~80MHz) 10
5.5 Radio Frequency Electromagnetic Fields (80MHz~6GHz) 11
5.6 Surge 11
5.7 Voltage sag 12
6 Performance Criteria 12
7.Applicability of Immunity Testing 13
7.1 General Rules 13
7.2 Experimental Application of Different Types of Instruments 13
7.2.1 General Rule 13
7.2.2 Class I 13
7.2.3 Class II 13
7.2.4 Class III 13
7.2.5 Class IV 14
7.2.6 Class V 14
7.2.7 Exception 15
8.Test conditions 15
8.1 General Rules 15
8.2 Power grid supply 15
8.2.1 Voltage at the AC power port. 15
8.2.2 AC power port frequency 16
8.3 DC power supply 16
8.3.1 Battery powered 16
8.3.2 Non-battery powered DC power supply 16
8.4 Specific Test Conditions 16
8.4.1 Control Settings 16
8.4.2 Peripheral Equipment 16
8.4.3 Specific Equipment 17
8.5 Test Procedure 18
8.6 Multifunctional Equipment 19
8.7 Devices with built-in lighting function 19
8.8 Devices with radio functionality 19
9.Compliance of this document 19
10 Test uncertainty 20
11 Test Report 20
Appendix A (Informative) Guidelines for Permissible Performance Degradation 21
References 22
Figure 1.Example 4 of the port.
Figure 2 shows an example of a test setup for an EUT (e.g., a cold storage unit), where the cable is positioned at a height exceeding [missing information - likely a height in meters].
9 above 1m from the ground
Table 1.Housing Ports 7
Table 2.Signal Ports, Control Ports, and Wired Network Ports (7)
Table 3 DC Power Supply Input and Output Ports (8)
Table 4.AC Power Input and Output Ports (8)
Table 5.Signal Ports, Control Ports, and Wired Network Ports (9)
Table 6 DC Power Supply Input and Output Ports 9
Table 7 AC power input and output ports 10
Table 8 Signal Ports, Control Ports, and Wired Network Ports 10
Table 9 DC Power Input and Output Ports 10
Table 10 AC power input and output ports 11
Table 11 Housing Port 11
Table 12 AC power input port 11
Table 13 Wired Network Port 12
Table 14 AC power input port 12
Table 15.Immunity tests applicable to Class II 13
Table 16 Immunity Tests Applicable to Category III 14
Table 17 Immunity Tests Applicable to Category IV 14
Table 18 Immunity Tests Applicable to Class V
Table A.1 Examples of performance degradation 21
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document is Part 2 of GB (/T)4343 "Electromagnetic compatibility requirements for household appliances, power tools and similar appliances". GB (/T)4343
The following sections have been released.
---Part 1.Launch (GB 4343.1);
---Part 2.Immunity (GB/T 4343.2).
This document replaces GB/T 4343.2-2020 "Electromagnetic compatibility requirements for household appliances, power tools and similar appliances - Part 2.Electromagnetic resistance".
Compared with GB/T 4343.2-2020, the main technical changes in "Disorder" are as follows, apart from structural adjustments and editorial modifications.
a) The frequency range for radiated immunity has been changed (see Chapter 1, Chapter 1 in the 2020 edition);
b) Removed "electromagnetic compatibility", "mass production", "electric toys", "battery toys", "transformer toys", "dual power supply toys", and "safety isolation".
"Transformer", "Safety Transformer for Toys", "Assembly Toys", "Experimental Toys", "Functional Toys", "Normal Operation of Toys"
Terminology and definitions; added "Radio Frequency," "Equipment Under Test," "System Under Test," "Test System," "Measurement Auxiliary Equipment," and "Auxiliary Equipment."
"Peripheral equipment", "Grid-powered equipment", "Battery-powered equipment", "Grid power", "Battery power", "Power port", "Signal port"
"Control Port", "Wired Network Port", "External Power Supply", "Typical Load", "Typical Power Supply", "Robotic Equipment", "Robotic Cleaning"
The terms and definitions for “equipment”, “radio transmitter”, and “radio receiver” have been revised; the terms “port”, “casing port”, and “clock” have been changed.
The definition of "frequency" has been revised; the term "safe extra-low voltage" has been changed to "extra-low voltage" and its definition has been modified (see Chapter 3, 2020 edition).
Chapter 3);
c) The device classification has been changed (see Chapter 4, Chapter 4 in the 2020 edition);
d) Added requirements for wired network ports (see 5.2–5.4 and 5.6);
e) The requirements for radio frequency electromagnetic field testing have been changed (see 5.5, 2020 version 5.5);
f) The surge immunity test requirements have been changed (see 5.6, 2020 version of 5.6);
g) The voltage sag test requirements have been changed (see 5.7, 2020 version 5.7);
h) The application of equipment in Class III testing has been modified (see 7.2.4, 7.2.3 in the 2020 version);
i) The application of equipment in Class V testing has been expanded (see 7.2.6);
j) Increased the applicability requirements for devices with radio functionality (see 8.8);
k) General test conditions have been changed (see 8.1, 2020 version 8.1);
l) Specific test conditions have been added (see Chapter 8);
m) The requirement for statistical evaluation has been removed (see 9.2 and 9.3 in the 2020 version);
n) The conformance of this document has been changed (see Chapter 9, 9.1 of the 2020 edition);
o) A test report has been added (see Chapter 11).
This document is modified to adopt CISPR 14-2.2020 "Electromagnetic compatibility – Requirements for household appliances, power tools and similar appliances – Part 2."
Immunity Product Series Standards.
The technical differences between this document and CISPR 14-2.2020, and the reasons therefor, are as follows.
---IEC 61000-4-3.2006 AMD1.2007 AMD2.has been replaced with the normatively referenced GB/T 17626.3-2023.
2010 (see 5.5), to adapt to my country's technological conditions and increase operability;
---The recommended test voltage has been changed (see 8.2.1) to suit my country's national conditions.
The following editorial changes have been made to this document.
---To harmonize with existing standards, the standard name has been changed to "Electromagnetic Compatibility Requirements for Household Appliances, Power Tools and Similar Appliances, Part 2".
Part. Immunity;
---Correct "5/50nsTr/T d" to "5ns/50nsTr/T w" in Tables 2, 3, and 4;
---Correct "Table 13" to "Table 14" in the first paragraph of section 5.7.
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed and is under the jurisdiction of the National Technical Committee on Radio Interference Standardization (SAC/TC79).
This document was drafted by. China Electric Power Research Institute Co., Ltd., Shanghai Electric Tool Research Institute (Group) Co., Ltd., and Hisense.
Air Conditioning Co., Ltd., Ecovacs Robotics Co., Ltd., Midea Group (Shanghai) Co., Ltd., Hefei Hualing Co., Ltd., Guangdong Fen
Ni Energy Technology Co., Ltd., Zhuhai Gree Electric Appliances Co., Ltd., Daikin (China) Investment Co., Ltd., Zhejiang Liangye Group Co., Ltd.
Zhejiang SUPOR Co., Ltd., Weikai Testing Technology Co., Ltd., Guangdong Midea Refrigeration Equipment Co., Ltd., China Mobile (Hangzhou) Information Technology Co., Ltd.
Limited Liability Company, Xiaomi Communications Technology Co., Ltd., Future Wearable Health Technology Co., Ltd., Guangdong Galanz Electrical Manufacturing Co., Ltd.
Guangdong Provincial Institute of Medical Device Quality Supervision and Inspection, YueLi Group Co., Ltd., Shenzhen Topband Co., Ltd., and A.O. Smith (China)
Water heater company, Hisense refrigerator company, TCL air conditioner (Zhongshan) company, BSH Home Appliances (Jiangsu) company, Amway
(China) Daily Necessities Co., Ltd., Guangdong Huanengda Electric Appliances Co., Ltd., Qingdao Haier Refrigerator Co., Ltd., Guangdong Wanle Gas Appliances Co., Ltd.
The company, Guangdong Xinbao Electric Appliances Co., Ltd., Qingdao Haier Air Conditioner Co., Ltd., Positec Technology (China) Co., Ltd., Panasonic Wanbao
Meijian Home Appliances (Guangzhou) Co., Ltd., AUX Air Conditioning Co., Ltd., Vatti Corporation, and Qingdao Hisense Hitachi Air Conditioning Systems
Limited Liability Company, China Household Electric Appliance Research Institute (Beijing) Testing and Certification Co., Ltd., Changzhou Information Vocational and Technical College, Guangdong Qiaokang Electric Appliance Co., Ltd., Little Bear
Electrical Appliances Co., Ltd., Guangdong Shangyan Electronic Technology Co., Ltd., Shenzhen Youlai Intelligent Electronics Co., Ltd., Zhejiang Bolai Tools Co., Ltd.
The company, Shenzhen Sanlida Electric Technology Co., Ltd., Foshan Shunde Jinuode Electric Manufacturing Co., Ltd., and Zhejiang Nengzhe Technology Co., Ltd.
Si, Zhongxian Nantai Electronics Co., Ltd.
The main drafters of this document are. Liu Guorong, Deng Junyong, Xiu Chao, Bie Qingfeng, Bao Yinquan, Guo Haiyang, Ruan Zhaozhong, Liu Yang, Wan Jinming, and Zhang Jianqiang.
Wang Liang, Li Songcheng, Zeng Bo, Zhong Huixia, Tan Huaquan, Shen Yuanhai, Gao Shuying, Chen Honghong, Tan Peng, Peng Xincheng, Ma Dengliang, Ou Liang, Yang Guobin
Han Jingbo, Xi Tao, Wang Jian, Su Juchang, Li Jiazhong, Wang Ming, Liu Bing, Chen Guanghua, Lü Jifang, Ding Yucai, Ai Linhua, Zhuo Senqing, Liang Jianming,
Zhang Wenqiang, Li Yan, Yang Cheng, Yang Zhenqiao, Zhang Shaoyong, Lu Gaofeng, Zhang Lei, Li Tingjin, Li Chuang, Huang Weiping, He Jian, Fan Zhonghua, Zhang Meng, Liu Song
Chi Haogong, Zhang Yanyan, Yang Qingfeng.
The release history of this document and the document it replaces is as follows.
GB 4343.2-1999 was first published in.1999.
---First revised in.2009 as GB/T 4343.2-2009, and revised a second time in 2020;
---This is the third revision.
Introduction
To standardize the electromagnetic compatibility (EMC) of household appliances, power tools, and similar equipment, comprehensive EMC requirements are established, including emission requirements and immunity requirements.
The proposed standard GB (/T) 4343, "Electromagnetic Compatibility Requirements for Household Appliances, Power Tools and Similar Apparatus," consists of two parts, specifying...
Electromagnetic compatibility emission requirements and immunity requirements for household appliances, power tools and similar equipment.
---Part 1.Transmission. The purpose is to establish electromagnetic compatibility (EMC) transmission requirements for household appliances, power tools, and similar equipment, providing a basis for wireless...
The electrical spectrum provides sufficient protection to ensure that radio services in the 9kHz–400GHz band operate as intended; at the same time, it stipulates
Relevant procedures ensure the reproducibility of measurements and the repeatability of results.
---Part 2.Immunity. The purpose is to establish electromagnetic compatibility immunity requirements for household appliances, power tools, and similar appliances.
Within the 0Hz~400GHz frequency band, the EUT possesses a sufficient level of immunity to operate as expected in its operating environment;
At the same time, procedures are stipulated to ensure the reproducibility of the experiment and the repeatability of the results.
Electromagnetic fields of household appliances, power tools and similar equipment
Compatibility Requirements Part 2.Immunity
1 Scope
This document specifies electromagnetic immunity requirements for the frequency range of 0Hz to 400GHz, and applies to household appliances and electric appliances as defined below.
Tools and similar appliances, whether powered by AC or DC (including batteries).
This document specifies the immunity requirements for continuous and transient electromagnetic disturbances caused by conduction and radiation.
Unless otherwise specified, this document applies to all equipment included in the scope of CISPR 14-1, namely.
---Household appliances or similar appliances;
Note 1.Examples of device applications are as follows.
--- Typical domestic functions used in a home environment, including the house and its related buildings, gardens, etc.;
---Typical domestic functions for use in shops, offices, businesses, and other similar work environments;
---Used on farms;
---For use by customers in hotel and other residential settings;
---For use in induction cooking or air conditioning in residential or commercial environments.
---Power tools;
Note 2.Examples of power tools include hand tools, portable tools, lawn and garden machinery that are driven by electric motors or electromagnetically.
---Similar tools.
Note 3.Example as follows.
---External power controller using semiconductor devices;
---Electric medical devices driven by electric motors;
---Electric toys;
---Personal care and beauty care appliances;
---Automatic vending machine;
---Amusement arcade machines;
---Movie projector or slide projector;
---Battery chargers and external power supplies for use with products covered by this document;
---Electric fence actuator.
Microwave ovens for household or catering services are also included within the scope of this document.
Devices that include radio transmitting/receiving capabilities are within the scope of this document.
Note 4.For situations where the equipment covered by this document includes radio transmitting and/or receiving capabilities, see Chapter 8.
The following are not included in the scope of this document.
---In all other national standards corresponding to the International Electrotechnical Commission (IEC) or the International Special Committee on Radio Interference (CISPR)
Equipment for which electromagnetic immunity requirements are explicitly specified in the text;
Note 5.Example as follows.
---Lighting fixtures, including portable child-friendly lighting fixtures, discharge lighting fixtures, LED lighting fixtures, and other lighting equipment within the scope of IEC 61547 (exceptions)
(See 8.7)
---Multimedia devices within the CISPR35 range;
---Grid communication devices, including baby monitoring systems;
--- Arc welding equipment.
---Electrical installations and equipment (such as fuses, circuit breakers, cables, and switches) intended to be permanently installed on the building;
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