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GB/T 16915.1-2024: Switches for household and similar fixed electrical installations - Part 1: General requirements
Status: Valid GB/T 16915.1: Evolution and historical versions
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Switches for household and similar fixed electrical installations - Part 1: General requirements
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Switches for household and similar fixed-electrical installations. Part 1: General requirements
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PDF similar to GB/T 16915.1-2024
Basic data | Standard ID | GB/T 16915.1-2024 (GB/T16915.1-2024) | | Description (Translated English) | Switches for household and similar fixed electrical installations - Part 1: General requirements | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K60 | | Classification of International Standard | 29.120.40 | | Word Count Estimation | 106,136 | | Date of Issue | 2024-09-29 | | Date of Implementation | 2025-10-01 | | Older Standard (superseded by this standard) | GB/T 16915.1-2014 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 16915.1-2024: Switches for household and similar fixed electrical installations - Part 1: General requirements
---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 29.120.40
CCSK60
National Standard of the People's Republic of China
Replaces GB/T 16915.1-2014
Switches for household and similar fixed electrical installations
Part 1.General requirements
Part 1.General requirements
Released on 2024-09-29
2025-10-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface V
Introduction IX
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 General requirements 6
5 General notes on the test 6
6 Rated value 8
7 Categories 9
8 Sign 10
9 Dimensional inspection 13
10 Protection against electric shock 13
11 Grounding measures 15
12 Terminal 16
13 Structural requirements 24
14 Switch mechanism 30
15 Aging resistance, protection provided by switch housing and moisture resistance 31
16 Insulation resistance and electrical strength 33
17 Temperature rise 36
18 Switching capacity 38
19 Normal operation 40
20 Mechanical strength 45
21 Heat resistance 49
22 Screws, current-carrying parts and connections 50
23 Creepage distance, electrical clearance and distance through sealant 51
24 Resistance of insulating materials to abnormal heat, flame and tracking 53
25 Rust-proof 55
26 Electromagnetic compatibility (EMC) requirements 55
Appendix A (Normative) Additional requirements for switches with flexible cable outlet devices and flexible cable retention devices 73
Annex B (informative) To coordinate IEC 60669-1 with IEC 60998 (all parts), IEC 60999 (all parts) and
GB/T 3956 requirements and future planned modifications 76
Appendix C (Informative) Source of the circuit 19.3 87
Appendix D (informative) Additional requirements and tests for switches intended to be used at temperatures below -5 °C 91
References 93
Figure 1 Pillar terminal 56
Figure 2 Screw terminals and stud terminals 57
Figure 3 Saddle terminal 58
Figure 4 Terminal block 58
Figure 5 Cover-type terminal 59
Figure 6 Self-threading locking screw 59
Figure 7 Self-cutting screw 59
Figure 8 Classification by connection method 60
Figure 9 Test device for checking the degree of wire damage 61
Figure 10 Screwless terminal bending test 62
Figure 11 Switching capacity and normal operation test circuit diagram 63
Figure 12 Switch test circuit diagram 63
Figure 13 Cover plate test configuration 64
Figure 14 Gauge for verifying the outline of the cover, cover plate or starting element (thickness about 2mm) 65
FIG. 15 Example 65 of applying the gauge of FIG. 14 to a cover that is not secured to a mounting surface or a support surface by screws
Figure 16 Example of applying the gauge of Figure 14 in accordance with the requirements of 20.8 66
Figure 17 Gauges for verifying grooves, holes and reverse tapers 67
FIG. 18 Schematic diagram of the gauge application direction of FIG. 17 67
Figure 19 Ball pressure test device 68
Figure 20 Schematic diagram for determining the insulating material parts to be tested (see 24.1) 68
Figure 21 Test wall required by 15.2.3 69
Figure 22 Direction 70 of the wire under 30N tension for 1min
Figure 23 Diaphragm and seal example Figure 72
Figure C.1 120V15W (LTspice model) 88
Figure C.2 230V15W (LTspice model) 89
Figure C.3 Multiple lamp model 90
Figure C.4 Ipeak and I2t 90 for multiple lamp loads
Table 1 Number of samples required for the test 7
Table 2 Relationship between the rated current of the switch and the rated power of the SBL circuit 8
Table 3 Preferred combinations of pole numbers and rated values 9
Table 4 Relationship between rated current and cross-sectional area of connectable copper conductor 16
Table 5 Structure of wire 17
Table 6 Tightening torque for verifying the mechanical strength of screw-type terminals 18
Table 7 Copper wire bending and pull-out test values 18
Table 8 Test values for pull-out test 19
Table 9 Relationship between rated current and cross-sectional area of copper wire that can be connected to screwless terminals 21
Table 10 Test current for verifying electrical stress and thermal stress of screwless terminals in normal use 22
Table 11 Cross-sectional area of rigid copper conductor for bending test without screw terminals 24
Table 12 Bending test force 24
Table 13 Forces applied to covers, cover plates or actuating elements not fixed by screws 26
Table 14 External diameter limits of surface mounted switch cables 28
Table 15 Test voltage application points for verifying insulation resistance and electrical strength 33
Table 16 Test voltage, test voltage application point and minimum insulation resistance for verifying electrical strength 36
Table 17 Temperature rise test current and cross-sectional area of copper conductor 37
Table 18 Ratio of total operation times 39
Table 19 Number of operations for normal operation test 40
Table 20 Current peak Ipeak and I2t values of different power distribution systems 43
Table 21 Theoretical circuit parameters 43
Table 22 Drop height of impact test 46
Table 23 Torque for verifying the mechanical strength of the gland 47
Table 24 Creepage distance, electrical clearance and distance through insulation sealant 52
Table A.1 Flexible cable external dimension limits 74
Table C.1 Light 87
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 1 of GB/T 16915 "Switches for household and similar fixed electrical installations". GB/T 16915 has been
The following parts were published.
--- Part 1.General requirements (GB/T 16915.1);
--- Part 2-1.Particular requirements for electronic control devices (GB/T 16915.2);
--- Part 2-2.Particular requirements for electromagnetic remote control switches (RCS) (GB/T 16915.3);
--- Part 2-3.Particular requirements for time delay switches (TDS) (GB/T 16915.4);
--- Part 2-4.Particular requirements for disconnectors (GB/T 16915.5);
--- Part 2-6.Particular requirements for fire switches for external or internal marking and lighting (GB/T 16915.7).
This document replaces GB/T 16915.1-2014 "Switches for household and similar fixed electrical installations - Part 1.General requirements"
Compared with GB/T 16915.1-2014, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Changed the range of switch-controlled motor loads, deleted the switch-controlled halogen lamp load circuit and combination circuit (see
Chapter 1, Chapter 1 of the.2014 edition);
--- Added the terms and definitions of "on/off switch", "main components", "seal", "inlet diaphragm", "protective diaphragm" and "external ballast lamp"
Definitions (see 3.1.1, 3.17, 3.18, 3.19, 3.20, 3.22), deleted the term and definition of "momentary push button switch" (see.2014
3.1.3 of the new version), the definitions of "normal gap structure switch", "small gap structure switch" and "screw terminal" have been changed (see 3.1.5, 3.1.6
and 3.5.2 of the.2014 edition; 3.1.5, 3.1.6 and 3.5.2 of the.2014 edition);
--- Changed the number of samples required for the test (see Table 1, Appendix A of the.2014 edition);
--- Increased the torque of the mounting screws (see Chapter 5);
---Added switches with rated current not exceeding 16A, switches with rated current greater than 16A and not exceeding 20A, and switches with rated current greater than
The description of the test in Chapter 19 for switches with a rated current of 20A has been added, and the test in 19.3 is not required for instantaneous switches (see Chapter 5);
--- Deleted the rated current of the pull-cord switch for small-capacity fixed lighting can be 4A (see 6.2 of the.2014 edition);
--- Changed the fluorescent lamp test and replaced it with the external self-ballast test (see 6.2, 19.2, 6.2, 19.2 of the.2014 edition);
--- Changed the rated power of the self-ballasted lamp (SBL) circuit (see Table 2, Table 20, Table 1, Table 19 of the.2014 edition);
--- Deleted the preferred protection level of the switch (see 6.3 of the.2014 edition);
--- Changed the classification of protection levels against harmful effects of contact with hazardous parts and against the entry of solid foreign objects (see 7.3,.2014
Version 7.1.9);
--- Added classification according to the level of protection against harmful water ingress (see 7.4);
--- Changed the identification position of the self-ballasted lamp (SBL) load mark (see 8.1, 8.1 of the.2014 edition);
--- Deleted the description of "rated current not exceeding 16A" for the switch in the protection against electric shock (see 10.3.1, 10.3 of the.2014 edition);
--- Added the structure table of the conductor (see Table 5);
--- Added the content of testing using flexible wires (see 12.2.5, 12.2.6, 12.2.7);
--- Changed the test value of the terminal pull-out test (see Table 8, Table 6 of the.2014 edition);
--- Change the description of the connecting wire to "connect the terminal to the wire specified in GB/T 3956" (see 12.2.7,.2014 edition
12.2.7);
--- Changed the measurement temperature cycle (see 12.3.11, 12.3.11 of the.2014 edition);
--- The structure of the switch should ensure that the wire does not activate the connection and/or disconnection device without screw terminals (see 13.2);
--- Changed the pulling force applied to the starting element of the rotary switch (see 13.5, 13.5 of the.2014 edition);
--- Added drainage measures for surface-mounted switches with protection level IPX6 (see 13.9);
--- Changed the maximum limit of cable outer diameter for surface mounted switches (see Table 14, Table 13 of the.2014 edition);
--- Added requirements for indicator light units (see 13.16);
--- Change "terminals with rated current of 10A" in footnote a to "screwless terminals" (see Table 17, Table 16 of the.2014 edition);
--- Changed the temperature rise value of the outer surface of the switch with indicator light (see 17.2, 17.2 of the.2014 edition);
--- Deleted the test device for breaking capacity and normal operation test (see Figure 12 of the.2014 edition);
--- Added overload test operation for switches with code 4 (see 18.2);
--- Deleted the test of load B (see 19.2 of the.2014 edition);
--- Changed the drop height of the pendulum impact test (see Table 22, Table 21 of the.2014 edition);
--- Screws or nuts that increase the transmission contact pressure should be made of metal (see 22.1);
--- Changed the creepage distance, electrical clearance and insulation sealant penetration distance table (see Table 24, Table 23 of the.2014 edition);
--- Added a cylindrical terminal (see Figure 1);
--- Changed the limits of flexible cable external dimensions (see Table A.1, Table 12a of the.2014 edition).
This document is modified to adopt IEC 60669-1.2017 "Switches for household and similar fixed electrical installations Part 1.General
Require".
The technical differences between this document and IEC 60669-1.2017 and their reasons are as follows.
--- Replaced IEC 60669-2-1.2002 (see Chapter 1 and 13.16) with the normative reference GB/T 16915.2-2024 to apply
In response to my country's technical conditions, increase operability;
--- Added normative references GB/T 20002.4 (see Chapter 4) to comply with my country's technical conditions;
--- Increased the torque of the mounting screws (see Chapter 5) to increase operability;
--- Deleted 130V, 240V, 277V, 400V and 415V in the preferred values of rated voltage of switches (see IEC 60669-1.
2017, 6.2), to comply with my country's power supply voltage level and the actual situation of switch products, and to increase operability;
--- Added the requirement of marking the number of this document and explained the marking location (see 8.1) to meet the technical conditions of my country.
Operability;
--- Deleted the 120V power distribution system column that is not applicable to my country (see Table 2, Table 19, Table 20 of IEC 60669-1.2017) to comply with
my country's power supply voltage level, increasing operability;
--- Deleted the description of the round hole terminal in footnote b to conform to my country's technical conditions and increase operability (see IEC 60669-1.2017
Table 4);
--- Added the structure table of the conductor (see Table 5) to meet my country's technical conditions and increase operability;
--- Added the requirements for marking switches with drain holes (see 8.3) to comply with my country's technical conditions and increase operability;
--- Changed the wipe test method of the mark (see 8.9) to achieve reproducibility and consistency of the test results and increase operability;
--- Changed the voltage of the electric indicator (see 10.1) to conform to my country's technical conditions and increase operability;
--- Changed the ambient temperature requirements for additional tests of thermoplastic materials or elastic materials in protection against electric shock (see 10.1) to meet our
The technical situation of the country increases operability;
--- The normative reference GB/T 13140.1 replaces IEC 60998-1.2002 (see 11.3) to adapt to my country's technical conditions and increase
Increase operability;
--- The normative reference GB/T 3956 replaces IEC 60228.2004 (see 12.1 and 12.2.7) to adapt to my country's technical requirements
parts, increase operability;
--- Replaced IEC 60245-4.2011 (see Chapter 13) with the normative reference GB/T 5013.4 to adapt to my country's technical conditions,
Increase operability;
--- Replaced IEC 60227-5.2011 (see Chapter 13) with the normative reference GB/T 5023.5 to adapt to my country's technical conditions,
Increase operability;
--- Deleted the "13A" rated current (see Table 3, 6.2, Table 13 of IEC 60669-1.2017), changed "13A" to "10A" (see
Table 3, Table 4, Table 9, Table 13, 6.2, 18.2, 19.3), in order to meet the actual rated current of switch products in my country, increase the operable
Sexuality;
--- Changed the air temperature requirements in the moisture resistance test (see 15.3) to meet my country's technical conditions and increase operability;
--- Changed the relevant description of the pendulum impact test (see 20.2) to conform to my country's technical conditions and increase operability;
--- Replaced IEC 60068-2-75.2014 (see 20.2) with the normative reference GB/T 2423.55 to adapt to my country's technical conditions,
Increase operability;
--- ISO 1456.2009 (see 22.5) has been replaced by the normative reference GB/T 9797 to adapt to my country's technical conditions and increase operability.
Sexuality;
--- Replaced ISO 2081.2008 (see 22.5) with the normative reference GB/T 9799 to adapt to my country's technical conditions and increase operability
Sexuality;
--- The normative reference GB/T 12599 replaced ISO 2093.1986 (see 22.5) to adapt to my country's technical conditions and increase the
Operability;
--- IEC 60112.2009 (see Tables 24 and 24.2) has been replaced by the normative reference GB/T 4207 to adapt to my country's technical conditions,
Increase operability;
--- Replaced IEC 60695-2-10.2000 (see 24.1) with the normative reference GB/T 5169.10 to adapt to my country's technical conditions,
Increase operability;
--- Replaced IEC 60695-2-11.2014 (see 24.1) with the normative reference GB/T 5169.11 to adapt to my country's technical conditions,
Increase operability;
--- Added a cylindrical terminal (see Figure 1) to meet my country's technical conditions and increase operability;
--- Added a schematic diagram for determining the insulating material components to be tested (see Figure 20) to conform to my country's technical conditions and increase operability.
The following editorial changes were made to this document.
--- In Chapter 1 "Scope", the following is added. "This document specifies the classification, marking and
"Technical requirements such as signs, protection against electric shock, structural requirements, mechanical properties, electrical properties, etc."
--- Deleted Appendix D of IEC 60669-1.2017 and Note 1 of Chapter 1 of IEC 60669-1.2017;
--- Deleted the notes in IEC 60669-1.2017 that are not applicable to my country (such as Note 2 in Chapter 1, Note 2 in 3.21, Note 1 in 7.9,
Note 2, Note 4 and Note 5 of 8.1, Note 2 of 8.3, Notes of 13.15.2, Note of 16.3, Note 5 of Table 15, Note of 18.1, Note 4 of Appendix E);
--- Deleted the two lines related to 25AX in the marking example of 8.2 Note 4 of IEC 60669-1.2017 to comply with my country's technical conditions, and added
Increase operability;
--- The informative reference GB/T 13140.2 replaces IEC 60998-2-1 (see 11.3) to adapt to my country's technical conditions and increase the
Operability;
--- The informative reference GB/T 13140.3 replaces IEC 60998-2-2 (see 11.3) to adapt to my country's technical conditions and increase the
Operability;
--- The informative reference GB/T 13140.4 replaces IEC 60998-2-3 (see 11.3) to adapt to my country's technical conditions and increase the
Operability;
--- Deleted the notes on "if present" hard-stranded conductors in 12.2.5, 12.2.6 and 12.2.7 of IEC 60669-1.2017 to comply with
In my country, there is a situation where hard-twisted wires are used in building wiring to increase operability;
--- The position of item b) in 12.3.11 of IEC 60669-1.2017 is incorrect. Correct it to "Overvoltage test has been carried out in the above test a)".
The screwless terminals for drop measurement shall also be subjected to the following test" before;
--- Added notes on arc flash (see 18.2) to conform to my country's technical conditions and increase operability;
--- Explanation of "screws that do not require washers, clamping plates or anti-loosening components" and "screws that require washers, clamping plates or anti-loosening components" in Figure 1
Change to Figure 2.
This document was proposed by the China Electrical Equipment Industry Association.
This document is under the jurisdiction of the National Technical Committee for Standardization of Electrical Accessories (SAC/TC67).
This document was drafted by. China Electric Power Research Institute Co., Ltd., Wenzhou Chint Smart Home Technology Co., Ltd., Ningbo Bull
Electric Co., Ltd., Hangzhou Hongyan Electric Co., Ltd., Weikai Testing Technology Co., Ltd., Legrand Intelligent Electric (Huizhou) Co., Ltd., Simon
Electric (China) Co., Ltd., Zhongshan Shidun Electric Co., Ltd., Zhejiang Delixi International Electric Co., Ltd., Hangzhou Hongshi Electric Co., Ltd.
Ltd., Jiaxing Weikai Testing Technology Co., Ltd., Qingmi (Beijing) Technology Co., Ltd., Guangdong Futian Electric Co., Ltd., Ningbo Hengda High-tech
Energy Technology Co., Ltd., Guangdong Jinli Electric Co., Ltd., Guangdong Liansu Electric Co., Ltd., Guangdong Zhongke Electric Technology Co., Ltd.,
Beijing ABB Low Voltage Electrical Equipment Co., Ltd., China Quality Certification Center, Weikai (Foshan) Testing Technology Co., Ltd., Foshan Shunde Leliu
Zhenbaishun Electric Co., Ltd., Guangdong Langneng Electric Co., Ltd., Foshan Lighting Zhida Electric Technology Co., Ltd., Guangdong South China Home Appliance Research Institute,
Honghelang (Huizhou) Electric Co., Ltd., Guipai Electric Co., Ltd., Siemens (China) Co., Ltd. Shanghai Branch, Taili Industrial Co., Ltd.
Ltd., Interman Electric (Changzhou) Co., Ltd., Yuyao Guochang Electric Co., Ltd., Schneider Electric (China) Co., Ltd. Shenzhen Branch
Co., Ltd., Panasonic Information Instruments (Shanghai) Co., Ltd., Hunan Shensi Electrical Industry Co., Ltd., Zhejiang Jienuo Electric Co., Ltd., Hangzhou Tuya
Information Technology Co., Ltd., Hangzhou EZVIZ Software Co., Ltd., Defeng Electronic Technology Co., Ltd., Guangdong Product Quality Supervision and Inspection Research
Institute, Zhejiang Fangyuan Testing Group Co., Ltd., Zhejiang Institute of Inspection and Quarantine Science and Technology, Zhongren Shangdong (Shanghai) Testing Technology Co., Ltd.
Company, Guangdong Zhongren South China Testing Technology Co., Ltd., Beijing Product Quality Supervision and Inspection Institute, Wenzhou Quality Technology Testing Science Research Institute
Institute, Fujian Product Quality Inspection Institute, China Institute of Testing and Certification (Beijing) Co., Ltd., SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou
Branch, Zhongren Yingtai Testing Technology Co., Ltd., Guangdong Shunde Huaren Testing Technology Co., Ltd., Foshan Shunde Weike Electronic Testing
Equipment Co., Ltd., Zhongshan Jia Electric Appliance Co., Ltd., Zhejiang Tianshi Electric Appliance Co., Ltd., Shenzhen Langte Intelligent Control Co., Ltd.,
Ningbo Bangni Electric Co., Ltd., Wenzhou Guipai Electric Co., Ltd., Shandong Yaosi Intelligent Technology Co., Ltd., Hangzhou Hanlai Electric Co., Ltd.,
Yiwu Jinglong Mould Co., Ltd., Zhejiang Yuehua Telecommunications Co., Ltd., Cixi Mogong Socket Co., Ltd., Shenzhen Huayitong Industrial Electrical
Ltd.
The main drafters of this document are. Cai Jun, Hu Lanfang, Gong Guanghui, Yue Zhibin, Jia Yuehui, Liu Kaixi, Li Yongfeng, Wang Biao, Xu Zhuang, Zhou Jialiang,
Xu Qian, Lin Haifeng, Liang Xiqiang, Zhu Liangxiong, Wu Jiancong, Wan Haiyuan, Lin Shifeng, Liu Kunlun, Liu Shuiqiang, Yin Zhaogui, Lin Jinyuan, Huang Qiyong, Li Junyong,
Lai Jing, Jiang Xiaowei, Zhao Wenhua, Wang Feng, Zheng Wen, Liu Feng, Chen Jiming, Gong Zhilei, He Xiufeng, Ding Guangming, Sun Yonggui, Li Jun, Li Xingbo, Pan Hualin,
Wen Yongcai, Xu Jianchu, Cai Yonghua, Chen Ping, Liu Yue, Li Qiang, Cai Wangao, Zhong Xiaozhi, Yu Ling, He Jingye, Sun Fengliang, Zhang Jiaqian, Zhong Lianghao, Wu Shixing,
Wu Fuxi, Huang Liu, Luo Chenyu, Xie Desheng, Lu Zhengyun, Wang Zhewei, Zhu Xiaoying, Dong Yutao, Gong Lihua, Wang Sheng, Liang Yaowen, Sun Ting, Zhu Youyun,
Li Zhongyao, Shen Xixia, He Junjun, Zhu Jiayong, Shu Yunping, Zhang Qiusheng, Zhang Nan, Peng Meinan, Sun Rui, Mo Zhenhai, Luo Yangjun.
The previous versions of this document and the documents it replaces are as follows.
---First published in 1989 as GB 10979-1989;
---First revised to GB 16915.1-1997 in.1997, second revised in.2003, third revised in.2014;
---This is the fourth revision.
Introduction
GB/T 16915 "Switches for household and similar fixed electrical installations" is intended to standardize the technical specifications of fixed switches for household and similar purposes.
Technical requirements are met to ensure the safety of users when controlling the connection and disconnection of electrical loads, and it is planned to consist of the following parts.
--- Part 1.General requirements. The purpose is to standardize the protection against electric shock, structure and function of switches for household and similar fixed electrical installations.
Structural requirements, mechanical properties, electrical properties and other technical requirements.
--- Part 2-1.Particular requirements for electronic control devices. The purpose is to standardize the electrical
Technical requirements for electric shock protection, grounding measures, structural requirements, mechanical properties, electrical properties, etc. of sub-control devices.
--- Part 2-2.Particular requirements for electromagnetic remote control switches (RCS). The purpose is to standardize household and similar fixed electrical installations
Technical requirements for the classification, marking, mechanical properties, electrical properties, etc. of electromagnetic remote control switches.
--- Part 2-3.Particular requirements for time delay switches (TDS). The purpose is to standardize household and similar fixed electrical installations
Technical requirements for the classification, marking, mechanical properties, electrical properties, etc. of time-delay switches.
--- Part 2-4.Particular requirements for disconnectors. The purpose is to standardize disconnectors for household and similar fixed electrical installations.
Related technical requirements such as classification, terminals, structural requirements, mechanical properties, electrical properties, etc.
--- Part 2-6.Particular requirements for fire switches for external or internal marking and lighting. The purpose is to regulate household and similar purposes
Classification, marking, structural requirements, mechanical properties, electrical properties of fire protection switches for external and internal marking and lighting of fixed electrical installations
Gas performance and other technical requirements.
This document can provide guidance for the production of household and similar fixed switch products, improve the technical performance and safety and reliability of the products
To ensure the safety of electricity use for the people.
Switches for household and similar fixed electrical installations
Part 1.General requirements
1 Scope
This document specifies the classification, marking, protection against electric shock, structural requirements, mechanical properties, etc. of switches for household and similar fixed electrical installations.
Energy, electrical performance and other technical requirements.
This document is applicable to indoor or outdoor use, and is only used for AC power, rated voltage not exceeding 440V, rated current not exceeding 63A
Manually operated general purpose switches for household and similar fixed electrical installations.
Switches with screwless terminals are rated for a maximum of 16A.
The switches covered by this document are intended to control all of the following loads in normal use, where applicable.
---Tungsten filament lamp load circuit.
---External ballast lamp load circuit (such as LED, CFL, fluorescent lamp load).
--- Self-ballasted lamp load circuit (such as LEDi or CFLi).
---Basic resistive load circuit with power factor not less than 0.95.
---Single-phase for motor loads with rated current not exceeding 3A (power 750VA) at 250V and power factor not less than 0.6
This applies to switches with a rated current of not less than 10A and not subject to additional tests and switches with a rated current of not less than 6A
Momentary switches without additional tests.
This document also applies to mounting boxes for switches, but not to mounting boxes for concealed switches.
Note 1.For the requirements for installation boxes for concealed switches, see GB/T 17466.1.
This document also applies to.
--- Switch equipped with indicator light;
--- Electromagnetic remote control switch (special requirements are given in GB/T 16915.3);
--- Switches equipped with time delay devices (special requirements are given in GB/T 16915.4);
--- Switches combined with other functions (but not applicable to switches combined with fuses);
--- Electronic switches (special requirements are given in GB/T 16915.2);
--- Switch with flexible cable outlet device and flexible cable retaining device (according to Appendix A);
--- Isolating switch (special requirements are given in GB/T 16915.5);
--- Switches and related accessories for residential and building electronic systems (HBES) (special requirements are given in GB/T 16915.2);
--- Special requirements for fire switches for external or internal marking and lighting (special requirements are given in GB/T 16915.7).
The applicable ambient air temperature range for switches that meet the requirements of this document is. usually not more than 40℃, and the average value within 24 hours does not exceed
35℃, the lower limit is -5℃.
NOTE 2 For lower temperatures, see Appendix D.
Switches complying with the requirements of this document are suitable only for use in installations where the method and location of installation make it impossible for the ambient temperature around the switch to exceed
Use in equipment at 35℃.
Switches used in special environments, such as in cars, ships, and in dangerous places where explosions may occur, may require special structures.
and/or special requirements.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
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