GB/T 41911-2022 English PDF

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GB/T 41911-2022: Power frequency overvoltage protective devices (POPs) for household and similar applications
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GB/T 41911-2022	2059	Add to Cart	10 days	Power frequency overvoltage protective devices (POPs) for household and similar applications	Valid

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Basic data

Standard ID: GB/T 41911-2022 (GB/T41911-2022)
Description (Translated English): Power frequency overvoltage protective devices (POPs) for household and similar applications
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: CCSK31
Classification of International Standard: 29.120.50
Word Count Estimation: 98,980
Date of Issue: 2022-10-12
Date of Implementation: 2023-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41911-2022: Power frequency overvoltage protective devices (POPs) for household and similar applications

---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.
Power frequency overvoltage protective devices (POPs) for household and similar applications ICS 29.120.50 CCSK31 National Standards of People's Republic of China household and similar Power frequency overvoltage protection device (POP) (IEC 63052.2019, MOD) Released on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations3 3.1 Terms and Definitions 3 3.2 Abbreviations 5 4 categories 5 4.1 Classification according to structure 5 4.2 Classification according to the number of phase-to-neutral voltages monitored6 4.3 Classification according to installation method 6 5 Characteristics of POP6 5.1 Feature Summary 6 5.2 Ratings and other characteristics 6 5.3 Standard and preferred values 7 5.4 Coordination with short-circuit protective devices (SCPD) 9 6 Logo and other product information 10 6.1 Sign 10 6.2 Class notation 11 of POP classified according to 4.1.4 7 Standard operating conditions for use and installation 12 7.1 Standard conditions 12 7.2 Installation conditions 12 7.3 Pollution degree 12 8 Structural and operational requirements 13 8.1 General requirements 13 8.2 Mechanical design 13 8.3 Electric shock protection 19 8.4 Dielectric properties and isolation capability 19 8.5 Temperature rise 19 8.6 Operating characteristics 20 8.7 Mechanical and electrical life 21 8.8 Performance under short-circuit current 21 8.9 Resistance to mechanical shock and impact 21 8.10 Heat resistance 21 8.11 Resistance to abnormal heat and fire 21 8.12 Safety performance of POP under overstress 21 8.13 Performance of POP under surge current generated by impulse voltage 21 8.14 Reliability 21 8.15 Electromagnetic Compatibility (EMC) 21 9 Test procedure 22 9.1 General requirements 22 9.2 Test conditions 24 9.3 Durability test of signs 25 9.4 Reliability test of screws, current-carrying parts and connections 25 9.5 Reliability test of terminals connected to external conductors 26 9.6 Verification of electric shock protection 26 9.7 Dielectric performance test 27 9.8 Temperature rise test 31 9.9 Verification of operating characteristics 32 9.10 Verification of Mechanical and Electrical Lifetime 33 9.11 In case of a short circuit, verify the operation of the POP 34 9.12 Verification of resistance to mechanical vibration and shock 40 9.13 Heat resistance test 43 9.14 Abnormal heat resistance and flame resistance 44 9.15 Safety performance of POP under overstress 44 9.16 Verify the performance of the POP under the surge current generated by the impulse voltage 45 9.17 Verify the anti-aging performance of electronic components 45 9.18 Electromagnetic Compatibility (EMC) 45 9.19 Electric clearance and creepage distance test of electronic circuits (abnormal conditions) 49 9.20 Requirements for capacitors, certain resistors and inductors used in electronic circuits 51 9.21 Verify indicator display function 52 9.22 Verify manual closing under overvoltage 52 9.23 Verify the locking function (when applicable) 52 Appendix A (Normative) Test Procedures and Number of Samples for Certification Tests 68 Appendix B (Normative) Determination of clearances and creepage distances 75 Appendix C (Normative) Device for detecting free gas injection in short-circuit test 79 Appendix D (Informative) Method for Determining Short-Circuit Power Factor 82 Appendix E (Informative) Terminal Design Example 83 Appendix F (informative) Comparison of ISO and AWG copper wires 86 Appendix G (informative) SCPD 87 for short-circuit test Appendix H (informative) POP construction according to classification 4.189 References 90

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 modified to adopt IEC 63052.2019 "Power Frequency Overvoltage Protective Appliances (POP) for Household and Similar Purposes". Compared with IEC 63052.2019, this document has made the following structural adjustments. --- Added 9.21, 9.22 and 9.23. The technical differences between this document and IEC 63052.2019 and their reasons are as follows. --- Added "This document specifies the classification, characteristics, signs and other product information, standard conditions for use and installation of POP, structure And operational requirements and test requirements. "to comply with the requirements of GB/T 1.1 (see Chapter 1); --- ISO 306 is replaced by GB/T 1633, which is cited normatively, in line with the actual reference situation in this document, so as to adapt to the technical requirements of our country Technical conditions, increased operability (see Table 21); --- IEC 60529 is replaced by GB/T 4208 referenced normatively, which conforms to the actual reference situation in this document, so as to adapt to our country Technical conditions, increasing operability (see 6.1); ---Replace CISPR14-1 with the normatively quoted GB 4343.1, which conforms to the actual reference situation in this document, to adapt to my National technical conditions, increase operability (see 9.18.3 and 9.18.5); --- Replaced IEC 60695-2-10 with the normative reference GB/T 5169.10, in line with the actual reference situation in this document, with Adapt to my country's technical conditions and increase operability (see 9.14); --- Replaced IEC 60898-2.2016 with the normatively referenced GB/T 10963.2-2020, the consistency procedure between the two documents The degree is modified to adapt to the technical conditions of our country and increase operability (see 6.1, 9.1.1.1 and 9.1.1.2); --- Replaced IEC 60664-3 with the normative referenced GB/T 16935.3, in line with the actual references in this document, to suit Adapt to my country's technical conditions and increase operability (see 8.2.3.1, Table 5 and 9.19.3); --- Replaced IEC 61000-4-2 with the normative referenced GB/T 17626.2, in line with the actual references in this document, to suit Adapt to my country's technical conditions and increase operability (see Table 19); --- Replaced IEC 61000-4-3 with the normative referenced GB/T 17626.3, in line with the actual references in this document, to suit Adapt to my country's technical conditions and increase operability (see Table 19); --- Replaced IEC 61000-4-4 with the normative referenced GB/T 17626.4, in line with the actual references in this document, to suit Adapt to my country's technical conditions and increase operability (see Table 19); --- Replaced IEC 61000-4-6 with the normative referenced GB/T 17626.6, in line with the actual references in this document, to suit Adapt to my country's technical conditions and increase operability (see Table 19); --- Replaced IEC 61000-6-3 with the normative referenced GB 17799.3, in line with the actual reference situation in this document, to adapt to my country's technical conditions, increased operability (see Table 20); --- IEC 62873-2 is replaced by GB/T 37751.2, which is referenced normatively, in line with the actual references in this document, to suit Adapt to the technical conditions of our country and increase operability (see 3.1); --- IEC 62873-3-1 is replaced by the normatively quoted GB/T 37751.31-2019, which is in line with the actual citations in this document conditions, in order to adapt to my country's technical conditions and increase operability (see 8.2.5.1); --- IEC 62873-3-2 is replaced by the normatively quoted GB/T 37751.32-2019, which is in line with the actual citations in this document conditions, in order to adapt to my country's technical conditions and increase operability (see 8.2.5.1); --- IEC 62873-3-3 is replaced by the normatively quoted GB/T 37751.33-2019, which is in line with the actual citations in this document conditions, in order to adapt to my country's technical conditions and increase operability (see 8.2.5.1); --- Modify the overvoltage action value and time in Table 1 (see Table 1); --- Increase the signs, requirements and tests related to the indicating function of the indicator (see 6.1, 8.2.2 and 9.21); --- Supplementary operating characteristics and test circuit and requirements for life test (see 9.9, 9.10, 9.21, 9.22, 9.23, Figure 21 and Figure 22); --- Increase the requirements and tests for manual closing under overvoltage (see 8.2.2 and 9.22); --- Increase the requirements and tests of the locking function (see 8.2.2 and 9.23). The following editorial changes have been made to this document. --- Replace IEC 60664-5 with the informative referenced GB/T 16935.5 (see Table 5); --- Replace IEC 60112 with the informative referenced GB/T 4207 (see Table 5); --- Replaced IEC 60060-2 (see 9.16.2.1) with the informative referenced GB/T 16927.2. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Low Voltage Apparatus Standardization Technical Committee (SAC/TC189). This document is drafted by. Shanghai Electric Apparatus Research Institute, Shanghai Liangxin Electric Co., Ltd., Zhongshan Kaipu Electric Co., Ltd., China Electric Power Research Institute of Fujian Electric Power Co., Ltd., Shanghai Noak Electric Co., Ltd., Schneider Electric (China) Co., Ltd. Shanghai Branch Company, Suzhou Future Electric Co., Ltd., Yueqing Industrial Research Institute of Wenzhou University, Shanghai Tianwei Certification Technology Co., Ltd. The main drafters of this document. Chen Xueqin, Yi Ying, Qiao Sijian, Yu Xingjin, Cai Zhengzheng, Ge Weijun, Li Rui, Lou Mingda, Wu Ziran, Zhuang Xiaoli. household and similar Power frequency overvoltage protection device (POP)

1 Scope

This document specifies the classification, characteristics, signs and other product information, standard conditions for use and installation, requirements for structure and operation of POP requirements and test requirements. This document applies to rated frequency 50Hz, 60Hz or 50/60Hz, rated voltage not exceeding AC 230V (phase and neutral), and and household and similar power frequency overvoltage protective devices (POP) with a rated current not exceeding 63A, which can be connected by the functional unit and the main protection circuit A device (MPD) combination or an independent electrical appliance with a disconnecting device that can break the protection circuit under specified conditions. The main protective device is a circuit breaker, RCCB or RCBO. Note 1.The POP as a separate electrical appliance is not an automatic disconnecting protective appliance as specified in IEC 60364-4-41. The POP is intended for use in environments with pollution degree 2 and overvoltage category III. Suitable for isolation. It can be designed that the POP unit is assembled or embedded in the main protective device by the manufacturer, or the POP unit and the main protective device are mechanically installed on site Or electrically coupled, or as an independent electrical appliance that can break the protective circuit under specified conditions. These appliances are designed to relieve phase and neutral in downstream equipment by disconnecting the protected circuit when an overvoltage is detected between phase and neutral. effects of power frequency overvoltages between neutrals (e.g. caused by a neutral fault in a three-phase supply upstream of a POP). Note 2.In this document, "mitigating" means that POP will provide protection in most cases of power frequency overvoltage. If the phase-to-phase rated voltage of the phase-to-phase power system does not exceed 230V, a single-wire monitor conforming to this document may be used in accordance with the manufacturer's instructions. Control POP. When all conductors can be broken, the POP specified in this document applies to IT systems. This document does not apply to protection against common mode overvoltages. This document does not apply to surge protective appliances.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, 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. GB/T 1633 Determination of Vicat softening temperature (VST) of thermoplastics (GB/T 1633-2000, idtISO 306.1994) GB/T 4208 Enclosure protection level (IP code) (GB/T 4208-2017, IEC 60529.2013, IDT) GB 4343.1 Electromagnetic Compatibility Requirements for Household Appliances, Electric Tools and Similar Appliances Part 1.Emission (GB 4343.1- 2018, CISPR14-1.2011, IDT) GB/T 5169.10 Fire Hazard Tests for Electric and Electronic Products - Part 10.Glow Wire/Hot Wire Basic Test Methods Glow Wire Assembly Settings and general test methods (GB/T 5169.10-2017, IEC 60695-2-10.2013, IDT) GB/T 5169.11-2017 Fire hazard tests for electrical and electronic products - Part 11.Basic test methods for glow wire/hot wire Glow-wire flammability test method (GWEPT) (IEC 60695-2-11.2014, IDT) GB/T 10963.1-2020 Electrical accessories Overcurrent protective circuit breakers for household and similar places Part 1.For AC Circuit breaker (IEC 60898-1.2015, IDT) GB/T 10963.2-2020 Electrical accessories Overcurrent protective circuit breakers for household and similar places Part 2.For AC and ......

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