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GB/T 22200.5-2025: Reliability of low-voltage apparatus - Part 5: Reliability test method of residual current operated circuit-breaker for household and similar uses
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GB/T 22200.5-2025: Reliability of low-voltage apparatus - Part 5: Reliability test method of residual current operated circuit-breaker for household and similar uses

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ICS 29.120.50 CCSK31 National Standards of the People's Republic of China Replaces GB /Z 22202-2016 Low-voltage electrical appliance reliability, Part 5. Residual current operated circuit breakers for household and similar uses Reliability testing methods Published on 2025-12-31 Implemented on July 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface III Introduction IV 1.Scope 1 2 Normative References 1 3.Terms and Definitions, Symbols 2 3.1 Terms and Definitions 2 3.2 Symbol 2 4 Reliability Indicators 3 4.1 General Requirements 3 4.2 Operational failure rate level 3 4.3 Residual current protection success rate level 3 4.4 Overcurrent protection success rate level 4 5 Reliability Testing Methods 4 5.1 Test Conditions 4 5.2 Sample Preparation 6 5.3 Detection of the Specimen 6 5.4 Failure Criteria 9 5.5 Reliability testing equipment 10 6.Reliability verification test plan and test procedure 10 6.1 Test Components 10 6.2 Reliability Test Sampling Plan 10 6.3 Reliability Test Procedure 11 7.Experimental Record 13 8.Reliability Test Methods and Procedures under Live Operation 13 Appendix A (Informative) Experimental Circuit Diagram 14 Appendix B (Informative) Test Report 15 Appendix C (Normative) Steps for determining reliability data of residual current operated circuit breakers for household and similar applications under live-operation 18 C.1 Overview 18 C.2 Method for determining reliability data based on the results of live-line operation capability tests 18 C.3 Weibull Analysis 19 C.4 Weibull Analysis Example 19

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 5 of GB/T 22200 "Reliability of Low-Voltage Electrical Appliances". GB/T 22200 has already published the following parts. ---Part 1.General Rules; ---Part 2.Reliability Test Methods for Molded Case Circuit Breakers; ---Part 3.Reliability Test Methods for Overload Relays; ---Part 4.Reliability test methods for overcurrent protection circuit breakers used in household and similar applications; ---Part 5.Reliability Test Methods for Residual Current Operated Circuit Breakers for Household and Similar Purposes; ---Part 6.Reliability Test Methods for Contactor Relays; ---Part 7.Test methods for contactor reliability. This document replaces GB /Z 22202-2016 "Reliability Test Methods for Residual Current Operated Circuit Breakers for Household and Similar Purposes". Compared with GB /Z 22202-2016, apart from structural adjustments and editorial changes, the main technical changes are as follows. ---The reliability metrics have been changed, merging "Residual Current Protection Success Rate" and "Residual Current Protection Success Rate after Environmental Testing" into a single "Residual Current Protection Success Rate". The "Residual Current Protection Success Rate" combines the "Short Circuit Protection Success Rate" and "Overload Protection Success Rate" into a single "Overcurrent Protection Success Rate" (see [link]). 4.1 (4.1 in the.2016 version); ---A "sub-level 5" operational failure rate rating has been added (see 4.2); ---The test conditions for the residual current protection reliability test after environmental testing have been added (see 5.1.4.2.2); ---The requirement for the number of reliability tests for residual current protection has been increased (see 5.4.2); ---The requirement for the number of overcurrent protection reliability tests has been increased (see 5.4.3); ---The test cutoff time (tz) for the specimen in the operational failure rate verification test procedure has been changed (see 6.3.1,.2016 version of 6.3.1); ---Appendix C has been revised, removing "service life" and adding "reliable service life" and "mean life" (see Appendix C,.2016 edition). Appendix C). 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 by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee on Standardization of Low Voltage Electrical Appliances (SAC/TC189). This document was drafted by. Hebei University of Technology, Shanghai Electrical Apparatus Research Institute, Schneider Electric (China) Co., Ltd. Shanghai Branch. Delixi Electric Co., Ltd., Shanghai Siemens Line Protection Systems Co., Ltd., Beijing ABB Low Voltage Electrical Appliances Co., Ltd., Zhejiang Chint Electric Co., Ltd. Joint-stock companies, Shanghai Liangxin Electric Co., Ltd., Suzhou Future Electric Co., Ltd., Kedu Electric Co., Ltd., and Shengpu Electric Co., Ltd., Foshan Andehui Intelligent Technology Co., Ltd., Garcia Electronics & Electrical Co., Ltd., China Electric Equipment Shandong Electronics Co., Ltd. company. The main drafters of this document are. Li Kui, Chen Xueqin, Qiu Weibing, Qi Weihua, Fan Zhen, Xiong Houyu, Zhu Jun, Yang Wei, Lou Mingda, and Li Ziping. Li Tiejun, Long Huanxiang, Niu Feng, Wang Yao, Mu Jiakai, Meng Lingxin, Liu Guojin. The release history of this document and the document it replaces is as follows. ---First published in.2008 as GB /Z 22202-2008, and revised for the first time in.2016; ---This is the second revision.

Introduction

Low-voltage electrical appliances are produced in large quantities and used extensively, including power distribution appliances, control appliances, and terminal appliances. Their reliability has a wide-ranging impact on the application of low-voltage electrical appliances. It is used in various fields such as machinery, electricity, and electronics, involving multiple aspects such as power control and distribution. GB/T 22200 "Reliability of Low-Voltage Electrical Appliances" It is an important series of standards that guide the reliability verification of low-voltage electrical products in my country, and is planned to consist of 7 parts. ---Part 1.General Rules. The purpose is to specify the general requirements for the reliability of low-voltage electrical appliances. ---Part 2.Reliability Test Methods for Molded Case Circuit Breakers. The purpose is to specify the reliability requirements for molded case circuit breakers. Requirements and related requirements such as test methods. ---Part 3.Reliability Test Methods for Overload Relays. The purpose is to specify the reliability requirements and test methods for overload relays. And other related requirements. ---Part 4.Reliability Test Methods for Overcurrent Protection Circuit Breakers for Household and Similar Applications. The purpose is to specify the reliability test methods for overcurrent protection circuit breakers used in household and similar applications. The reliability requirements and test methods for overcurrent protection circuit breakers used in similar locations are also relevant requirements. ---Part 5.Residual Current Operated Circuit Breakers for Household and Similar Use - Test Methods for Reliability. The purpose is to specify the reliability testing methods for household and similar applications. Reliability requirements and testing methods for similar applications. ---Part 6.Reliability Test Methods for Contactor Relays. The purpose is to specify the reliability requirements for contactor relays and... Requirements related to test methods, etc. ---Part 7.Contactor Reliability Test Methods. The purpose is to specify the reliability requirements and test methods for contactors. Require. Low-voltage electrical appliance reliability, Part 5. Residual current operated circuit breakers for household and similar uses Reliability testing methods

1 Scope

This document specifies the reliability of residual current operated circuit breakers (hereinafter referred to as "residual current operated circuit breakers") for household and similar applications. Indicators, reliability test methods, reliability verification test plans and procedures, test records, and reliability test methods under live operation. step. This document applies to reliability test methods conforming to GB/T 16916.1 or GB/T 16917.1, and is applicable to AC 50Hz. 60Hz or 50Hz/60Hz, rated voltage not exceeding 440V, rated current not exceeding 125A, rated short-circuit capacity not exceeding 25000A, dynamic Residual fuel cells for domestic and similar applications with or without overcurrent protection, whose function is independent of or dependent on the power supply voltage. Residual current operated circuit breakers. The reliability levels and test methods for residual current circuit breakers conforming to standards such as GB/T 14048.2 are detailed in this document. The relevant content.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 2900.18-2008 Electrical Engineering Terminology - Low-Voltage Electrical Appliances GB/T 2900.99-2016 Reliability of Electrical Engineering Terminology GB/T 2424.2 Guidelines for Environmental Testing of Electrical and Electronic Products - Damp Heat Test GB/T 2423.4 Environmental testing of electrical and electronic products – Part 2.Test methods – Test Db. Alternating damp heat (12h 12h cycle) ring) GB/T 5080 (All Parts) Equipment Reliability Testing Note. GB/T 5080.1-2012 Reliability Testing - Part 1.Test Conditions and Statistical Test Principles GB/T 5080.2-2012 Reliability Testing - Part 2.Test Cycle Design GB/T 5080.4-1985 Point and Interval Estimation Methods for Reliability Testing of Equipment (Exponential Distribution) GB/T 5080.5-1985 Verification Test Protocol for Success Rate of Equipment Reliability Tests GB/T 5080.6-1996 Verification of the validity of the constant failure rate hypothesis in equipment reliability testing GB/T 5080.7-1986 Test Procedure for Verifying Failure Rate and Mean Time Between Failures under the Constant Failure Rate Assumption in Equipment Reliability Testing GB/T 6829-2024 General safety requirements for residual current operated protective devices GB/T 16916.1-2014 Residual Current Operated Circuit Breakers (RCCBs) without Overcurrent Protection for Household and Similar Purposes - Part 1 Part. General Rules GB/T 16917.1-2014 Residual Current Operated Circuit Breakers (RCBO) with Overcurrent Protection for Household and Similar Purposes - Part 1 Division. General Rules Standard mounting rails for mechanical supports GB/T 22200.1-2025 Low-voltage electrical appliances - Reliability - Part 1.General rules ...