This guiding technical document specifies the general requirements for reliability verification testing of overcurrent protection circuit breakers (hereinafter referred to as circuit breakers) used in household and similar places. This guiding technical document is applicable to products that comply with the provisions of GB 10963.1-2005 and GB 10963.2-2008. This guiding technical document is applicable to the verification test plan and test procedure of circuit breakers, as well as to the reliability testing of products. This guiding technical document can serve as a guiding document for manufacturing enterprises to develop reliability indicators and test methods for circuit breakers. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 2900.13-2008 Electrotechnical Terminology - Credibility and Service Quality GB/T 2900.18-2008 Electrotechnical Terminology - Low Voltage Electrical Appliances - Unrecognized Results GB/T5080 (All Parts) Equipment Reliability Test GB 10963.1-2005 Electrical Accessories, Circuit Breakers for Overcurrent Protection in Household and Similar Places Part I: Circuit Breakers for AC Use GB 10963.2-2008 Circuit Breakers for Overcurrent Protection in Household and Similar Places Part?: Circuit Breakers for AC and DC Use 3 Terms and Definitions, Symbols 3.1 Terms and Definitions GB/T 2900.13-2008, GB/T 2900.18-2008, GB/T 5080 (All Parts) The terms and definitions defined in GB 10963.1-2005 and GB10963.2-2008, as well as the following, apply to this document. 3.1.1 Failure rate The probability of failure occurring per unit time after a product works to time t 3.1.2 Success rate The probability of a product completing its specified function under specified conditions or successfully testing under specified conditions
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China