The third-party testing product range of low-voltage circuit breakers includes three-phase low-voltage circuit breakers, low-voltage molded case circuit breakers, low-voltage air circuit breakers, automatic air switches, residual current operated circuit breakers, universal circuit breakers, etc. The testing standards for low-voltage circuit breakers GB/T14048.1-2012, IEC60947-1:2010 "Low voltage switchgear and control equipment - Part 1: General principles" GB/T14048.2-2020, and IEC60947-2:2019 "Low voltage switchgear and control equipment - Part 2: Circuit breakers" are applicable to circuit breakers whose main contacts are used to connect to circuits with a rated voltage not exceeding 1000V AC or 1500V DC. Low voltage circuit breaker testing items 1. Materials 2. Electrical structure 3. Protection level of enclosed enclosure 4. Mechanical and electrical performance of terminals 5. Verification and indication of the limitation of the main contact position mechanism of the isolation electrical appliance 6. Pullout test, bending test and torsion test of metal conduit 7. Temperature rise 8. Tripping limit and characteristics 9. Dielectric performance
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