Electronics
Electrical accessories GB 19212.2-2012, IEC 61558-2-1:2007 Safety of power transformers, power suppl
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Electrical accessories GB 19212.2-2012, IEC 61558-2-1:2007 Safety of power transformers, power suppl
Scope
This chapter of GB19212.1-2008 is replaced by the following content:
This part of GB 19212 specifies the safety regulations for power supply of general purpose separation transformers and internal separation transformers, such as safety regulations related to electrical, temperature, and mechanical aspects.
This section is applicable to power supplies with separate transformers, built-in separate transformers, and electronic circuits. This section does not apply to external circuits and their components intended to be connected to the input and output terminals or output sockets of transformers and power supplies This section does not apply to transformers included in IEC 60076-11 This section is applicable to stationary or mobile power supplies, single-phase or multiphase, air cooled (self cooled or air cooled), independent or supporting separate transformers, and built-in separate transformers, with a rated power supply voltage not exceeding 1000 ACFunction 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