Electronics
Electrical accessories GB 19212.17:2019- Safety of transformers, reactors, power supply units, and s
Electrical accessories GB 19212.17:2019- Safety of transformers, reactors, power supply units, and s
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Electrical accessories GB 19212.17:2019- Safety of transformers, reactors, power supply units, and s

Scope

This chapter of GB/T 19212.1-2016 is replaced by the following:

This part of GB/T 19212 specifies the safety requirements for switch mode power supply devices and transformers used in switch mode power supply devices.

. Transformers with electronic circuits are also included in this section Note 1: Safety requirements include electrical, temperature, and mechanical aspects. This section applies to:

a) built-in safety isolation transformer, providing AC or DC SELV, PELV or FELV output voltage or some combination of them in accordance with GB/T 17045 and GB/T 16895.21 regulations, for switch type power source devices used in household and other consumer products, but GB 8898, IEC 61347 series, IEC

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 problems

Baijian 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 required

Testing and testing characteristics:

1. The testing industry is fully covered, meeting different testing needs

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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