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Some basic knowledge about safety certified power supplies

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.05.17
We often hear people say that to buy a power adapter, you need to buy a certified power supply, so the certification here is about safety certification. Safety regulations are the abbreviation for product safety regulations. The so-called safety regulations, according to the narrow definition of the European Union in 2006, refer to products that do not pose a safety hazard to users, livestock, or property during installation and use.

Our most common certification is 3C certification. In fact, in addition to CCC certification, there are many types of certifications such as CE, GS, UL, etc. To sell products to a certain region, they must pass the safety regulations certification of that region (or recognized). Due to trade protection and other reasons, the certification standards in many places are also different.

Product safety certification has its own specialized standards. Most products need to consider a series of safety requirements from the beginning of product design, with the most stringent ones being appliances, power adapters, toys, medical devices, and other products.

The main projects for safety certification include the following:

1. Electrical strength (withstand voltage)
2. Grounding impedance
3. Leakage current
4. Capacitor discharge voltage
5. Insulation impedance
6. Humidity test
7. Working voltage
8. Input test
9. Nameplate
10. Safety distance
11. Stability
12. Impact test
13. Ball voltage test
14. Abnormal test
15. Overload test
16. Current limiting test
17. Power limiting test
18. Drop test.


Certification marks for power supply in various countries

In the context of global trade and technological barriers, Chinese power products must pass local safety certification in order to enter foreign markets. Therefore, safety certification is not only a technical certification for product quality, but also a market pass for products. Kinri is a national high-tech enterprise and a professional power research and development manufacturer, with multiple national certifications such as UL, CE, CB, FCC, GS, CCC, PSE, SAA, KC, BSMI, etc.
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