GB 20943-2025
UpcomingMinimum allowable values of energy efficiency and energy efficiency grades for AC-DC and AC-AC power supplies
交流-直流和交流-交流电源能效限定值及能效等级
Application Summary AI generated
This standard specifies the minimum allowable values of energy efficiency and the energy efficiency grades for AC-DC and AC-AC power supplies. It is applied in China to regulate the energy performance of external power adapters, internal power supplies, and similar units used in information technology, audio/video, and telecommunications equipment. The standard is enforced for product certification, market surveillance, and energy labeling to promote energy conservation.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.