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NOM-029-ENER-2017: Energy efficiency of external power supplies. Limits, Test Methods, Marking and Labelling

Last updated: 12 May 2021
This standard sets the minimum energy efficiency levels of external power supplies in operation, the maximum limits of electrical power in non-load or vacuum mode. They are classified according to:


the USB output voltage;
low output voltage; and
generic output voltage. See the attachment for the minimum energy efficiency levels.

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