Posted on June 11, 2018 at 11:54 PM
Mexico’s NOM-029-ENER-2017 published in October 2017 became effective on April 25, 2018. All external power supplies require this certification, which is obtained through test evaluation. The NOM-029-ENER-2017 is applicable for all power supplies intended to convert electrical voltage from alternating current (AC) to a single level of voltage or direct current (DC), and with a maximum output power that is less or equal to 250W.
In addition, power supplies that allow switching to manual output voltage levels, independent of the product, also require testing and certification. There are a few exceptions depending on characteristics of the power supplies which the NOM-029-ENER-2017 is not applicable. NOM-029-ENER-2017 does not apply to the following types of external PSUs:
NOM-029-ENER-2017 establishes the labeling requirements for PSU’s subject to this standard, but that is marked directly to the public individually and not as part or accessory of an end-user product. The label must contain the following information in a legible and indelible form:
Manufacturers can choose where to place the label from the following options: printed, affixed, placed on the product, packaging, user manual or in the regulatory information document included with the product. In any case, the label should not be removed, until after it has been acquired by the final consumer.
Furthermore, when approving your electronic device under NOM-019-SCFI-1997 or NOM-001-SCFI-1993, its power supply will not require this additional certification.
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