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Power adapter interpretation

source:power adapter     Popular:adapter     release time:2021-10-08 11:38:49     Article author:sznbone    

  When we buy a power adapter, we often find that some parts have text descriptions, some are paper stickers, some are hand-engraved, and some are printed, so what does the content of this label mean? What? How should people understand it? Let's take an ordinary adapter factory nameplate to interpret its actual meaning.

Power adapter interpretation(图1)

  1. First of all, we will see that the nameplate has a logo on the head. This is the trademark of the customer or the supplier.

  2. Next is the name of the model you purchased.

  3. (Model): This represents the supplier's serial number for this power adapter.

  4. As indicated in the figure above, it is indicated that this power supply can be used under 100-240V~, and the frequency is 50/60Hz, which means output. According to the diagram, this power adapter, as long as it is at 5V, the current does not exceed 2.3 Can be used in the case of A.

  5 and V indicate level 5 energy efficiency. Generally speaking, some power adapters may not be marked. At present, the energy efficiency of power adapters is expressed as VI for the development of energy efficiency to level 6.

  6. Safety warning words indicate the precautions for using this power supply.

  7. Safety symbols. Generally, there will only be one type of safety certification symbol on the nameplate of the wall-mounted power adapter, such as CE for European plugs, UL for American plugs, etc., but desktop power adapters can be marked with multiple certifications Symbol, because the end of the desktop power adapter is equipped with an AC cable, the corresponding certification of the AC cable is different, the desktop power adapter has C14 (product tail), C8 (8 tail), plum blossom tail Etc. (Note: the "back" mark cannot be marked on the C14 nameplate.) Generally, the height of the safety symbol is greater than 5mm, and the height of the trash can is greater than 7.0mm.

  8. The lower right corner indicates the name of the supplier where the power source is produced.

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