DPA120030-P12/R-SZ

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AC AC Wall Adapters are power adapters widely used around the world to deliver power to multiple small and medium electronic devices. One such adapter is the DPA120030-P12/R-SZ, a common piece of equipment designed to output 12V DC from an AC wall supply at a maximum load of 30W. This power adapter in particular is designed for use in harsh environments, making it a popular choice for applications like outdoor lighting and other residential installations. Understanding its application field and working principle can help one make the right decision when selecting a suitable AC AC Wall Adapter.

Power supply application field

In typical residential applications, the DPA120030-P12/R-SZ is used to power small to medium electronics, such as lights, fans, or other low-power appliances. It is also widely used in some industrial and commercial installations, such as alarm systems, electrical test equipment, and some medical devices. Additionally, it is also used for powering the outdoor lighting of large commercial spaces, where its resistance to extreme weather conditions makes it a more suitable choice than some other models.

Working Principle

The DPA120030-P12/R-SZ comes equipped with an internal switched-mode power supply (SMPS) designed to easily transform input power from the AC wall socket into regulated DC output. The SMPS utilizes a rectifier to convert the AC current into DC, and then passes it through a low-loss toroidal transformer which steps it down to the desired voltage. After being filtered through an EMI filter and/or voltage regulator, the output power is then passed through a thermal switching circuit that monitors temperature and shuts off the power supply if it gets too hot. The internal protection circuitry also limits output current to a safe level to avoid surges, and also will shut off the power supply if the output voltage goes outside of its set range. This makes the DPA120030-P12/R-SZ a reliable and safe piece of power equipment that can be used in many types of environments.

Conclusion

With its ability to handle tough outdoor conditions, the DPA120030-P12/R-SZ is a popular AC AC Wall Adapter for many applications. It is suited for powering small and medium electronic devices with 12V DC output, and its internal SMPS protection circuit makes it a safe and reliable choice. Understanding the power supply’s application field and working principle can help one make an informed decision when choosing a suitable wall adapter.

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