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AC DC Desktop, Wall Adapters

PSA15R-480PV-R-CNR1 is a type of AC DC Desktop, Wall Adapters used for supplying the power to fire alarm system, security and low voltage lighting system, and many other equipment. This AC/DC adapter has wide voltage input range from 95Vac to 264Vac, and it’s designed as international standards UL, CSA and TUV certificates.

The AC/DC adapter are built in with overload, over voltage, and short circuit protection. The PSA15R-480PV-R-CNR1 is without fan and the output is multi-winding, with 15w of power, 5Vdc, with 1.2A current. It carries UL60950-1 standard as well.

Working Principle

The working principle of the AC/DC adapter is simple. The AC mains supply is connected to the transformer through a bridge and rectifier circuit. The transformer changes the alternating current to low voltage AC supply. The pulsating AC rectifier changes the AC supply to pulsating DC supply. This then passes through the filter network and then is changed to constant DC supply using voltage regulator.

The AC/DC adapter has a built in PTC fuse that can handle overloads. It also has two LEDs built in. One of the LEDs indicates that the power is connected and the other LED lights up when it is in protection mode. These LED indicators make it easy for the user to identify the functionality and state of the AC/DC adapter.

The AC/DC adapter uses its power supply, by taking in power from the mains supply and carry out proper voltage regulation, control and protection. This is done using different stages as explained above. The power produced by the AC/DC adapter is of constant AC/DC voltage output.

Conclusion

The PSA15R-480PV-R-CNR1 is an AC/DC adapter suitable for use in many types of applications. It has UL, CSA, and TUV certificates which ensure its quality and safety. Its wide range of input voltage makes it suitable for use in many places. It is also equipped with two LEDs for indicating power status and protection mode. Its power supply circuit undergoes rectification and voltage regulation ensuring it provides constant voltage AC/DC output.

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