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About product and suppliers:
        Alibaba.com offers 132,400 ac dc power supply products. About 34% of these are switching power supply, 30% are ac/dc adapters, and 1% are voltage regulators/stabilizers. 

A wide variety of ac dc power supply options are available to you, such as single, dual. You can also choose from 401 - 500w, 301 - 400w, and 1 - 50w. As well as from 380v, 220v, and 110v. And whether ac dc power supply is free samples, or paid samples. 

There are 132,040 ac dc power supply suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 98%, 1%, and 1% of ac dc power supply respectively. 

Ac dc power supply products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 34,708 with ISO9001, 9,060 with Other, and 3,134 with ISO14001 certification.