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About product and suppliers:
        Alibaba.com offers 12,125 ac power source products. About 7% of these are switching power supply. 

A wide variety of ac power source options are available to you, such as free samples, paid samples. 

There are 12,125 ac power source suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of ac power source respectively. 

Ac power source products are most popular in North America, Eastern Europe, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,169 with ISO9001, 1,808 with Other, and 287 with ISO14001 certification.