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About product and suppliers:
        Alibaba.com offers 10,887 12v 3a dc power supply products. About 15% of these are switching power supply, 6% are inverters & converters. 

A wide variety of 12v 3a dc power supply options are available to you, such as dc/dc converters, dc/ac inverters, and lcd. You can also choose from free samples, paid samples. 

There are 10,887 12v 3a dc power supply suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 12v 3a dc power supply respectively. 

2v 3a dc power supply products are most popular in North America, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,607 with ISO9001, 359 with Other, and 67 with ISO14001 certification.