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About product and suppliers:
        Alibaba.com offers 2,638 redundant power products. About 5% of these are switching power supply, 1% are ac/dc adapters, and 1% are electrical plugs & sockets. 

A wide variety of redundant power options are available to you, such as single, multiple, and dual. You can also choose from 101 - 200w, 1 - 50w, and >500w. As well as from 220v, 380v, and 110v. And whether redundant power is paid samples, or free samples. 

There are 2,658 redundant power suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 96%, 2%, and 1% of redundant power respectively. 

Redundant power products are most popular in Western Europe, North America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,024 with ISO9001, 283 with Other, and 208 with ISO14001 certification.