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About product and suppliers:
        Alibaba.com offers 231 automatic static transfer switch products. About 67% of these are other switches, 14% are power distribution equipment, and 1% are push button switches. 

A wide variety of automatic static transfer switch options are available to you, such as dual, ac three phase. You can also choose from free samples. 

There are 231 automatic static transfer switch suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Australia, which supply 90%, 4%, and 3% of automatic static transfer switch respectively. 

Automatic static transfer switch products are most popular in Mid East, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 116 with ISO9001, 72 with Other, and 55 with ISO14001 certification.