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About product and suppliers:
        Alibaba.com offers 252 automatic static transfer switch products. About 70% of these are other switches, 13% are power distribution equipment, and 3% are rotary switches. 

A wide variety of automatic static transfer switch options are available to you, such as free samples. 

There are 252 automatic static transfer switch suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Australia, which supply 91%, 3%, 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 122 with ISO9001, 62 with Other, and 54 with ISO14001 certification.