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About product and suppliers:
        Alibaba.com offers 138 500 amp transfer switch products. About 79% of these are other switches, 7% are circuit breakers. 

A wide variety of 500 amp transfer switch options are available to you, 

There are 137 500 amp transfer switch suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 500 amp transfer switch respectively. 

00 amp transfer switch products are most popular in Mid East, South America, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 63 with ISO9001, 13 with ISO14001, and 11 with OHSAS18001 certification.