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About product and suppliers:
        Alibaba.com offers 33,278 mcb products. About 71% of these are circuit breakers, 7% are power distribution equipment. 

A wide variety of mcb options are available to you, such as free samples, paid samples. 

There are 32,856 mcb suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and India, which supply 97%, 1%, and 1% of mcb respectively. 

Mcb products are most popular in Mid East, North America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 13,878 with Other, 8,991 with ISO9001, and 2,746 with ISO14001 certification.