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About product and suppliers:
        Alibaba.com offers 2,017 3p 40a switch products. About 26% of these are other switches, 1% are rocker switches, and 1% are wall switches. 

A wide variety of 3p 40a switch options are available to you, such as mini, high voltage, and air. You can also choose from free samples, paid samples. 

There are 2,017 3p 40a switch suppliers, mainly located in Asia. The top supplying countries or regions are China, Taiwan, China, and Thailand, which supply 99%, 1%, and 1% of 3p 40a switch respectively. 

p 40a switch products are most popular in North America, Eastern Europe, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 850 with ISO9001, 789 with Other, and 297 with ISO14001 certification.