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About product and suppliers:
        Alibaba.com offers 8,613 400w switch products. About 5% of these are wall switches, 1% are integrated circuits, and 1% are other switches. 

A wide variety of 400w switch options are available to you, such as temperature sensor, industrial, and level sensor. You can also choose from laser engraving, laser cutting, and beverage. As well as from ultrasonic sensor, inductance sensor, and optical sensor. And whether 400w switch is plastic, or stainless steel. 

There are 8,689 400w switch suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of 400w switch respectively. 

00w switch products are most popular in North America, Western Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,946 with ISO9001, 509 with Other, and 409 with ISO14001 certification.