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About product and suppliers:
        Alibaba.com offers 21,114 timer switch products. About 20% of these are timers, 16% are time switches, and 6% are relays. 

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

There are 21,170 timer switch suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 98%, 1%, and 1% of timer switch respectively. 

Timer switch products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 6,331 with ISO9001, 2,152 with Other, and 1,503 with ISO14001 certification.