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About product and suppliers:
        Alibaba.com offers 22,149 timer switch products. About 23% 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 22,149 timer switch suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of timer switch respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 6,793 with ISO9001, 2,154 with Other, and 1,526 with ISO14001 certification.