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About product and suppliers:
        Alibaba.com offers 121,593 programmable controller products. About 2% of these are access control card, 2% are other electronic components, and 1% are temperature instruments. 

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

There are 121,344 programmable controller suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and India, which supply 98%, 1%, and 1% of programmable controller respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 14,129 with Other, 11,890 with ISO9001, and 1,869 with ISO14001 certification.