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About product and suppliers:
        Alibaba.com offers 12,436 scr power controller products. About 91% of these are thyristors, 2% are voltage regulators/stabilizers, and 1% are relays. 

A wide variety of scr power controller options are available to you, such as single phase, three phase, and single. You can also choose from ac, dc. As well as from protective, svc, and dbw. And whether scr power controller is free samples, or paid samples. 

There are 12,458 scr power controller suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of scr power controller respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 917 with ISO9001, 475 with Other, and 62 with ISO14001 certification.