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About product and suppliers:
        Alibaba.com offers 3,470 scr power controller products. About 100% of these are thyristors, 9% 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 svc, jiw, and dbw. And whether scr power controller is free samples, or paid samples. 

There are 3,492 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 Eastern Europe, Mid East, and North America. 

You can ensure product safety by selecting from certified suppliers, including 742 with ISO9001, 279 with Other, and 55 with ISO14001 certification.