Electronically commutated fans boost efficiency
Stephen Law
Thermal management Engineering EC fans fansORION FANS EC Series of Electronically Commutated (EC) fans provide a low power, dual speed, energy-efficient cooling solution for large, power hungry equipment. Product’s fan speed settings can be pre-programmed at the factory to simplify installation and deliver even more power savings. Devices utilize a brushless dc motor with a single or universal ac input. Units incorporate voltage transformation within the motor to provide low power ratings of 8W at low speed and 26W at high speed. http://orionfans.com/products/ac-fans/item/oa200ec.html
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