Brushless dc motor

Improve efficiency with Greenheck Fan Corp.’s quiet and cool Vari-Green motor. This brushless dc electronically-commutated motor runs off a 115 V single-phase input and offers higher efficiencies with improved speed control capabilities. The motor allows for 80% turndown of full speed, is available in ¼-, ½-, and ¾-hp sizes, and has three control options: 0 to 10 Vdc input...
By Consulting-Specifying Engineer Staff July 1, 2009

Improve efficiency with Greenheck Fan Corp.’s quiet and cool Vari-Green motor. This brushless dc electronically-commutated motor runs off a 115 V single-phase input and offers higher efficiencies with improved speed control capabilities. The motor allows for 80% turndown of full speed, is available in

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