Archive > 2014 > December 2014 > The Small Motor Rule, How Will This Affect You

The Small Motor Rule, How Will This Affect You - December 2014

Chris Medinger

The article "The Small Motor Rule, How Will This Affect You" appeared in the December 2014 issue of Power Transmission Engineering.

Summary
According to the Department of Energy (DOE), more than half of all electrical energy consumed in the U.S. is used by electric motors. To address this, several years ago, the DOE conducted a technical study as to what could be done to raise the efficiency levels of “small” motors. After years of study and litigation, the Small Motor Rule (SMR) was passed that covers two-digit NEMA frame single- and three-phase ¼ through 3 horsepower motors in open enclosures.

Keywords
motors, Motor Designs, Federal Regulations, NEMA, DOE, EISA, motor efficiency

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