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NEMA Motors and Generators Standard Adds New Efficiency Test for Air-Over Motors


03/6/2017 4:00PMSign-up to receive press releases.

ROSSLYN, Va.—Today, the National Electrical Manufacturers Association (NEMA) released a new efficiency test method for air-over (AO) motors as part of its MG 1 Motors and Generators standard.

Part 34: Air-Over Motor Efficiency Test Method, covers AO motors that operate in and are cooled by the airstream of a fan or blower that is not supplied with the motor, and whose primary purpose is providing airflow to an application rather than the primary purpose of cooling the motor. There are three temperature test procedures recognized by the NEMA Motors and Generators (1MG) Technical Committee.

"AO motors require special procedures to reach an appropriate temperature. These test procedures replace the temperature test portion of the applicable efficiency test method," said Tim Schumann service manager of SEW-Eurodrive, Inc., and chair of 1MG.

NEMA MG 1-2016 is available in hard copy for $484 and as an electronic download at no cost on the NEMA website. For those who previously purchased a copy of NEMA MG 1-2016, click here to receive Part 34 as a download at no cost.

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The National Electrical Manufacturers Association (NEMA) represents nearly 350 electrical equipment and medical imaging manufacturers at the forefront of electrical safety, reliability, and resilience, as well as efficiency and energy security. Our combined industries account for 360,000 American jobs in more than 7,000 facilities covering every state. Our industry produces $106 billion shipments of electrical equipment and medical imaging technologies per year with $36 billion exports.

Press contact:
Tracy Cullen
703-841-3282
press@nema.org


 

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