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NEMA releases revised standard on motors and generators

Aug 25, 2003 12:00 PM

The National Electrical Manufacturers Association has released MG 1-2003, “Motors and Generators”, a revised version of MG 1-1998. The standard provides more than 500 pages of manufacturing and performance data related to electric motors and generators and assists in this selection and application.

Included in this new version is a section of NEMA Premium Efficiency Motors with expanded information on short-time rated machines. Part 5, “Classification of Degrees of Protection Provided by Enclosures for Rotating Machines,” has also been updated to align MG 1 with the IEC 60034-5 standard.

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