NEMA publishes “Motors and Generators” standard
Rosslyn, VA— The National Electrical Manufacturers Association (NEMA) recently released Revision 3 of its “Motors and Generators” standard (MG 1-1998). The 500-plus-page publication offers manufacturing and performance data related to ac and dc electric motors and generators. This is the final revision before the standard’s new version is issued in 2003.
MG 1-Rev.3 adds the newest available data on motors and generators. For example, a fully revised Part 5, “Classification of Degrees of Protection Provided by Enclosures for Rotating Machines,” brings MG 1 into alignment with the related International Electrotechnical Commission standard IEC 60034-5. Other changes include correcting dimensions in tables and drawings of the earlier MG 1 version.
MG 1-Rev. 3 costs $74 and can be obtained from Global Engineering Documents at 800/854-7179 in the U.S. or at 303/397-7956 internationally; via fax at 303/397-2740; or by visiting www.global.ihs.com .
NEMA, the U.S. trade association of electroindustry manufacturers, represents 400 member companies that manufacture products used in the generation, transmission and distribution, control, and end-use of electricity.
Control Engineering Daily News Desk
Frank J. Bartos, executive editor
fbartos@reedbusiness.com
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