The National Electrical Manufacturers Association (NEMA) has reactivated and published ANSI/NEMA C50.41, "American National Standard Polyphase Induction Motors for Power Generating Stations." Reactivated with ANSI approval, ANSI/NEMA C50.41-2012 applies requirements to polyphase induction motors intended for use in power generating stations including:
- frame size larger than NEMA 440 series
- squirrel-cage type
- single speed or multispeed
- horizontal or vertical construction
- form wound
View the contents and scope of ANSI/NEMA C50.41-2012. A hard or electronic copy may be purchased for $63 by visiting global.ihs.com, or contacting IHS by phone at (800) 854-7179
(United States) or (303) 397-7956 (international).