ANSI-C50.41 Complete Document History
American National Standard Polyphase Induction Motors for Power Generation Stations

Complete Current Edition:
   2012 R21 EDITION - REAFFIRMED IN 2021 - Jan. 1, 2021

Obsolete Revision Information:
   2012 EDITION - American National Standard Polyphase Induction Motors for Power Generation Stations - March 11, 2013
   2000 EDITION - Polyphase Induction Motors for Power Generation Stations - Jan. 1, 2000
   DOD ADOPTION 1 - FYI ONLY: DOD ADOPTED - Dec. 23, 1991
   1982 EDITION - Polyphase Induction Motors for Power Generation Stations - Jan. 1, 1982