API-541 Complete Document History
Form-wound Squirrel Cage Induction Motors - 375 kW (500 Horsepower) and Larger

Complete Current Edition:
   5TH EDITION R21 - REAFFIRMED IN 2021 - May 1, 2021

Obsolete Revision Information:
   5TH EDITION - Form-wound Squirrel Cage Induction Motors - 375 kW (500 Hors - Dec. 1, 2014
   4TH EDITION - FORM-WOUND SQUIRREL-CAGE INDUC - June 1, 2004
   3RD EDITION - FORM-WOUND SQUIRREL-CAGE INDUC - April 1, 1995
   2ND EDITION - FORM-WOUND SQUIRREL-CAGE INDUC - Nov. 1, 1987