IEEE
(Originally issued
Std
for
trial use in
620-1987
1981)
IEEE
Interpretation of
Guide for Construction
Thermal
Squirrel-Cage Motors Over
and
Limit Curves for
500
hp
Published by The Institute
March
9,1987
of
Electrical and Electronics Engineers, Inc
345
East 47th Street, New York,
NY
10017,
SH11007
USA