NEMA SM 1-2017 covers general-purpose synchronous motors without excited rotor windings, including polyphase alternating current permanent magnet motors rated 500 horsepower and less.
NEMA SM 1-2021 History
NEMA SM 1-2021
$202.00 $405.00
NEMA SM 1-2017
$173.00 $347.00
More Standards PDF
JIS C 9108:2009
$53.00 $107.00
NEMA DC 10-2009 (R2014, R2021)
$47.00 $94.00
JIS Z 1523:2009
$16.00 $32.00
JIS B 2403:2009
$37.00 $75.00