NEMA SM 1-2021
Guide to General-Purpose Synchronous Motors without Excited Rotor Windings

Standard No.

NEMA SM 1-2021

Release Date

2021

Published By

National Electrical Manufacturers Association（NEMA)

Latest

NEMA SM 1-2021

NEMA SM 1-2021 history

• 2021 NEMA SM 1-2021 Guide to General-Purpose Synchronous Motors without Excited Rotor Windings
• 2017 NEMA SM 1-2017 Guide to General-Purpose Synchronous Motors without Excited Rotor Windings