NEMA SM 21

Guide to General-Purpose Synchronous Motors without Excited Rotor Windings

Org/Number ID	NEMA SM 21
Alternate Organization ID / number
Version(s)	1970
Bin #	0250
Comments
Status	Present
Record last updated	April 29, 2022, 4:27 am

This is not the most recent edition of this standard.

Newer edition note: 2021