ANSI C37.33a Supplement-1990
Switchgear - High-voltage air switches - Rated control voltages and their ranges; Supplement

Standard No.

ANSI C37.33a Supplement-1990

Release Date

1990

Published By

American National Standards Institute （ANSI)

Latest

ANSI C37.33a Supplement-1990

ANSI C37.33a Supplement-1990 history

• 1990 ANSI C37.33a Supplement-1990 Switchgear - High-voltage air switches - Rated control voltages and their ranges; Supplement