ANSI/IEEE Std C37.20.1-1987
IEEE Standard for Metal-Enclosed Low-Voltage Power Circuit-Breaker Switchgear

Standard No.

ANSI/IEEE Std C37.20.1-1987

Release Date

1987

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Latest

ANSI/IEEE Std C37.20.1-1987

Scope

Low-voltage metal-enclosed switchgear, which can contain either stationary or drawout, manually or electrically operated low-voltage AC or DC power circuit breakers in individual grounded metal compartments, in three-pole, two-pole, or single-pole construction is covered. Rated maximum voltage levels can be 254 V, 508 V, or 635 Vac and 300/325 V, 800 V, 1000 V, 1600 V, or 3200 Vdc. The continuous ...

ANSI/IEEE Std C37.20.1-1987 history

• 1987 ANSI/IEEE Std C37.20.1-1987 IEEE Standard for Metal-Enclosed Low-Voltage Power Circuit-Breaker Switchgear