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

Standard No.

IEEE Std C37.20.1-1987

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Status

Be replaced 1993-09

Replace By

IEEE Std C37.20.1-1993

Latest

IEEE Std C37.20.1-2015

IEEE Std C37.20.1-1987 history

• 1970 IEEE Std C37.20.1-2015 Armored low-voltage power circuit breaker switchgear (1000 volts and below, 3200 volts and below)
• 2005 IEEE Std C37.20.1/INT 1-2005 IEEE Standards Interpretations for IEEE Std C37.20.1™-1993
• 2002 IEEE Std C37.20.1-2002 Metal-enclosed low-voltage power circuit breaker switchgear
• 1993 IEEE Std C37.20.1-1993 IEEE Standard for Metal - Enclosed Low - Voltage Power Circuit Breaker Switchgear
• 1970 IEEE Std C37.20.1-1987 IEEE Standard for Metal-Enclosed Low-Voltage Power Circuit-Breaker Switchgear