IEEE Std PC37.20.1b/D3
Unapproved IEEE Draft Standard for Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear---Amendment 2: Additional Requirements for Control and Auxiliary Power Wiring in DC Traction Power Switchgear (Amendment to C37.20.1-2002)

Standard No.

IEEE Std PC37.20.1b/D3

Release Date

2023

Published By

Institute of Electrical and Electronics Engineers (IEEE)