IEEE
IEEE C37.04a-2025
IEEE Standard for Ratings and Requirements for AC High-Voltage Circuit Breakers with Rated Maximum Voltage Above 1000 V Amendment 1: Changes to Construction Requirements and Clarification of Certain Related Required Capabilities
Applicability Summary
IEEE C37 family metadata record for switchgear, circuit breakers, relays, reclosers, and protection equipment; this record points to the official IEEE SA page for IEEE C37.04a-2025.
Notes
IEEE SA page status: Active Standard. Published: 2025-09-24. IEEE record number: 10796.