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IEEE C37.09a-2025
IEEE Standard Test Procedures for AC High-Voltage Circuit Breakers with Rated Maximum Voltage Above 1000 V Amendment 1: Modifications to test procedures
Amendment Standard - Active. Items discovered by users and manufacturers related to discrepancies with other standards, and uncertainties in testing procedures will be addressed in this amendment. For further details, see the introduction.
Institute of Electrical and Electronics Engineers [ieee]