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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.
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Institute of Electrical and Electronics Engineers [ieee]