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IEEE C37.06.1-2017
IEEE Recommended Practice for Preferred Ratings for High-Voltage(>1000 volts) AC Circuit Breakers Designated Definite Purpose for Fast Transient Recovery Voltage Rise Times
The preferred ratings of transformer-limited fault duty (fast transient recovery voltage rise times) of indoor and outdoor high-voltage circuit breakers rated above 1000 V for use in commercial, industrial, and utility installations are described.
Institute of Electrical and Electronics Engineers [ieee]