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IEEE STANDARD

C37.04-1979 - IEEE Standard Rating Structure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis

Description: Superseded by C37.04-1999 A rating structure for AC high-voltage circuit breakers rated on a symmetrical current basis is established. The rating structure applies to indoor and outdoor types of AC high-voltage circuit breakers rated above 1000 V. Service conditions, construction, and nameplate markings are also considered.
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