The rating structure for all high-voltage circuit breakers, which include all voltage ratings above 1000 V ac and comprise both indoor and outdoor types, is covered in this standard. Preferred ratings are also provided. Typical circuit breakers covered by these standards have maximum voltage ratings ranging from 4.76 kV through 800 kV, and continuous current ratings of 600 A, 1200 A, 2000 A, 3000 ...
IEEE PC37.04/D3.1, November 2017由美国电气电子工程师学会 US-IEEE 发布于 2017-11-18,并于 2017-11-18 实施。
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