IEEE C37.04-1999 pdf download.IEEE Standard Rating Structure for AC High-Voltage Circuit Breakers. Abstract: This standard covers the rating stwcture for all high-voltage circuit breakers, which include all voltage ratings above 1000 V ac and comprise both indoor...
IEEE C37.09-1999 pdf download
IEEE C37.09-1999 pdf free download.IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis. Abstract: The testing procedures for all high-voltage circuit breakers that include all voltage ratings above 1000 V ac...