"This standard applies to all indoor and outdoor types of ac high.voltage circuit breakers rated 1@000 volts and above. Purpose The purpose of this standard is to establish a rating structure for ac high""'ohage circuit breakers."
IEEE C37.04-1964 history
1970IEEE C37.04-2018 IEEE Standard for Ratings and Requirements for AC High-Voltage Circuit Breakers with Rated Maximum Voltage Above 1000 V
1999IEEE C37.04-1999 IEEE Standard Rating Structure for AC High-Voltage Circuit Breakers
1979IEEE C37.04-1979 Rating Structure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis
1964IEEE C37.04-1964 Rating Structure for AC High-Voltage Circuit Breakers (Incorporates Supplement: 03/19/1970)