IEEE C37.09a-1991 (Supplement to IEEE C37.09-1979)
IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis
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IEEE C37.09a-1991 (Supplement to IEEE C37.09-1979)
Standard No.
IEEE C37.09a-1991 (Supplement to IEEE C37.09-1979)
Release Date
1992
Published By
Institute of Electrical and Electronics Engineers (IEEE)
Scope
The required load current switching capability and life are defined, and load current switching tests are specified.
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