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IEEE 339

1972 Edition, January 1, 1972

Complete Document

Requirements for Switching-Impulse Voltage Insulation Strength for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis (362 kV and Above)

Includes all amendments and changes through Change/Amendment , 1972

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Description / Abstract:

This standard covers requirements for switching-impulse voltage insulation strength for outdoor ac high-voltage circuit breakers having rated maximum voltages of 362 kV and above.


The purpose of this standard is to define the special terms used, to provide a rating structure, and to provide a dielectric test procedure. It specifies methods of testing, conditions during tests, and wave shapes to be used for switching-impulse voltage testing. This standard is intended as an addition to the American National Standards for ac highvoltage circuit breakers rated on a symmetrical current basis: C37.03-1964 (R 1969); C37.04-1964 (R 1969); C37.05-1964 (R 1969); C37.06-1971; C37.07-1969; C37.09-1964 (R 1969); C37.010-1964 (R 1969); C37.12-1969; and their supplements.1 It is planned to eventually incorporate its contents in these basic circuit breaker standards.

1See the Foreword for complete titles of these standards.