IEC 61259:1994

Foreword
Introduction
Clause
1 Scope and object
2 Normative reference
3 Definitions
4 Type tests
   4.1 Test duties for making and breaking of
        bus-charging current
   4.2 Arrangement of the disconnector for tests
   4.3 Test frequency
   4.4 Test voltages for making and breaking tests
   4.5 Test circuits for making and breaking tests
   4.6 Performance of making and breaking tests
   4.7 Behaviour of the disconnector during making and
        breaking tests
   4.8 Condition after test
   4.9 Type test reports
   4.10 Requirements for measurements

This standard provides test requirements for gas-insulated metal-enclosed disconnectors used to switch small capacitive currents (no load currents) such as occur when sections of busbars or grading capacitors are energized or de-energized.