CEI EN 62271-207 : 2014

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Seismic qualification requirements
5 Test procedures for qualification
6 Qualification by combined test and
  numerical analysis
7 Evaluation of the seismic qualification
8 Documentation
Annex A (normative) - Characterisation of the test-set
Annex B (informative) - Criteria for seismic adequacy
        of gas-insulated metal-enclosed switchgear
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Applicable to gas-insulated switchgear assemblies for alternating current of rated voltages above 52 kV for indoor and outdoor installations, including their supporting structure.