FOREWORD
1 General
  1.1 Scope and object
  1.2 Normative references
2 Definitions
3 Rated values
  3.1 General
  3.2 System of establishing rated current-time values for
      semiconductor assemblies and equipments
      3.2.1 General
      3.2.2 Rated current of a common converter transformer
      3.2.3 Rated values of a double converter
      3.2.4 Determination of type of load duty
  3.3 Rated currents for equipments and sections
      3.3.1 General
      3.3.2 Rated currents for uniform load duty
      3.3.3 Rated currents for intermittent peak load duty
      3.3.4 Rated currents for intermittent load duty
      3.3.5 Rated currents for intermittent load duty with
            no-load intervals
      3.3.6 Rated currents for repetitive load duty
      3.3.7 Rated currents for non-repetitive load duty
  3.4 Overload and surge current capability
4 Duty classes for non-repetitive load duty
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications