I.S. EN 60216-5:2008

FOREWORD
1 Scope
2 Normative references
3 Terms, definitions, symbols, units and abbreviations
  3.1 Terms, abbreviations, and definitions
  3.2 Symbols and units
  3.3 Objectives of RTE determination
4 Experimental procedures
  4.1 Selection of reference EIM
  4.2 Selection of diagnostic test for extent of ageing
  4.3 Ageing procedures
5 Calculation procedures
  5.1 Thermal endurance data - Calculation of intermediate
      parameters
  5.2 Calculation of RTE
  5.3 Statistical and numerical tests
      5.3.1 Tests of IEC 60216-3
      5.3.2 Precision of correlation time
      5.3.3 Lower confidence interval of RTE
      5.3.4 Extrapolation
6 Report
  6.1 Results of statistical and numerical tests
  6.2 Results
  6.3 Report
7 Material testing by short-term thermal ageing
8 Insulation classification
Annex A (informative) - Repeatability of correlation time
Annex B (informative) - Thermal class assignment
Annex C (informative) - Computer program
Annex D (informative) - Selection of the reference EIM
Annex ZA (normative) - Normative references to international
                       publications with their corresponding
                       European publications
Bibliography

Defines the experimental and calculation procedures to be used for deriving the relative thermal endurance index of a material from experimental data obtained in accordance with the instructions of IEC 60216-1 and IEC 60216-2.