CEI IEC/TR 60890 : 1ED 2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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A METHOD OF TEMPERATURE-RISE VERIFICATION OF LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES BY CALCULATION
15-06-2024
24-01-2018
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Conditions for application
5 Calculation
6 Evaluation of the design
Annex A (informative) - Examples for the calculation
of the temperature-rise of air inside the enclosures
Annex B (informative) - Operating current and power
losses of conductors
Bibliography
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