IEC TR 60890:2014
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
07-05-2014
29-09-2022
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
IEC TR 60890:2014 specifies a method of temperature-rise verification of low-voltage switchgear and controlgear ASSEMBLIES by calculation. The method is applicable to enclosed ASSEMBLIES or partitioned sections of ASSEMBLIES without forced ventilation. It is not applicable where temperature rise verification to the relevant product standard of the IEC 61439 series has been established. This second edition cancels and replaces the first edition published in 1987 and its Amendment 1:1995. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the last edition:
- alignment with IEC 61439-1:2011;
- revision of Annex B;
- general editorial review.
| Committee |
TC 121/SC 121B
|
| DevelopmentNote |
Stability date: 2019. (05/2014)
|
| DocumentType |
Technical Report
|
| Pages |
65
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| DIN EN 61439-1 SUPP 2 : 2016 | Identical |
| VDE 0660-600-1 SUPP 2 : 2016 | Identical |
| NEN NPR IEC/TR 60890 : 2014 | Identical |
| CEI IEC/TR 60890 : 2018 | Identical |
| CEI IEC/TR 60890 : 1ED 2017 | Identical |
| NEN 10890 : 1997 | Identical |
| HD 528 : 200S2 | Identical |
| NEN NPR EN IEC 60890 : 2002 | Identical |
| PN HD 528 : 2002 | Identical |
| VDE 0660-507 : 1997 | Identical |
| NEN HD 528 : 1997 | Identical |
| UNE 20890:1995 | Identical |
| I.S. HD 528 S2:1999 | Identical |
| NF EN 60890 : 2002 PR | Identical |
| CLC/TR 60890:2002 | Identical |
| DIN VDE 0660-507 : 1997 | Corresponds |
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