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IEC TR 60890:2014

IEC TR 60890:2014

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

29-09-2022

Superseded by

IEC TR 60890:2022
IEC TR 60890:2022 RLV

Language(s)

English - French

Published date

07-05-2014

Publisher

International Electrotechnical Committee

€244.32
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Hardcopy - English - French
PDF - English - French
PDF 3 Users - English - French
PDF 5 Users - English - French
PDF 9 Users - English - French
Hardcopy - English - French
PDF - English - French
PDF 3 Users - English - French
PDF 5 Users - English - French
PDF 9 Users - English - French
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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Superseded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

09/30194273 DC : 0 BS EN 62208 - EMPTY ENCLOSURES FOR LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - GENERAL REQUIREMENTS
CEI 32-10 : 2001 GUIDANCE CONCERNING THE PERMISSIBLE TEMPERATURE RISE FOR PARTS OF ELECTRICAL EQUIPMENT, IN PARTICULAR FOR TERMINALS
PD IEC/TR 60943:2009 Guidance concerning the permissible temperature rise for parts of electrical equipment, in particular for terminals
PD CLC/TR 50479:2007 Electrical installation guide. Selection and erection of electrical equipment. Wiring systems. Limitation of temperature rise of connecting interfaces
UNE-EN 60282-1:2011 High-voltage fuses - Part 1: Current-limiting fuses
EN 61439-1:2011 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
CEI EN 60282-1 : 2011 HIGH-VOLTAGE FUSES - PART 1: CURRENT-LIMITING FUSES
IEC 60439-1:1999+AMD1:2004 CSV Low-voltage switchgear and controlgear assemblies - Part 1: Type-tested and partially type-tested assemblies
EN 62208:2011 Empty enclosures for low-voltage switchgear and controlgear assemblies - General requirements
BS EN 60282-1 : 2009 HIGH-VOLTAGE FUSES - PART 1: CURRENT-LIMITING FUSES
BS EN 62208:2011 Empty enclosures for low-voltage switchgear and controlgear assemblies. General requirements
PD IEC/TR 62271-307:2015 High-voltage switchgear and controlgear Guidance for the extension of validity of type tests of AC metal and solid-insulation enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
IEC TR 61200-52:2013 Electrical installation guide - Part 52: Selection and erection of electrical equipment - Wiring systems
CEI EN 62208 : 2012 EMPTY ENCLOSURES FOR LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - GENERAL REQUIREMENTS
S.R. CLC/TR 50479:2007 ELECTRICAL INSTALLATION GUIDE - SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - WIRING SYSTEMS - LIMITATION OF TEMPERATURE RISE OF CONNECTING INTERFACES
IEC TR 62655:2013 Tutorial and application guide for high-voltage fuses
IEC 60204-1:2016 Safety of machinery - Electrical equipment of machines - Part 1: General requirements
I.S. EN 60282-1:2009 HIGH-VOLTAGE FUSES - PART 1: CURRENT-LIMITING FUSES
BS 5486-1:1990 Low-voltage switchgear and controlgear assemblies Requirements for type-tested and partially type-tested assemblies
BS IEC 60943:1998 Guidance concerning the permissible temperature rise for parts of electrical equipment, in particular for terminals
UNE-EN 62208:2012 Empty enclosures for low-voltage switchgear and controlgear assemblies - General requirements
I.S. EN 61439-1:2011 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 1: GENERAL RULES (IEC 61439-1:2011)
EN 60282-1:2009/A1:2014 HIGH-VOLTAGE FUSES - PART 1: CURRENT-LIMITING FUSES (IEC 60282-1:2009)
PD IEC/TR 62655:2013 Tutorial and application guide for high-voltage fuses
CLC/TR 50479:2007 Electrical installation guide - Selection and erection of electrical equipment - Wiring systems - Limitation of temperature rise of connecting interfaces
I.S. EN 62208:2011 EMPTY ENCLOSURES FOR LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - GENERAL REQUIREMENTS (IEC 62208:2011)
I.S. EN 60439-1:2000 LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 1 - TYPE TESTED AND PARTIALLY TYPE TESTED ASSEMBLIES
04/30123347 DC : DRAFT OCT 2004 IEC 61439-1 - LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 1: GENERAL RULES
IEC 61439-1:2011 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
IEC 60282-1:2009+AMD1:2014 CSV High-voltage fuses - Part 1: Current-limiting fuses
14/30238347 DC : 0 BS EN 60204-1 ED 6.0 - SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 1: GENERAL REQUIREMENTS
09/30204029 DC : 0 BS EN 61439-1 - LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 1: GENERAL RULES
IEC TR 62271-307:2015 High-voltage switchgear and controlgear - Part 307: Guidance for the extension of validity of type tests of AC metal and solid-insulation enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
BS EN 60439-1:1999 Low-voltage switchgear and controlgear assemblies Type-tested and partially type-tested assemblies
IEC 61439-1:2020 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
16/30301661 DC : 0 BS EN 61439-1 ED3.0 - LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 1: GENERAL RULES
IEC 62208:2011 Empty enclosures for low-voltage switchgear and controlgear assemblies - General requirements
IEC TR 60943:1998+AMD1:2008 CSV Guidance concerning the permissible temperature rise for parts of electrical equipment, in particular for terminals
UNE-EN 61439-1:2012 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
BS EN 61439-1:2011 Low-voltage switchgear and controlgear assemblies General rules
DIN VDE 0660-500 : 1991 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - REQUIREMENTS FOR TYPE-TESTED AND PARTIALLY TYPE-TESTED ASSEMBLIES
EN 60439-1:1999/A1:2004 LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 1 - TYPE TESTED AND PARTIALLY TYPE TESTED ASSEMBLIES

IEC 60228:2004 Conductors of insulated cables
IEC 61439-1:2011 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
IEC 60364-5-52:2009 Low-voltage electrical installations - Part 5-52: Selection and erection of electrical equipment - Wiring systems

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