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S.R. CLC/TR 50480:2011

Current
Current

The latest, up-to-date edition.

DETERMINATION OF CROSS-SECTIONAL AREA OF CONDUCTORS AND SELECTION OF PROTECTIVE DEVICES
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2011

Preview

Foreword
Introduction
1 Scope
2 Reference documents
3 Symbols
4 Parameters
5 Characteristics of installations
6 Characteristics of the supply source
7 Characteristics of protective devices
8 Protection against overload currents
9 Determination of breaking capacity of protective devices
10 Ability to withstand electro-dynamic stresses for busbar
   trunking systems
11 Fault protection (protection against indirect contact)
12 Verification of thermal stress in conductors
13 Voltage drop
Annex A - Conductor resistances
Bibliography

Pertains to low-voltage installations with a nominal system frequency of 50 Hz in which the circuits consist of insulated conductors, cables or busbar trunking systems.

DocumentType
Standard
Pages
38
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
CLC/TR 50480:2011 Identical

IEC 60364-5-54:2011 Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors
IEC 60364-4-43:2008 Low-voltage electrical installations - Part 4-43: Protection for safety - Protection against overcurrent
IEC 60228:2004 Conductors of insulated cables
HD 60364-4-43:2010 Low-voltage electrical installations - Part 4-43: Protection for safety - Protection against overcurrent
IEC 60724:2000+AMD1:2008 CSV Short-circuit temperature limits of electric cables with rated voltages of 1 kV (<em>U</em><sub>m</sub> = 1,2 kV) and 3 kV (<em>U</em><sub>m</sub> = 3,6 kV)
IEC 60364-4-41:2005+AMD1:2017 CSV Low voltage electrical installations - Part 4-41: Protection for safety - Protection against electric shock
EN 61439-1:2011 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
IEC 60439-2:2000+AMD1:2005 CSV Low-voltage switchgear and controlgear assemblies - Part 2: Particular requirements for busbar trunking systems (busways)
IEC 60269-2:2013+AMD1:2016 CSV Low-voltage fuses - Part 2: Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial application) - Examples of standardized systems of fuses A to K
IEC 60364-5-53:2001+AMD1:2002+AMD2:2015 CSV Electrical installations of buildings - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control
HD 60364-4-41:2017/A11:2017 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 4-41: PROTECTION FOR SAFETY - PROTECTION AGAINST ELECTRIC SHOCK
EN 60228:2005 COR 2005 CONDUCTORS OF INSULATED CABLES
IEC 60269-1:2006+AMD1:2009+AMD2:2014 CSV Low-voltage fuses - Part 1: General requirements
IEC 60269-3:2010+AMD1:2013 CSV Low-voltage fuses - Part 3: Supplementary requirements for fuses foruse by unskilled persons (fuses mainly for household or similar applications) - Examples of standardized systems of fuses A to F
IEC 60439-1:1999+AMD1:2004 CSV Low-voltage switchgear and controlgear assemblies - Part 1: 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
HD 384.5.54 : 200S1 ELECTRICAL INSTALLATION OF BUILDINGS - SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - EARTHING ARRANGEMENTS AND PROTECTIVE CONDUCTORS
HD 60269-2:2013 Low-voltage fuses - Part 2: Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial application) - Examples of standardized systems of fuses A to K
IEC 61439-1:2011 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
IEC 60947-2:2016 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
EN 60947-2:2017 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
HD 60269-3:2010/A1:2013 LOW-VOLTAGE FUSES - PART 3: SUPPLEMENTARY REQUIREMENTS FOR FUSES FOR USE BY UNSKILLED PERSONS (FUSES MAINLY FOR HOUSEHOLD AND SIMILAR APPLICATIONS) - EXAMPLES OF STANDARDIZED SYSTEMS OF FUSES A TO F
EN 60439-2:2000/A1:2005 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 2: PARTICULAR REQUIREMENTS FOR BUSBAR TRUNKING SYSTEMS (BUSWAYS)
IEC 60364-5-52:2009 Low-voltage electrical installations - Part 5-52: Selection and erection of electrical equipment - Wiring systems
EN 60269-1:2007/A2:2014 LOW-VOLTAGE FUSES - PART 1: GENERAL REQUIREMENTS (IEC 60269-1:2006/A2:2014)

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