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  • IEC TR 63054:2017

    Current The latest, up-to-date edition.

    Low-voltage switchgear and controlgear - Fire risk analysis and risk reduction measures

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    Published date:  26-07-2017

    Publisher:  International Electrotechnical Committee

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Ignition modes for electrical fires
    5 Conclusion
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC TR 63054:2017(E) applies to the fire risk analysis of low-voltage switchgear and controlgear (hereinafter referred to as "equipment") referring to the IEC 60947 relevant publications, where the following applies:
    - only the case where a fire originates (typically under fault or misuse conditions) within the equipment;
    - only equipment installed in normal environments. Hazardous environments, for example in presence of combustible materials, is not to be considered;
    - only the case of products selected, installed and used according to the manufacturer instructions and installation rules.
    In addition, the following cases are not considered:
    - faults addressed by IEC TR 61641;
    - risks due to smoke emissions;
    - double faults, i.e. multiple phenomenon, potentially combined.

    General Product Information - (Show below) - (Hide below)

    Development Note Stability Date: 2021. (07/2017)
    Document Type Technical Report
    Publisher International Electrotechnical Committee
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    18/30368743 DC (published 2018-04) BS EN 60947-6-2. Low-voltage switchgear and controlgear Part 6-2. Multiple function equipment. Control and protective switching devices (or equipment) (CPS)
    18/30371712 DC BS EN 60947-6-1. Low-voltage switchgear and controlgear Part 6-1. Multiple function equipment. Transfer switching equipment

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60950-1:2005+AMD1:2009+AMD2:2013 CSV Information technology equipment - Safety - Part 1: General requirements
    IEC 60947-7-2:2009 Low-voltage switchgear and controlgear - Part 7-2: Ancillary equipment - Protective conductor terminal blocks for copper conductors
    NFPA 921 : 2017 GUIDE FOR FIRE AND EXPLOSION INVESTIGATIONS
    IEC 60947-4-1:2009+AMD1:2012 CSV Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
    IEC 60695-2-3:1984 Fire hazard testing. Part 2: Test methods. Bad-connection test with heaters
    IEC 60999-2:2003 Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Part 2: Particular requirements for clamping units for conductors above 35 mm2 up to 300 mm2 (included)
    IEC 60050-212:2010 International Electrotechnical Vocabulary (IEV) - Part 212: Electrical insulating solids, liquids and gases
    IEC 60947-5-1 : 4.0 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-1: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - ELECTROMECHANICAL CONTROL CIRCUIT DEVICES
    IEC 60695-2-11:2014 Fire hazard testing - Part 2-11: Glowing/hot-wire based test methods - Glow-wire flammability test method for end-products (GWEPT)
    IEC 60947-7-1:2009 Low-voltage switchgear and controlgear - Part 7-1: Ancillary equipment - Terminal blocks for copper conductors
    IEC 60999-1:1999 Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Part 1: General requirements and particular requirements for clamping units for conductors from 0,2 mm2 up to 35 mm2 (included)
    ISO/IEC Guide 51:2014 Safety aspects Guidelines for their inclusion in standards
    IEC 60695-2-12:2010+AMD1:2014 CSV Fire hazard testing - Part 2-12: Glowing/hot-wire based test methods- Glow-wire flammability index (GWFI) test method for materials
    IEC TR 61641:2014 Enclosed low-voltage switchgear and controlgear assemblies - Guide for testing under conditions of arcing due to internal fault
    IEC 60947-1:2007+AMD1:2010+AMD2:2014 CSV Low-voltage switchgear and controlgear - Part 1: General rules
    IEC 60695-11-10:2013 Fire hazard testing - Part 11-10: Test flames - 50 W horizontal and vertical flame test methods
    IEC 60695-1-21:2016 Fire hazard testing - Part 1-21: Guidance for assessing the fire hazard of electrotechnical products - Ignitability - Summary and relevance of test methods
    IEC 60050-121:1998 International Electrotechnical Vocabulary (IEV) - Part 121: Electromagnetism
    IEC 60947-3:2008+AMD1:2012+AMD2:2015 CSV Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
    IEC 62477-1:2012+AMD1:2016 CSV Safety requirements for power electronic converter systems and equipment - Part 1: General
    IEC 60947-2:2016 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
    IEC 60695-11-5 : 2.0 FIRE HAZARD TESTING - PART 11-5: TEST FLAMES - NEEDLE-FLAME TEST METHOD - APPARATUS, CONFIRMATORY TEST ARRANGEMENT AND GUIDANCE
    IEC 60695-11-5:2016 Fire hazard testing - Part 11-5: Test flames - Needle-flame test method - Apparatus, confirmatory test arrangement and guidance
    IEC 60947-6-1:2005+AMD1:2013 CSV Low-voltage switchgear and controlgear - Part 6-1: Multiple functionequipment - Transfer switching equipment
    IEC 60695-1-10:2016 Fire hazard testing - Part 1-10: Guidance for assessing the fire hazard of electrotechnical products - General guidelines
    IEC GUIDE 116:2010 Guidelines for safety related risk assessment and risk reduction for low voltage equipment
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