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  • HD 60269-2-1:2005

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    Low-voltage fuses - Part 2-1: Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial application) - Sections I to VI: Examples of types of standardized fuses

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    Withdrawn date:  01-04-2008

    Language(s): 

    Published date:  25-05-2005

    Publisher:  European Committee for Standards - Electrical

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

    FOREWORD
    EXPLANATORY NOTE
    1 General
    2 Normative references
    SECTION I - FUSES WITH FUSE-LINKS WITH BLADE CONTACTS
       1.1 Scope
    2 Definitions
       5.2 Rated voltage
            5.3.1 Rated current of the fuse-link
            5.3.2 Rated current of the fuse-holder
       5.5 Rated power dissipation of a fuse-link and rated
            power acceptance of a fuse-holder
       5.6 Limits of time-current characteristics
            5.6.1 Time-current characteristics, time-current
                   zones and overload curves
            5.6.2 Conventional times and currents
            5.6.3 Gates
    6 Marking
       6.1 Markings of fuse-holders
       6.2 Markings of fuse-links
       7.1 Mechanical design
            7.1.2 Connections including terminals
            7.1.3 Fuse-contacts
            7.1.7 Construction of a fuse-link
       7.2 Insulating properties
       7.7 I[2]t characteristics
       7.8 Overcurrent discrimination of "gG" fuse-links
       7.9 Protection against electric shock
            8.1.4 Arrangement of the fuse and dimensions
            8.1.6 Testing of fuse-holders
            8.2.2 Points of application of the test voltage
            8.2.3 Value of test voltage
            8.2.4 Test method
            8.2.5 Acceptability of test results
            8.2.6 Resistance to tracking
       8.3 Verification of temperature rise and power
            dissipation
            8.3.1 Arrangement of the fuse
                   8.3.4.1 Temperature rise of the fuse-holder
                   8.3.4.2 Power dissipation of a fuse-link
                   8.3.4.1 Temperature rise of the fuse-holder
                   8.4.3.5 Conventional cable overload protection
                            (for "gG" fuse-links only)
                   8.5.5.1 Verification of the peak withstand
                            current of a fuse-base
            8.5.8 Acceptability of test results
            8.7.4 Verification of overcurrent discrimination
       8.9 Verification of resistance to heat
            8.9.1 Fuse-base
            8.9.2 Fuse-links with gripping lugs of moulded material
                   or of metal fixed in moulded material
       8.10 Verification of non-deterioration of contacts and
            direct terminal clamps
            8.10.1 Arrangement of the fuse
            8.10.2 Test method
            8.10.3 Acceptability of test results
       8.11 Mechanical and miscellaneous tests
    Annex A (informative) Special test for cable overload protection
    SECTION IA - FUSES WITH STRIKER FUSE-LINKS WITH BLADE
                 CONTACTS
       1.1 Scope
       5.2 Rated voltage
            5.3.1 Rated current of the fuse-link
            5.3.2 Rated current of the fuse-holder
       5.5 Rated power dissipation of a fuse-link and rated
            power acceptance of a fuse-holder
       5.6 Limits of time-current characteristics
    6 Marking
       7.1 Mechanical design
            7.1.2 Connections, including terminals
            7.1.3 Fuse-contacts
            7.1.7 Construction of a fuse-link
       7.7 12t characteristics
       7.8 Overcurrent discrimination of "gG" fuse-links
       7.9 Protection against electric shock
            8.1.6 Testing of fuse-holders
       8.3 Verification of temperature rise and power dissipation
                   8.4.3.6 Operation of indication devices and
                            strikers, if any
                   8.5.5.1 Verification of the peak withstand
                            current of a fuse-base
            8.7.4 Verification of overcurrent discrimination
            8.9.1 Fuse-base
                   8.9.1.1 Test arrangement
                   8.9.1.2 Test method
                   8.9.1.3 Acceptability of test results
                   8.9.2.1 Test arrangement
                   8.9.2.2 Test method
                   8.9.2.3 Acceptability of test results
                   8.11.1.2 Mechanical strength of the fuse-base
                   8.11.1.8 Impact resistance of gripping-lugs of
                            moulded material or of metal fixed in
                            moulded material
    SECTION IB - FUSE-RAILS (NH FUSE SYSTEM)
       1.1 Scope
            2.1.13 Fuse-rails
       5.2 Rated voltage
            5.3.2 Rated current
            5.5.1 Rated power acceptance
    6 Markings
       7.1 Mechanical design
            7.1.2 Connections, including terminals
       7.2 Insulating properties
       8.3 Verification of temperature rise and power dissipation
            8.3.1 Arrangement of the fuse
                   8.5.5.1 Verification of peak withstand current
                            of a fuse-base
                            8.5.5.1.1 Arrangement of the fuse
                            8.5.5.1.2 Test method
       8.10 Verification of non-deterioration of contacts and direct
            terminal clamps
            8.10.1 Arrangement of the fuse
                   8.10.1.2 Direct terminal clamps
                   8.11.1.2 Mechanical strength of the fuse-base
                   8.11.2.4.1 Test method
    SECTION IC - FUSE BASES FOR BUSBAR MOUNTING (40 MM-SYSTEM)
       1.1 Scope
            2.1.12 Fuse base for 40 mm busbar mounting
       5.2 Rated voltage
            5.3.2 Rated current
            5.5.2 Rated power acceptance of tandem fuse-bases
    6 Markings
       7.1 Mechanical design
            7.1.2 Connections, including terminals
            7.1.5 Construction of a fuse-base for busbar mounting
       8.3 Verification of temperature rise and power dissipation
            8.3.1 Arrangement of the fuse
                   8.3.4.1 Temperature rise of the fuse-holder
            8.9.1 Fuse-band
                   8.9.1.1 Test arrangement
                   8.9.1.3 Acceptance of test results
       8.10 Verification of non-deterioration of contacts and
            direct terminal clamps
            8.10.1 Arrangement of the fuse
            8.10.2 Test method
       8.11 Mechanical and miscellaneous tests
                   8.11.1.2 Mechanical strength of the fuse-base
    SECTION II - FUSES WITH FUSE-LINKS FOR BOLTED CONNECTIONS
       1.1 Scope
            5.3.1 Rated current of the fuse-link
            5.3.2 Rated current of the fuse-holder
       5.5 Rated power dissipation of a fuse-link and rated
            power acceptance of a fuse-holder
       5.6 Limits of time-current characteristics
            5.6.1 Time-current characteristics, time-current
                   zones and overload curves
            5.6.2 Conventional times and currents
            5.6.3 Gates
            5.7.2 Rated breaking capacity
       7.1 Mechanical design
            7.1.2 Connections including terminals
       7.9 Protection against electric shock
       8.3 Verification of temperature rise and power dissipation
            8.3.1 Arrangement of the fuse
            8.3.3 Measurement of the power dissipation of the
                   fuse-link
       8.4 Verification of operation
            8.4.1 Arrangement of the fuse
       8.5 Verification of breaking capacity
            8.5.1 Arrangement of the fuse
            8.5.8 Acceptability of test results
       8.10 Verification of non-deterioration of contacts
            8.10.1 Arrangement of the fuse
            8.10.2 Test method
            8.10.3 Acceptability of test results
    SECTION III: FUSES WITH FUSE-LINKS HAVING CYLINDRICAL
                 CONTACT CAPS
       1.1 Scope
       5.2 Rated voltage
            5.3.1 Rated current of the fuse-link
            5.3.2 Rated current of the fuse-holder
       5.5 Rated power dissipation of a fuse-link and rated
            power acceptance of a fuse-holder
       5.6 Limits of time-current characteristics
    6 Marking
       7.1 Mechanical design
            7.1.2 Connections including terminals
       7.7 12t characteristics
       7.8 Overcurrent discrimination of "gG" fuse-links
       7.9 Protection against electric shock
            8.1.6 Testing of fuse holders
            8.3.1 Arrangement of the fuse
                   8.3.4.1 Temperature-rise of the fuse-holder
                   8.3.4.2 Power dissipation of a fuse-link
            8.7.4 Verification of overcurrent discrimination
       8.10 Verification of non-deterioration of contacts
            8.10.1 Arrangement of the fuse
            8.10.2 Test method
            8.10.3 Acceptability of test results
    SECTION IV - FUSES WITH FUSE-LINKS WITH OFFSET BLADE
                 CONTACTS
       1.1 Scope
       5.2 Rated voltage
            5.3.1 Rated current of the fuse-link
            5.3.2 Rated current of the fuse-holder
       5.5 Rated power dissipation of a fuse-link and rated
            power acceptance of a fuse-holder
            5.6.1 Time current characteristics, time-current
                   zones
            5.6.2 Conventional times and currents
            5.6.3 Gates
            5.7.2 Rated breaking capacity
       7.1 Mechanical design
            7.1.2 Connections including terminals
       7.7 I[2]t characteristics
       7.9 Protection against electric shock
            8.3.3 Measurement of the power dissipation of the
                   fuse-link
                   8.3.4.1 Temperature rise of the fuse-holder
            8.4.1 Arrangement of the fuse
            8.5.1 Arrangement of the fuse
            8.7.4 Verification of overcurrent discrimination
       8.10 Verification of non-deterioration of contacts
            8.10.1 Arrangement of the fuse
            8.10.2 Test method
            8.10.3 Acceptability of test results
    SECTION V - FUSES WITH FUSE-LINKS HAVING "gD" AND "gN"
                CHARACTERISTICS
       1.1 Scope
       5.2 Rated voltage
            5.3.1 Rated current of the fuse-link
            5.3.2 Rated current of the fuse-holder
       5.5 Rated power dissipation of a fuse-link and rated
            power acceptance of a fuse-holder
       5.6 Limits of the time-current characteristics
            5.6.1 Time-current characteristics, time-current
                   zones
            5.6.2 Conventional times and currents
            5.6.3 Gates
            5.7.2 Rated breaking capacity
       7.1 Mechanical design
       7.6 Cut-off current characteristics
       7.7 I[2]t characteristics
       7.9 Protection against electric shock
       8.3 Verification of temperature rise and power
            dissipation
            8.3.1 Arrangement of the fuse
                   8.3.4.1 Temperature rise of the fuse-holder
                   8.3.4.2 Power dissipation of a fuse-link
       8.4 Verification of operation
            8.4.1 Arrangement of the fuse
       8.6 Verification of cut-off current characteristics
       8.7 Verification of I2t characteristics and
            overcurrent discrimination
       8.10 Verification of non-deterioration of contacts
            8.10.1 Arrangement of the fuse
            8.10.2 Test method
            8.10.3 Acceptability of test results
            8.11.2 Miscellaneous tests
    SECTION VI - gU FUSE-LINKS WITH WEDGE TIGHTENING CONTACTS
       1.1 Scope
       3.9 Discrimination of fuse-links
       5.2 Rated voltage
            5.3.1 Rated current of the fuse-link
       5.5 Rated power dissipation of a fuse link
            5.6.1 Time-current characteristics, time-current
                   zones
            5.6.2 Conventional times and currents
            5.6.3 Gates
            5.7.2 Rated breaking capacity
       5.8 Cut off current and I[2]t characteristics
       7.1 Mechanical design
       7.5 Breaking capacity
       7.7 I[2]t characteristics
       7.8 0vercurrent discrimination off fuse-links
            8.1.1 Kind of tests
            8.3.1 Arrangement of the fuse
            8.3.3 Measurement of the power dissipation of the
                   fuse link
            8.4.1 Arrangement of the fuse
            8.5.1 Arrangement of the fuse
            8.5.2 Characteristics of the test circuit
            8.5.5 Test method
            8.5.8 Acceptability of test results
            8.7.3 Verification of compliance for fuse-link at
                   0,01 s
                   8.11.2.2 Verification of resistance to abnormal
                            heat and fire
    Annex ZA (normative) Normative references to international
             publications with their corresponding European
             publications
    Bibliography

    Abstract - (Show below) - (Hide below)

    This standard is divided into six sections, each dealing with a specific example of standardized fuse for use by authorized persons: Section I: Fuses with fuse-links with blade contacts. Section II: Fuses with fuse-links for bolted connections. Section III: Fuses with fuse-links having cylindrical contact caps. Section IV: Fuses with fuse-links with offset blade contacts. Section V: Fuses with fuse-links having gD and gN characteristics. Section VI: gV fuse-links with wedge tightening contacts. NOTE - The following fuse systems are standardized systems in respect to their safety aspects.

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

    Committee CLC/SR 32B
    Development Note Supersedes HD 630.2.1. (05/2005)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Withdrawn
    Superseded By
    Supersedes

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

    BS EN 61558-1 : 2005 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    EN 61558-1:2005/A1:2009 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    NF EN 61558-1 : 2006 AMD 1 2009 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    I.S. EN 61558-1:2006 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS

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

    IEC 60112:2003+AMD1:2009 CSV Method for the determination of the proof and the comparative tracking indices of solid insulating materials
    IEC 60060-2:2010 High-voltage test techniques - Part 2: Measuring systems
    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 60269-1:2006+AMD1:2009+AMD2:2014 CSV Low-voltage fuses - Part 1: General requirements
    HD 588.1 : S1 AMD 1 HIGH VOLTAGE TEST TECHNIQUES - GENERAL DEFINITIONS AND TEST REQUIREMENTS
    EN 60112 : 2003 AMD 1 2009 METHOD FOR THE DETERMINATION OF THE PROOF AND THE COMPARATIVE TRACKING INDICES OF SOLID INSULATING MATERIALS
    EN ISO 6988:1994 Metallic and other non-organic coatings - Sulfur dioxide test with general condensation of moisture (ISO 6988:1985)
    ISO 1207:2011 Slotted cheese head screws Product grade A
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    EN 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    IEC 60060-3:1976 High-voltage test techniques - Part 3: Measuring devices
    EN 60269-2:1995/A2:2002 LOW-VOLTAGE FUSES - SUPPLEMENTARY REQUIREMENTS FOR FUSES FOR USE BY AUTHORIZED PERSONS (FUSES MAINLY FOR INDUSTRIAL APPLICATION)
    IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
    IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    ISO 6988:1985 Metallic and other non organic coatings Sulfur dioxide test with general condensation of moisture
    ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread
    EN 60269-1:2007/A2:2014 LOW-VOLTAGE FUSES - PART 1: GENERAL REQUIREMENTS (IEC 60269-1:2006/A2:2014)
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