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  • IEC 60269-2-1:2004

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  30-11-2006

    Language(s):  English - French, English, French, Spanish, Castilian

    Published date:  21-06-2004

    Publisher:  International Electrotechnical Committee

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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
    Figures
    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
    Figures
    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
    Figures
    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
    Figures
    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
    Figures
    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
    Figures
    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
    Figures
    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
    Figures
    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
    Figures

    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 TC 32/SC 32B
    Development Note To be read in conjunction with IEC 60269-1 and IEC 60269-2. (06/2004)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By
    Supersedes

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    04/30097421 DC : DRAFT APR 2004 IEC 60950-1 ED.2 - INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
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    I.S. EN 60694:1999 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    BS EN 61558-1 : 2005 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    PD IEC/TR 62368-2:2015 Audio/video, information and communication technology equipment Explanatory information related to IEC 62368-1
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    IEC 60694:1996+AMD1:2000+AMD2:2001 CSV Common specifications for high-voltage switchgear and controlgear standards
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    EN 61558-1:2005/A1:2009 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    EN 60950-1:2006/A2:2013 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS (IEC 60950-1:2005/A2:2013, MODIFIED)
    04/30111859 DC : 0 IEC 62271-1 - HIGH-VOLTAGE SWITCHGEAR AND CONTROL GEAR - PART 1: COMMON SPECIFICATIONS
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    CSA C22.2 No. 60950-1 :2007 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
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    CSA C22.2 No. 60950-1 : 2007 : R2012 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 60950-1 : 2007 : INC : UPD 1 : 2011 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 60950-1 : 2007 : INC : AMD 2 : 2014 : R2016 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    BS EN 60694:1997 Common specifications for high-voltage switchgear and controlgear standards
    NF EN 60269-3 : 96 AMD 1 2004 LOW-VOLTAGE FUSES - PART 3: SUPPLEMENTARY REQUIREMENTS FOR FUSES FOR USE BY UNSKILLED PERSONS (FUSES MAINLY FOR HOUSEHOLD AND SIMILAR APPLICATIONS)
    DIN VDE 0660-102 : 1992 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-1: ELECTROMECHANICAL CONTACTORS AND MOTOR-STARTERS
    IEC TR 61818:2003 Application guide for low-voltage fuses
    I.S. EN 60947-7-2:2009 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 7-2: ANCILLARY EQUIPMENT - PROTECTIVE CONDUCTOR TERMINAL BLOCKS FOR COPPER CONDUCTORS
    IEC 60950-1:2005+AMD1:2009+AMD2:2013 CSV Information technology equipment - Safety - Part 1: General requirements
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    IEC TR 62368-2:2015 Audio/video, information and communication technology equipment - Part 2: Explanatory information related to IEC 62368-1
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    CEI 32-15 : 2000 LOW-VOLTAGE FUSES COORDINATION BETWEEN FUSES AND CONTACTORS/MOTOR-STARTERS APPLICATION GUIDE
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    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
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