Already a subscriber? 
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
BS EN IEC 60127-6:2024 Miniature fuses - Fuse-holders for miniature fuse-links, 2024
- undefined
- Annex ZA (normative)Normative references to international publicationswith their corresponding European publications [Go to Page]
- English [Go to Page]
- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General requirements
- Tables [Go to Page]
- Table 1 – Features of unexposed or exposed fuse-holders
- 5 Preferred ratings and classifications for fuse-holders
- 6 Marking [Go to Page]
- Table 2 – Values for preferred ratings and classifications
- 7 General notes on tests [Go to Page]
- 7.1 Nature of tests
- 7.2 Standard atmospheric conditions for measurement and tests
- 7.3 Preconditioning of test samples
- 7.4 Nature of supply
- 7.5 Gauges for tests [Go to Page]
- 7.5.1 Gauges according to IEC 60127-2
- Figures [Go to Page]
- Figure 1 – Outline of gauges and dummy fuse-links according to IEC 60127-2
- Table 3 – Dimensions and materials for gauges according to IEC 60127-2 [Go to Page]
- 7.5.2 Gauges according to IEC 60127-3
- Figure 2 – Outline of gauges and dummy fuse-links according to IEC 60127-3:2015, standard sheet 1
- Figure 3 – Outline of gauges and dummy fuse-links according to IEC 60127-3:2015, standard sheets 3 and 4
- 8 Protection against electric shock [Go to Page]
- 8.1 Category PC1: Fuse-holders without integral protection against electric shock
- 8.2 Category PC2: Fuse-holders with integral protection against electric shock
- 8.3 Category PC3: Fuse-holders with enhanced integral protection against electric shock
- Table 4 – Dimensions and materials for gauges according to IEC 60127-3
- 9 Clearances and creepage distances [Go to Page]
- 9.1 General
- 9.2 Minimum requirements for fuse-holders in respect to the grade of insulation
- 9.3 Clearances
- Table 5 – Types of insulation between different live parts and accessible parts
- Table 6 – Required impulse withstand voltage for clearances
- Table 7 – Minimum clearances in air under overvoltage category II II
- 9.4 Creepage distances
- Table 8 – Minimum clearances in air under overvoltage category II
- Table 9 – Minimum creepage distances in millimetres for a microenvironment-dependent on rated voltage, pollution degree, insulating material, corresponding to IEC 60664-1:2020, Table F.5
- 10 Electrical requirements [Go to Page]
- 10.1 Insulation resistance, dielectric strength and impulse withstand voltage [Go to Page]
- 10.1.1 Mounting
- 10.1.2 Humidity preconditioning
- Figure 4 – Panel mounting
- Figure 5 – PC board mounting [Go to Page]
- 10.1.3 Measurement of insulation resistance
- 10.1.4 Dielectric strength test
- 10.1.5 Impulse withstand voltage test
- 10.2 Contact resistance [Go to Page]
- 10.2.1 General measuring requirements
- 10.2.2 Measuring cycle
- Table 10 – Values for insulation resistance, dielectric strength and impulse withstand voltage
- 11 Mechanical requirements [Go to Page]
- 11.1 General
- 11.2 Mounting
- 11.3 Compatibility between fuse-holder and fuse-link
- Figure 6 – Test device for mechanical test
- 11.4 Mechanical strength of the connection between fuse-base and fuse-carrier [Go to Page]
- 11.4.1 Screw and bayonet connections
- 11.4.2 Plug-in connection
- Table 11 – Values for torque and axial pull
- 11.5 Impact test
- 11.6 Mechanical strength of the fuse-holder fastening on panels [Go to Page]
- 11.6.1 Fixing nut fastening
- 11.6.2 Fixing screw fastening
- Table 12 – Torque values [Go to Page]
- 11.6.3 Snap-in fastening
- Figure 7 – Examples of snap-in fastening Fuse-holder on panels
- Table 13 – Torque values
- 11.7 Terminals of fuse-bases [Go to Page]
- 11.7.1 Terminals with screw-type clamping or screwless-type clamping
- 11.7.2 Terminals for soldering
- Table 14 – Mounting groups
- Table 15 – Cross-sections of conductors
- 11.8 Resistance to vibration [Go to Page]
- 11.8.1 General
- 11.8.2 Mounting
- Figure 8 – Tensile force test
- Figure 9 – Compressive force test
- Table 16 – Tensile and compressive forces [Go to Page]
- 11.8.3 Measurement and requirements
- 12 Thermal requirements [Go to Page]
- 12.1 Rated power acceptance test [Go to Page]
- 12.1.1 General
- 12.1.2 Mounting
- 12.1.3 Dummy fuse-links
- Figure 10 – Example of test device
- Table 17 – Dimensions and materials for dummy fuse-link according to IEC 60127-2
- Table 18 – Dummy fuse-links according to IEC 60127-2
- Table 19 – Dimensions and materials for dummy fuse-links according to IEC 60127-3
- Figure 11 – IEC 60127-3:2015, Standard sheet 1
- Figure 12 – IEC 60127-3:2015, Standard sheets 3 and 4 [Go to Page]
- 12.1.4 Measurement of maximum allowable temperatures on fuse-holders
- Table 20 – Dummy fuse-links according to IEC 60127-3
- Figure 13 – Illustration of temperatures experienced in practice [Go to Page]
- 12.1.5 Correlation between ambient air temperature TA1 and the power acceptance of a fuse-holder
- Table 21 – Maximum allowable temperatures [Go to Page]
- 12.1.6 Temperature measuring point for ambient air temperature TA1
- 12.1.7 Test method
- 12.2 Resistance to abnormal heat and fire [Go to Page]
- 12.2.1 Needle-flame test
- Figure 14 – Example of a derating curve [Go to Page]
- 12.2.2 Glow-wire ignition test
- 13 Endurance [Go to Page]
- 13.1 General
- 13.2 Endurance test
- 13.3 Requirements
- 14 Additional requirements [Go to Page]
- 14.1 Resistance to rusting
- 14.2 Resistance to cleaning solvents
- Annexes [Go to Page]
- Annex A (normative) Test PC board for fuse-holders of rated currents up to 25 A
- Figure A.1 – Example of a test board
- Table A.1 – Copper layer for test board
- Annex B (normative) Type tests, test sequences and number of samples
- Table B.1 – Type tests, test sequences and number of samples
- Annex C (informative) Insulation coordination [Go to Page]
- C.1 Overvoltage categories
- C.2 Degrees of pollution in the micro-environment
- C.3 Comparative tracking index CTI
- Annex D (informative)Additional tests and requirements [Go to Page]
- D.1 General
- D.2 Resistance to shock [Go to Page]
- D.2.1 General
- D.2.2 Mounting
- D.2.3 Measurement and requirements
- D.3 Verification of the degree of protection of enclosures
- D.4 Climatic category [Go to Page]
- D.4.1 General
- D.4.2 Test conditions and requirements
- Table D.1 – Examples of climatic categories
- Annex E (normative) Information for the correct application of the fuse-holder
- Table E.1 – Information for the correct application of the fuse-holder
- Bibliography [Go to Page]
