Cart (0)
- No items in cart.
Total
$0
There is a technical issue about last added item. You can click "Report to us" button to let us know and we resolve the issue and return back to you or you can continue without last item via click to continue button.
Not a subscriber? Register for a trial account.
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.
| Email * | |
| Password * | |
| Confirm * | |
| First Name * | |
| Last Name * | |
| Title | |
| Company Name * | |
| Company Size * | |
| Industry * | |
| Address * | |
| Address 2 | |
| City * | |
| State * |
Zip *
|
| Country * | |
| Phone * | |
| How did you hear about MADCAD.com? * |
|
Reset password
Enter your personal account email address to request
a password reset:
a password reset:
Reset password
Enter your account email address to request
a password reset:
a password reset:
Security check
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
Report To Us
Contact us for a custom quote
⨯To continue with accurate pricing,
please select your company type below:
⨯We need your input!
Are you a code official in a jurisdiction with less than 300,000 population?
⨯ We need your input!
⨯We need your input!
Are you an existing Madcad user?
If so, please login to continue with the free items in your cart.
⨯We need your input!
This bundle includes subscribed items.
Download File
eLibrary >
BS EN IEC 60269-3:2025 - TC Tracked Changes. Low- voltage fuses - Supplementary requirements for fuses for operation by unskilled persons (fuses mainly for household or similar applications). Examples of standardized systems of fuses A to F >
Expand All
TOC Search:
BS EN IEC 60269-3:2025 - TC Tracked Changes. Low- voltage fuses - Supplementary requirements for fuses for operation by unskilled persons (fuses mainly for household or similar applications). Examples of standardized systems of fuses A to F, 2025
- A-30445139.pdf [Go to Page]
- undefined
- European foreword
- Endorsement notice
- Annex ZA (normative) Normative references to international publications with their corresponding European publications [Go to Page]
- English [Go to Page]
- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 General Scope
- 2 Normative references
- 3 Terms and definitions
- Fuse system A: D type fuse system [Go to Page]
- 1 General [Go to Page]
- 1.1 Scope
- 2 Terms and definitions
- 3 Conditions for operation in service
- 4 Classification
- 5 Characteristics of fuses [Go to Page]
- 5.2 Rated voltage [Go to Page]
- 5.3.1 Rated current of the fuse-link
- 5.3.2 Rated current of the fuse-holder
- 5.3.3 Rated current of the gauge-piece
- 5.5 Rated power dissipation of a fuse-link and rated acceptable power dissipation of a fuse-holder
- 5.6 Limits of time-current characteristics [Go to Page]
- 5.6.1 Time-current characteristics, time-current zones and overload curves
- Tables [Go to Page]
- Table 101 – Maximum values of power dissipation [Go to Page]
- [Go to Page]
- 5.6.2 Conventional times and currents
- 5.6.3 Gates
- 5.7 Breaking range and breaking capacity [Go to Page]
- 5.7.2 Rated breaking capacity
- 6 Markings [Go to Page]
- 6.1 General
- Table 102 – Conventional time and current for "gG" fuse-links
- Table 103 – Gates for specified pre-arcing times of "gG" fuse-links with rated currents 2 A, 4 A, 6 A, 10 A, 13 A and 35 A [Go to Page]
- 6.2 Marking of fuse-bases
- 6.3 Marking of the gauge-pieces
- 7 Standard conditions for construction [Go to Page]
- 7.1 Mechanical design [Go to Page]
- 7.1.2 Connections including terminals
- 7.1.3 Fuse-contacts
- 7.1.4 Construction of a gauge-piece
- 7.1.6 Construction of a fuse-carrier
- Table 104 – Cross-sections of rigid (solid or stranded) or flexible copper conductors [Go to Page]
- [Go to Page]
- 7.1.7 Construction of a fuse-link
- 7.1.8 Non-interchangeability
- 7.1.9 Construction of a fuse-base
- 7.2 Insulating properties and suitability for isolation
- 7.3 Temperature rise, power dissipation of the fuse-link and acceptable power dissipation of the fuse-holder
- Table 105 – Creepage distances, clearances and distances through sealing compound [Go to Page]
- 7.7 I2t characteristics [Go to Page]
- 7.7.1 Pre-arcing I2t values
- 7.7.2 Operating I2t values
- 7.8 Overcurrent discrimination of "gG" fuse-links
- Table 106 – Temperature-rise limits for terminals
- Table 107 – Pre-arcing I2t values at 0,01 s for "gG" fuse-links
- Table 108 – I2t values for the discrimination with circuit breakers [Go to Page]
- 7.9 Protection against electric shock
- 8 Tests [Go to Page]
- 8.1.4 Arrangement of the fuse and dimensions
- 8.2 Verification of the insulating properties and of the suitability for isolation [Go to Page]
- 8.2.1 Arrangement of the fuse-holder
- Table 109 – Survey of tests on fuse-links
- Table 110 – Survey of tests on fuse-bases, fuse-carriers and gauge-pieces [Go to Page]
- 8.2.6 Creepage distances, clearances and distances through sealing compound
- 8.3 Verification of temperature rise and power dissipation [Go to Page]
- 8.3.1 Arrangement of the fuse
- 8.3.3 Measurement of the power dissipation of the fuse-link
- 8.3.5 Acceptability of test results
- Table 111 – Test torque for verification of temperature rise and power dissipation [Go to Page]
- 8.5.1 Arrangement of the fuse
- 8.5.2 Characteristics of the test circuit
- Table 112 – Test according to 8.5.5.1 [Go to Page]
- 8.5.5 Test method
- 8.5.8 Acceptability of test results
- 8.7.4 Verification of overcurrent discrimination
- Table 113 – Test currents and I2t limits for the discrimination test
- 8.9 Verification of resistance to heat [Go to Page]
- 8.9.1 Fuse-base
- Table 114 – Power dissipation of a dummy fuse-link at rated and conventional fusing currents including tolerances
- 8.10 Verification of non-deterioration of contacts [Go to Page]
- 8.10.1 Arrangement of the fuse
- 8.10.2 Test method
- 8.9.2 Fuse-carrier
- 8.10.3 Acceptability of test results
- 8.11 Mechanical and miscellaneous tests [Go to Page]
- 8.11.1 Mechanical strength
- Table 115 – Test-torque for mechanical strength
- Table 116 – Mechanical strength of screw-thread
- Figures [Go to Page]
- Figure 101 – Time-current zones for "gG" fuse-links
- Figure 102 – Time-current zones for "gG" fuse-links
- Figure 103 – Time-current zone for "gG" fuse-links 13 A and 32 A
- Figure 104 – Dummy fuse-links according to 8.3 and 8.9.1.1
- Figure 105 – Test rigs for fuse-links
- Figure 106 – Test rigs for fuse-links
- Figure 107 – Test arrangement for fuse-bases according to 8.9.1.2
- Figure 108 – Example of a torque wrench according to 8.9.2
- Figure 109 – Measuring points according to 8.3.3, 8.3.4.1 and 8.10.2 of fuse system A
- Figure 110 – Fuse-link, D-type. Sizes D01-D03
- Figure 111 – Fuse-link, D-type. Sizes DII-DIV
- Figure 112 – Fuse-carrier, D-type. Sizes D01-D03
- Figure 113 – Fuse-carrier, D-type. Sizes DII-DIII
- Figure 114 – Fuse-carrier, D-type. Size DIV
- Figure 115 – Edison thread for D-type fuses; limit dimensions
- Figure 116 – Gauges for Edison thread for D-type fusesfor screwed shells of fuse-carrier go ring gauges
- Figure 117 – Gauges for Edison thread, D-type fuses, go and not-go plug gauges for screwed shells of fuse-bases
- Figure 118 – Fuse-base, D-type. Sizes D01-D03
- Figure 119 – Fuse-base, D-type. Sizes DII-DIV
- Figure 120 – Fuse-base, D-type for push-in gauge pieces. Size DII-DIII
- Figure 121 – Gauge-piece and hand-key, D-type. Sizes D01-D03
- Figure 122 – Gauge-piece and hand-key, D-type. Sizes DII-DIV
- Figure 123 – Gauge-piece and hand-key, D-type push-in gauge rings. Size DII-DIII
- Figure 124 – Whitworth thread W 3/16 for screw-in gauge rings and corresponding fuse-bases of sizes DII and DIII
- Figure 125 – Gauges C 17 for concentricity of fuse-bases
- Figure 126 – Test dummies DII, DIII, D01, D02 and D03 for fuse-carrier test
- Figure 127 – Time-current zone for "gG" fuse-links 40 A
- Annex AA (informative) Special test for cable overload protection (for fuse system A) [Go to Page]
- AA.1 Arrangement of the fuse
- AA.2 Test method and acceptability of test results
- Fuse system B – Cylindrical fuses (NF cylindrical fuse system) [Go to Page]
- 1 General [Go to Page]
- 1.1 Scope
- 2 Terms and definitions
- 3 Conditions for operation in service
- 4 Classification
- 5 Characteristics of fuses [Go to Page]
- 5.2 Rated voltage [Go to Page]
- 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 acceptable power dissipation of a fuse-holder
- 5.6.2 Conventional times and currents
- Table 201 – Maximum values of rated power dissipation and values of rated acceptable power dissipation [Go to Page]
- 5.6.3 Gates
- 5.7.2 Rated breaking capacity
- 6 Markings
- 7 Standard conditions for construction
- Table 202 – Conventional times and currents for "gG" fuse-links
- Table 203 – Gates for specified pre-arcing times of "gG" fuse-links with rated currents lower than 16 A
- Table 204 – Minimum rated breaking capacities [Go to Page]
- 7.1 Mechanical design [Go to Page]
- 7.1.2 Connections including terminals
- 7.1.6 Construction of a fuse-carrier
- 7.1.7 Construction of a fuse-link
- Table 205 – Nominal section of copper conductors that the terminals shall accept [Go to Page]
- [Go to Page]
- 7.1.8 Non-interchangeability
- 7.1.9 Construction of a fuse-base
- 7.2 Insulating properties and suitability for isolation
- 7.3 Temperature rise, power dissipation of the fuse-link and acceptable power dissipation of the fuse-holder
- 7.7 I2t characteristics [Go to Page]
- 7.7.1 Pre-arcing I2t values
- Table 206 – Creepage distances and clearances
- Table 207 – Temperature rise limits for terminals
- Table 208 – Pre-arcing I2t values at 0,01 s for "gG" fuse-links [Go to Page]
- [Go to Page]
- 7.7.2 Operating I2t values
- 7.8 Overcurrent discrimination of "gG" fuse-links
- 7.9 Protection against electric shock
- 8 Tests [Go to Page]
- 8.1.6 Testing of fuse-holders
- Table 209 – Survey of tests on fuse-link [Go to Page]
- 8.3.1 Arrangement of the fuse
- 8.3.3 Measurement of the power dissipation of the fuse-link
- Table 210 – Survey of tests on fuse-holder and number of fuse-holders to be tested
- Table 211 – Screw-thread diameters and applied torques [Go to Page]
- 8.4 Verification of operation [Go to Page]
- 8.4.1 Arrangement of the fuse
- 8.5 Verification of the breaking capacity [Go to Page]
- 8.5.1 Arrangement of the fuse
- Table 212 – Values concerning the choice and the adjustment of the test base [Go to Page]
- [Go to Page]
- 8.5.5 Test method
- 8.5.8 Acceptability of test results
- 8.7.4 Verification of overcurrent discrimination
- 8.8 Verification of the degree of protection of enclosures [Go to Page]
- 8.8.1 Verification of protection against electric shock
- Table 213 – Values for adjustment of the test base [Go to Page]
- 8.9 Verification of resistance to heat
- 8.10 Verification of non-deterioration of contacts [Go to Page]
- 8.10.1 Arrangement of the fuse
- 8.10.2 Test method
- 8.10.3 Acceptability of test results
- Table 214 – Hammer and height of fall for test for verification of resistance to shocks
- Table 215 – Torque to be applied to the fuse-carrier [Go to Page]
- 8.12 Verification of the reliability of terminals
- Table 216 – Mechanical strength of screw-thread
- Figure 201 – Fuse-link
- Figure 202 – Dummy fuse-link
- Figure 203 – Test-rig and ferrules for the measurement of the voltage drop and the verification of operating characteristics of the cartridge
- Figure 204 – Fuse-base, A-type and B-type
- Figure 205 – Housing for verification of operation of the fuse-links with a test rig according to Figure 203
- Figure 206 – Test rig and ferrules for verification of breaking capacity
- Figure 207 – Gauge for verification of the upholding of the cartridge in the fuse-carrier during withdrawal
- Fuse system C – Cylindrical fuses (BS cylindrical fuse system) [Go to Page]
- 1 General [Go to Page]
- 1.1 Scope
- 2 Terms and definitions
- 3 Conditions for operation in service
- 4 Classification
- 5 Characteristics of fuses [Go to Page]
- 5.2 Rated Voltage
- 5.3 Rated current [Go to Page]
- 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 acceptable power dissipation of a fuse-holder
- 5.6 Limits of time-current characteristics [Go to Page]
- 5.6.1 Time-current characteristics, time-current curves and overload curves
- 5.6.2 Conventional times and currents
- Table 301 – Conventional time and current for "gG" fuse-links [Go to Page]
- 5.7 Breaking range and breaking capacity [Go to Page]
- 5.7.2 Rated breaking capacity
- 6 Markings
- 7 Standard conditions for construction [Go to Page]
- 7.1 Mechanical design [Go to Page]
- 7.1.2 Connections including terminals
- 7.1.6 Construction of a fuse-carrier
- 7.1.7 Construction of a fuse-link
- 7.1.8 Non-interchangeability
- 7.1.9 Construction of a fuse-base
- 7.2 Insulating properties and suitability for isolation
- 7.3 Temperature rise, power dissipation of the fuse-link and acceptable power dissipation of the fuse-holder
- 7.7 I2t characteristics
- 7.9 Protection against electric shock
- 8 Tests [Go to Page]
- 8.1 General [Go to Page]
- 8.1.4 Arrangement of the fuse
- 8.3 Verification of temperature rise and power dissipation [Go to Page]
- 8.3.1 Arrangement of the fuse
- 8.3.3 Measurement of the power dissipation of the fuse-link
- Table 302 – Temperature-rise limits for terminals [Go to Page]
- 8.4 Verification of operation [Go to Page]
- 8.4.1 Arrangement of fuse
- 8.5 Verification of breaking capacity [Go to Page]
- 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
- 8.10 Verification of non-deterioration of contacts [Go to Page]
- 8.10.1 Arrangement of the fuse
- 8.10.2 Test method
- 8.10.3 Acceptability of test results
- Table 303 – Mechanical strength of screw-thread
- Figure 301 – Details of cylindrical fuse-links
- Figure 302 – Typical outline dimensions of carriers and bases for 230 V cylindrical fuse-links
- Figure 303 – Typical carrier and base for 400 V cylindrical fuse-links
- Figure 304 – Time-current zones for "gG" fuse-link
- Figure 305 – Time-current zones for "gG" fuse-link
- Figure 306 – Standard test rig for power-dissipation test
- Figure 307 – Breaking-capacity test rig
- Fuse system F – Cylindrical fuse-links for use in plugs (BS plugtop system) [Go to Page]
- 1 General [Go to Page]
- 1.1 Scope
- 2 Terms and definitions
- 3 Conditions for operation in service
- 4 Classification
- 5 Characteristics of fuses [Go to Page]
- 5.2 Rated voltage [Go to Page]
- 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 acceptable power dissipation of a fuse-holder [Go to Page]
- 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
- 6 Markings
- Table 601 – Conventional times and conventional currents
- Table 602 – Gates for specified pre-arcing times of "gG" fuse-links for use in plugs
- 7 Standard conditions for construction [Go to Page]
- 7.1.7 Construction of a fuse-link
- 7.1.8 Non-interchangeability
- 7.2 Insulating properties and suitability for isolation
- 7.3 Temperature rise, power dissipation of the fuse-link and acceptable power dissipation of the fuse-holder
- 7.7 I2t characteristics [Go to Page]
- 7.7.1 Pre-arcing I2t values
- 7.9 Protection against electric shock
- Table 603 – Temperature-rise limits for terminals
- Table 604 – Pre-arcing I2t values at 0,01 s for "gG" fuse-links
- 8 Tests [Go to Page]
- 8.1.4 Arrangement of the fuse-link for tests
- 8.1.5 Testing of fuse-links
- 8.2.4 Acceptability of test results
- Table 605 – Survey of tests on fuse-links [Go to Page]
- 8.3 Verification of temperature rise and power dissipation [Go to Page]
- 8.3.1 Arrangement of the fuse
- 8.3.4 Test method
- 8.3.5 Acceptability of test results
- 8.4 Verification of operation [Go to Page]
- 8.4.1 Arrangement of the fuse
- 8.5 Breaking-capacity tests [Go to Page]
- 8.5.1 Arrangement of the fuse
- 8.5.2 Characteristics of the test circuit
- 8.5.4 Calibration of the test circuit
- 8.5.5 Test method
- 8.5.8 Acceptability of test results
- Table 606 – Values for breaking-capacity tests [Go to Page]
- 8.7 Verification of I2t characteristics and overcurrent discrimination [Go to Page]
- 8.7.3 Verification of compliance for fuse-links at 0,01 s
- 8.10 Verification of non-deterioration of contacts [Go to Page]
- 8.11.1 Mechanical strength
- Figure 601 – Dimensions for cylindrical fuse-links (primarily used in plugs)
- Figure 602 – Time-current zones for "gG" fuse-links
- Figure 603 – Test fuse-base
- Figure 604 – Typical diagram of the circuit used for breaking-capacity tests
- Annex BB (informative) (for all fuse systems) – Alternative tests for tests No. 1 and No. 2of Table 20 of IEC 60269-1:2024 [Go to Page]
- BB.1 Test method
- BB.2 Test No. 1
- BB.3 Test No. 2
- Table BB.1 – Approximate values of prospective currents for breaking capacity test No. 2
- Figure BB.1 – Instant of making for Test No. 1
- Annex CC (informative) Recommendations for future designs of fuses (for all fuse systems) [Go to Page]
- CC.1 Overview
- CC.2 Fuse contacts
- CC.3 Protection against electric shock
- Bibliography [Go to Page]
Copyright 2025 Compu-tecture, Inc.
All Rights Reserved.
About Us /
Careers /
support@madcad.com /
1.800.798.9296