EN IEC 60127-6:2024/A1:2026
(Amendment)Miniature fuses - Part 6: Fuse-holders for miniature fuse-links
- Status
- Not Published
- Publication Date
- 12-Nov-2026
- Technical Committee
- CLC/SR 32C - Miniature fuses
- Current Stage
- 6055 - Ratification Completed (DOR) - Publishing
- Start Date
- 02-Nov-2026
- Completion Date
- 02-Nov-2026
EN IEC 60127-6:2024/A1:2026 is a CLC amendment to the IEC part on fuse-holders for miniature fuse-links. It updates the fitting conditions used for screw-type clamping fuse-holders, including the solid lead diameter and tightening torque used in the relevant checks, so manufacturers, test laboratories, and conformity assessors apply the same setup.
What does EN IEC 60127-6:2024/A1:2026 specify?
EN IEC 60127-6:2024/A1:2026 specifies changes to the base standard for miniature fuse-holder testing and fitting conditions. The amendment targets two places in the document - clause 10.2.1 and clause 12.1.2 - and adds the same practical instruction in both.
The document is organized as amendment material to the existing Part 6. Its technical content is concentrated in the inserted paragraphs, while the foreword records the committee origin and voting context.
What are the key requirements of EN IEC 60127-6:2024/A1:2026?
The main technical point in EN IEC 60127-6:2024/A1:2026 is how fuse-holders with screw-type clamping terminals are to be set up. The amendment tells the user to fit these fuse-holders with the requested solid lead diameter and to do so in the normal way with a reduced tightening torque.
Screw-type clamping terminals
For fuse-holders with screw-type clamping terminals, EN IEC 60127-6:2024/A1:2026 requires the requested solid lead diameter to be used during fitting. In practice, this means the specimen is not mounted with an arbitrary conductor size - the lead size called for by the standard has to be used so the test reflects the intended contact condition.
Tightening torque
EN IEC 60127-6:2024/A1:2026 sets the tightening torque for those terminals at two-thirds of the value in Table 13 of the base document. In practice, test personnel need to use the lower specified torque rather than the full table value when clamping the fuse-holder, so the test setup is consistent with the amended requirement.
Where the instruction applies
The same instruction is inserted into clause 10.2.1 and clause 12.1.2. That matters because it aligns the fitting method across both clauses, so the same lead-and-torque setup is used wherever these fuse-holders are checked under the amended part.
What terms does EN IEC 60127-6:2024/A1:2026 define?
- Fuse-holders - the parts that hold miniature fuse-links in place and provide the electrical connection in the circuit.
- Miniature fuse-links - the fuse elements used in the miniature fuse system covered by this part.
- Screw-type clamping - a terminal arrangement where a screw applies clamping force to secure the conductor or lead.
- Solid lead diameter - the diameter of the solid conductor used for the specified fitting condition.
- Torque - the tightening force applied to the screw terminal, used here to control the clamping condition.
- IEC - International Electrotechnical Commission, the body named in the amendment foreword as the preparing organization.
Who uses EN IEC 60127-6:2024/A1:2026?
EN IEC 60127-6:2024/A1:2026 is used by manufacturers of fuse-holders, test laboratories, and engineers responsible for product verification. It is also relevant to quality managers and conformity assessment teams who need a clear and repeatable test setup for miniature fuse-holder terminals.
The amendment is especially relevant in electrotechnical work involving overcurrent protection devices. People applying the standard need to know which lead size and which torque to use when they prepare or inspect screw-clamping fuse-holder samples.
What changed in EN IEC 60127-6:2024/A1:2026 from the previous edition?
EN IEC 60127-6:2024/A1:2026 is Amendment 1 to EN IEC 60127-6:2024. It adds matching text to clauses 10.2.1 and 12.1.2 requiring fuse-holders with screw-type clamping terminals to be fitted with the requested solid lead diameter and tightened to two-thirds of the Table 13 torque.
Which standards are used with EN IEC 60127-6:2024/A1:2026?
- EN IEC 60127-6:2024 - the base part that this amendment modifies; its clauses 10.2.1 and 12.1.2 are updated here, and Table 13 provides the torque value referenced by the amendment.
What does the EN IEC 60127-6:2024/A1:2026 document contain?
EN IEC 60127-6:2024/A1:2026 contains the amendment foreword and the inserted text for clause 10.2.1 and clause 12.1.2. The technical content is short and focused: it changes the fitting conditions for fuse-holders with screw-type clamping terminals.
The amendment text is used when setting up samples for testing or verification. It tells the user which solid lead diameter to fit and how much torque to apply relative to Table 13 of the base standard.
The foreword also records that the amendment was prepared by IEC subcommittee 32C: Miniature fuses, and it gives the voting context for the change.
Relations
- Effective Date
- 03-Jun-2025
Get Certified
Connect with accredited certification bodies for this standard
IMQ S.p.A. (Certification)
Italian electrical product certification.
SLG Prüf- und Zertifizierungs GmbH
German testing and certification body.
UL Solutions
Global safety science company with testing, inspection and certification.
Sponsored listings
Frequently Asked Questions
EN IEC 60127-6:2024/A1:2026 is a draft published by CLC. Its full title is "Miniature fuses - Part 6: Fuse-holders for miniature fuse-links". This standard covers: Miniature fuses - Part 6: Fuse-holders for miniature fuse-links
Miniature fuses - Part 6: Fuse-holders for miniature fuse-links
EN IEC 60127-6:2024/A1:2026 is classified under the following ICS (International Classification for Standards) categories: 29.120.50 - Fuses and other overcurrent protection devices. The ICS classification helps identify the subject area and facilitates finding related standards.
EN IEC 60127-6:2024/A1:2026 has the following relationships with other standards: It is inter standard links to EN IEC 60127-6:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN IEC 60127-6:2024/A1:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN IEC 60127-6:2025/oprA1:2026
01-februar-2026
Miniaturne varovalke - 6. del: Ohišja varovalk za miniaturne taljive vložke -
Dopolnilo 1
Miniature fuses - Part 6: Fuse-holders for miniature fuse-links
Geräteschutzsicherungen - Teil 6: G-Sicherungshalter für G-Sicherungseinsätze
Coupe-circuit miniatures - Partie 6: Ensembles-porteurs pour cartouches de coupe-
circuits miniatures
Ta slovenski standard je istoveten z: EN IEC 60127-6:2024/prA1:2025
ICS:
29.120.50 Varovalke in druga Fuses and other overcurrent
nadtokovna zaščita protection devices
SIST EN IEC 60127-6:2025/oprA1:2026 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
SIST EN IEC 60127-6:2025/oprA1:2026
SIST EN IEC 60127-6:2025/oprA1:2026
32C/672/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60127-6/AMD1 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-11-21 2026-02-13
SUPERSEDES DOCUMENTS:
32C/668/CD, 32C/671/CC
IEC SC 32C : MINIATURE FUSES
SECRETARIAT: SECRETARY:
China Mr Jun Cai
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
ASPECTS CONCERNED:
Safety
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some
Countries” clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is
the final stage for submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).
TITLE:
Amendment 1 - Miniature fuse
...