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IEC 60127-4 Ed. 4.0 en:2026

Miniature fuses - Part 4: Universal modular fuse-links (UMF) - Through-hole and surface mount types
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IEC 60127-4 Ed. 4.0 en:2026

Miniature fuses - Part 4: Universal modular fuse-links (UMF) - Through-hole and surface mount types

IEC 60127-4 Ed. 4.0 en:2026
IEC 60127-4:2026 relates to universal modular fuse-links (UMF) for printed circuits and other substrate systems, used for the protection of electric appliances, electronic equipment, and component parts thereof, normally intended to be used indoors. It does not apply to fuse-links for appliances intended to be used under special conditions, such as in a corrosive or explosive atmosphere. These fuses are normally intended to be mounted or replaced only by appropriately skilled persons using specialized equipment. This document applies in addition to the requirements of IEC 60127-1. The objectives of this part of IEC 60127 are as given in IEC 60127-1, with the additional requirement of a degree of non-interchangeability. This fourth edition cancels and replaces the third edition published in 2005, Amendment 1:2008 and Amendment 2:2012. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) align to IEC 60127-1:2023, third edition;
b) enhance the rated current of UMFs to 100A and provide the corresponding maximum voltage drop and maximum sustained dissipation;
c) modify the figures;
d) update the normative references to the latest version.
This International Standard is to be used in conjunction with IEC 60127-1:2023
SDO IEC: International Electrotechnical Commission
Document Number IEC 60127
Publication Date Not Available
Language en - English
Page Count
Revision Level 4.0
Supercedes
Committee 32C
Publish Date Document Id Type View
Not Available IEC 60127-4 Ed. 4.0 en:2026 Revision
Not Available IEC 60127-4 Ed. 4.0 b:2026 Revision
Dec. 7, 2012 Revision
Dec. 7, 2012 IEC 60127-4 Ed. 3.2 b:2012 Revision
Jan. 1, 2005 Revision
Jan. 1, 2005 IEC 60127-4 Ed. 3.0 b:2005 Revision