EN IEC 63171:2025
(Main)Connectors for electrical and electronic equipment - Shielded or unshielded free and fixed connectors for balanced single-pair data transmission with current-carrying capacity - General requirements and tests
Connectors for electrical and electronic equipment - Shielded or unshielded free and fixed connectors for balanced single-pair data transmission with current-carrying capacity - General requirements and tests
IEC 63171:2025 is the general requirements and general tests part (general specification) of the whole IEC 63171 series, a set of International Standards covering shielded or unshielded free and fixed connectors for balanced single-pair data transmission with current carrying capacity. It provides the signal integrity requirements, common to the whole series.
Steckverbinder für elektrische und elektronische Geräte - Geschirmte oder ungeschirmte freie und feste Steckverbinder für symmetrische einpaarige Datenübertragung mit Stromtragfähigkeit - Allgemeine Anforderungen und Prüfungen
Connecteurs pour équipements électriques et électroniques - Fiches et embases écrantées ou non écrantées pour transmission de données sur une seule paire symétrique avec courant admissible - Exigences générales et essais
L'IEC 63171:2025 constitue la partie sur les exigences générales et les essais (spécification générale) de l’ensemble de la série IEC 63171, un ensemble de Normes internationales couvrant les fiches et embases écrantées ou non écrantées pour transmission de données sur une seule paire symétrique avec courant admissible.
Konektorji za električno in elektronsko opremo - Zaslonjeni ali nezaslonjeni prosti in pritrjeni konektorji za podatkovne prenose po eni simetrični parici s tokovno zmogljivostjo - Splošne zahteve in preskusi (IEC 63171:2025)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-julij-2025
Nadomešča:
SIST EN IEC 63171:2021
Konektorji za električno in elektronsko opremo - Zaslonjeni ali nezaslonjeni prosti
in pritrjeni konektorji za podatkovne prenose po eni simetrični parici s tokovno
zmogljivostjo - Splošne zahteve in preskusi (IEC 63171:2025)
Connectors for electrical and electronic equipment - Shielded or unshielded free and
fixed connectors for balanced single-pair data transmission with current-carrying capacity
- General requirements and tests (IEC 63171:2025)
Steckverbinder für elektrische und elektronische Geräte - Geschirmte oder ungeschirmte
freie und feste Steckverbinder für symmetrische einpaarige Datenübertragung mit
Stromtragfähigkeit - Allgemeine Anforderungen und Prüfungen (IEC 63171:2025)
Connecteurs pour équipements électriques et électroniques - Fiches et embases
écrantées ou non écrantées pour transmission de données sur une seule paire
symétrique avec courant admissible - Exigences générales et essais (IEC 63171:2025)
Ta slovenski standard je istoveten z: EN IEC 63171:2025
ICS:
31.220.10 Vtiči in vtičnice, konektorji Plug-and-socket devices.
Connectors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 63171
NORME EUROPÉENNE
EUROPÄISCHE NORM June 2025
ICS 31.220.10 Supersedes EN IEC 63171:2021
English Version
Connectors for electrical and electronic equipment - Shielded or
unshielded free and fixed connectors for balanced single-pair
data transmission with current-carrying capacity - General
requirements and tests
(IEC 63171:2025)
Connecteurs pour équipements électriques et électroniques Steckverbinder für elektrische und elektronische Geräte -
- Fiches et embases écrantées ou non écrantées pour Geschirmte oder ungeschirmte freie und feste
transmission de données sur une seule paire symétrique Steckverbinder für symmetrische einpaarige
avec courant admissible - Exigences générales et essais Datenübertragung mit Stromtragfähigkeit - Allgemeine
(IEC 63171:2025) Anforderungen und Prüfungen
(IEC 63171:2025)
This European Standard was approved by CENELEC on 2025-05-19. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 63171:2025 E
European foreword
The text of document 48B/3150/FDIS, future edition 2 of IEC 63171, prepared by SC 48B "Electrical
connectors" of IEC/TC 48 "Electrical connectors and mechanical structures for electrical and electronic
equipment" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2026-06-30
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2028-06-30
document have to be withdrawn
This document supersedes EN IEC 63171:2021 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 63171:2025 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 60068-2-61:1991 NOTE Approved as EN 60068-2-61:1993 (not modified)
IEC 60352 series NOTE Approved as EN IEC 60352 series
IEC 60603-7 series NOTE Approved as EN 60603-7 series
IEC 61076-2-101 NOTE Approved as EN IEC 61076-2-101
IEC 61076-2 series NOTE Approved as EN IEC 61076-2 series
IEC 61076-2-104 NOTE Approved as EN 61076-2-104
IEC 61076-3:2008 NOTE Approved as EN 61076-3:2008 (not modified)
IEC 63171-1 NOTE Approved as EN IEC 63171-1
IEC 63171-5 NOTE Approved as EN IEC 63171-5
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60050-581 - International Electrotechnical Vocabulary - - -
Part 581: Electromechanical components
for electronic equipment
IEC 60068-1 2013 Environmental testing - Part 1: General EN 60068-1 2014
and guidance
IEC 60068-2-38 - Environmental testing - Part 2-38: Tests - EN IEC 60068-2-38 -
Test Z/AD: Composite
temperature/humidity cyclic test
IEC 60512-1 - Connectors for electrical and electronic EN IEC 60512-1 -
equipment - Tests and measurements -
Part 1: Generic specification
IEC 60512-1-1 - Connectors for electronic equipment - EN 60512-1-1 -
Tests and measurements - Part 1-1:
General examination - Test 1a: Visual
examination
IEC 60512-1-2 - Connectors for electronic equipment - EN 60512-1-2 -
Tests and measurements - Part 1-2:
General examination - Test 1b:
Examination of dimension and mass
IEC 60512-2-1 - Connectors for electronic equipment - EN 60512-2-1 -
Tests and measurements - Part 2-1:
Electrical continuity and contact resistance
tests - Test 2a: Contact resistance -
Millivolt level method
IEC 60512-2-5 - Connectors for electronic equipment - EN 60512-2-5 -
Tests and measurements - Part 2-5:
Electrical continuity and contact resistance
tests - Test 2e: Contact disturbance
IEC 60512-3-1 - Connectors for electronic equipment - EN 60512-3-1 -
Tests and measurements - Part 3-1:
Insulation tests - Test 3a: Insulation
resistance
Publication Year Title EN/HD Year
IEC 60512-4-1 - Connectors for electronic equipment - EN 60512-4-1 -
Tests and measurements - Part 4-1:
Voltage stress tests - Test 4a: Voltage
proof
IEC 60512-5-2 - Connectors for electronic equipment - EN 60512-5-2 -
Tests and measurements - Part 5-2:
Current-carrying capacity tests - Test 5b:
Current-temperature derating
IEC 60512-6-3 - Connectors for electronic equipment - EN 60512-6-3 -
Tests and measurements - Part 6-3:
Dynamic stress tests - Test 6c: Shock
IEC 60512-6-4 - Connectors for electronic equipment - EN 60512-6-4 -
Tests and measurements - Part 6-4:
Dynamic stress tests - Test 6d: Vibration
(sinusoidal)
IEC 60512-9-1 - Connectors for electronic equipment - EN 60512-9-1 -
Tests and measurements - Part 9-1:
Endurance tests - Test 9a: Mechanical
operation
IEC 60512-9-2 - Connectors for electronic equipment - EN 60512-9-2 -
Tests and measurements - Part 9-2:
Endurance tests - Test 9b: Electrical load
and temperature
IEC 60512-11-1 - Connectors for electrical and electronic EN IEC 60512-11-1 -
equipment - Tests and measurements -
Part 11-1: Climatic tests - Test 11a -
Climatic sequence
IEC 60512-11-3 - Connectors for electronic equipment - EN 60512-11-3 -
Tests and measurements - Part 11-3:
Climatic tests - Test 11c: Damp heat,
steady state
IEC 60512-11-4 - Connectors for electronic equipment - EN 60512-11-4 -
Tests and measurements - Part 11-4:
Climatic tests - Test 11d: Rapid change of
temperature
IEC 60512-11-7 - Connectors for electronic equipment - EN 60512-11-7 -
Tests and measurements - Part 11-7:
Climatic tests - Test 11g: Flowing mixed
gas corrosion test
IEC 60512-11-9 - Connectors for electronic equipment - EN 60512-11-9 -
Tests and measurements - Part 11-9:
Climatic tests - Test 11i: Dry heat
IEC 60512-13-2 - Connectors for electronic equipment - EN 60512-13-2 -
Tests and measurements - Part 13-2:
Mechanical operation tests - Test 13b:
Insertion and withdrawal forces
IEC 60512-13-5 - Connectors for electronic equipment - EN 60512-13-5 -
Tests and measurements - Part 13-5:
Mechanical operation tests - Test 13e:
Polarizing and keying method
Publication Year Title EN/HD Year
IEC 60512-15-6 - Connectors for electronic equipment - EN 60512-15-6 -
Tests and measurements - Part 15-6:
Connector tests (mechanical) - Test 15f:
Effectiveness of connector coupling
devices
IEC 60512-15-7 - Connectors for electronic equipment - EN 60512-15-7 -
Tests and measurements - Part 15-7:
Connector tests (mechanical) - Test 15g:
Robustness of protective cover attachment
IEC 60512-25-9 - Connectors for electronic equipment - EN 60512-25-9 -
Tests and measurements - Part 25-9:
Signal integrity tests - Test 25i: Alien
crosstalk
IEC 60512-26-100 - Connectors for electronic equipment - EN 60512-26-100 -
Tests and measurements - Part 26-100:
Measurement setup, test and reference
arrangements and measurements for
connectors according to IEC 60603-7 -
Tests 26a to 26g
IEC 60512-28-100 - Connectors for electrical and electronic EN IEC 60512-28- -
equipment - Tests and measurements - 100
Part 28-100: Signal integrity tests up to 2
000 MHz - Tests 28a to 28g
IEC 60664-1 - Insulation coordination for equipment EN IEC 60664-1 -
within low-voltage supply systems - Part 1:
Principles, requirements and tests
IEC 61156 series Multicore and symmetrical pair/quad - -
cables for digital communications
IEC 61984 - Connectors - Safety requirements and EN 61984 -
tests
IEC 62153-4-9 - Metallic communication cable test methods - -
- Part 4 - 9: Electromagnetic compatibility
(EMC) - Coupling attenuation of screened
balanced cables, triaxial method
IEC 62153-4-15 - Metallic cables and other passive EN IEC 62153-4-15 -
components test methods - Part 4-15:
Electromagnetic compatibility (EMC) - Test
method for measuring transfer impedance
and screening attenuation - or coupling
attenuation with triaxial cell
ISO/IEC 11801-1 - Information technology - Generic cabling - -
for customer premises - Part 1: General
requirements
IEC 63171 ®
Edition 2.0 2025-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Connectors for electrical and electronic equipment – Shielded or unshielded
free and fixed connectors for balanced single-pair data transmission with
current-carrying capacity – General requirements and tests
Connecteurs pour équipements électriques et électroniques – Fiches et
embases écrantées ou non écrantées pour transmission de données sur une
seule paire symétrique avec courant admissible – Exigences générales et
essais
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.220.10 ISBN 978-2-8327-0337-3
– 2 – IEC 63171:2025 © IEC 2025
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 10
4 Common features and typical connector pair . 10
5 Characteristics . 11
5.1 General . 11
5.2 Pin assignment . 11
...
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