SIST EN IEC 60352-2:2025

SLOVENSKI STANDARD
01-februar-2025
Nespajkani spoji - 2. del: Nespajkani stisnjeni spoji - Splošne zahteve, preskusne
metode in praktični napotki (IEC 60352-2:2024)
Solderless connections - Part 2: Crimped connections - General requirements, test
methods and practical guidance (IEC 60352-2:2024)
Lötfreie Verbindungen - Teil 2: Crimpverbindungen - Allgemeine Anforderungen,
Prüfverfahren und Anwendungshinweise (IEC 60352-2:2024)
Connexions sans soudure - Partie 2: Connexions serties - Exigences générales,
méthodes d\'essai et guide pratique (IEC 60352-2:2024)
Ta slovenski standard je istoveten z: EN IEC 60352-2:2024
ICS:
29.120.20 Spojni elementi Connecting devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60352-2

NORME EUROPÉENNE
EUROPÄISCHE NORM December 2024
ICS 29.120.20 Supersedes EN 60352-2:2006; EN 60352-2:2006/A1:2013
English Version
Solderless connections - Part 2: Crimped connections - General
requirements, test methods and practical guidance
(IEC 60352-2:2024)
Connexions sans soudure - Partie 2: Connexions serties - Lötfreie Verbindungen - Teil 2: Crimpverbindungen -
Exigences générales, méthodes d'essai et guide pratique Allgemeine Anforderungen, Prüfverfahren und
(IEC 60352-2:2024) Anwendungshinweise
(IEC 60352-2:2024)
This European Standard was approved by CENELEC on 2024-12-04. 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
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60352-2:2024 E

European foreword
The text of document 48B/3110/FDIS, future edition 3 of IEC 60352-2, 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) 2025-12-31
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-12-31
document have to be withdrawn
This document supersedes EN 60352-2:2006 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 60352-2:2024 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 60811-201 NOTE Approved as EN 60811-201
IEC 61191-1:2018 NOTE Approved as EN IEC 61191-1:2018 (not modified)
ISO 1463 NOTE Approved as EN ISO 1463
ISO 6892-1 NOTE Approved as EN ISO 6892-1
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 - Environmental testing - Part 1: General EN 60068-1 -
and guidance
IEC 60068-2-6 - Environmental testing - Part 2-6: Tests - EN 60068-2-6 -
Test Fc: Vibration (sinusoidal)
IEC 60068-2-30 - Environmental testing - Part 2-30: Tests - EN 60068-2-30 -
Test Db: Damp heat, cyclic (12 h + 12 h
cycle)
IEC 60068-2-60 - Environmental testing - Part 2-60: Tests - EN 60068-2-60 -
Test Ke: Flowing mixed gas corrosion test
IEC 60228 - Conductors of insulated cables EN IEC 60228 -
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
Publication Year Title EN/HD Year
IEC 60512-2-2 - Connectors for electronic equipment - EN 60512-2-2 -
Tests and measurements - Part 2-2:
Electrical continuity and contact resistance
tests - Test 2b: Contact resistance -
Specified test current 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 60512-4-3 - Connectors for electronic equipment - EN 60512-4-3 -
Tests and measurements - Part 4-3:
Voltage stress tests - Test 4c: Voltage
proof of pre-insulated crimp barrels
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 60512-6-4 - Connectors for electronic equipment - EN 60512-6-4 -
Tests and measurements - Part 6-4:
Dynamic stress tests - Test 6d: Vibration
(sinusoidal)
IEC 60512-9-5 - Connectors for electrical and electronic EN IEC 60512-9-5 -
equipment - Tests and measurements -
Part 9-5: Endurance tests - Test 9e:
Current loading, cyclic
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 60512-11-4 - 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 60512-11-10 - Connectors for electronic equipment - EN 60512-11-10 -
Tests and measurements - Part 11-10:
Climatic tests - Test 11j: Cold
IEC 60512-11-12 - Connectors for electronic equipment - EN 60512-11-12 -
Tests and measurements - Part 11-12:
Climatic tests - Test 11m: Damp heat,
cyclic
IEC 60512-16-4 - Connectors for electronic equipment - EN 60512-16-4 -
Tests and measurements - Part 16-4:
Mechanical tests on contacts and
terminations - Test 16d: Tensile strength
(crimped connections)
Publication Year Title EN/HD Year
IEC 60512-16-7 - Connectors for electronic equipment - EN 60512-16-7 -
Tests and measurements - Part 16-7:
Mechanical tests on contacts and
terminations - Test 16g: Measurement of
contact deformation after crimping
IEC 60512-16-8 - Connectors for electronic equipment - EN 60512-16-8 -
Tests and measurements - Part 16-8:
Mechanical tests on connections and
terminations - Test 16h: Insulating grip
effectiveness (crimped connections)
IEC 60512-19-1 - Connectors for electronic equipment - EN 60512-19-1 -
Tests and measurements - Part 19-1:
Chemical resistance tests - Test 19a: Fluid
resistance of pre-insulated crimp barrels

IEC 60352-2 ®
Edition 3.0 2024-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Solderless connections –
Part 2: Crimped connections – General requirements, test methods and

practical guidance
Connexions sans soudure –
Partie 2: Connexions serties – Exigences générales, méthodes d'essai et guide

pratique
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.20  ISBN 978-2-8322-9903-6

– 2 – IEC 60352-2:2024 © IEC 2024
CONTENTS
FOREWORD . 10
INTRODUCTION . 13
1 Scope . 14
2 Normative references . 14
3 Terms and definitions . 16
4 Workmanship . 25
5 Prerequisites for basic test schedule . 26
5.1 Classification by end-product class . 26
5.1.1 General . 26
5.1.2 Class A – General electrical and electronics products . 26
5.1.3 Class B – Dedicated service electrical and electronics products . 26
5.1.4 Class C – High-performance electrical and electronics products . 26
5.2 Prerequisites for tools . 26
5.3 Prerequisites for crimp barrels . 27
5.3.1 Crimp barrel materials . 27
5.3.2 Crimp barrel dimensions . 27
5.3.3 Crimp barrel surface finishes . 27
5.3.4 Crimp barrel design features . 28
5.4 Prerequisites for wires . 28
5.4.1 General . 28
5.4.2 Conductor materials. 28
5.4.3 Conductor dimensions . 28
5.4.4 Conductor surface finishes . 29
5.4.5 Wire insulation . 29
5.4.6 Wire cutting and stripping . 29
5.5 Prerequisites for crimped connections. 31
5.5.1 Compatibility of combination . 31
5.5.2 Conductor location . 31
5.5.3 Crimping location . 31
5.5.4 Contact deformation . 31
5.5.5 Prerequisites for crimped connections with more than one conductor in
the crimp barrel . 31
5.5.6 Adjustment of conductor cross-sectional area to the crimp barrel . 32
5.5.7 Crimp contacts and terminal ends . 32
5.5.8 Splice crimp barrels . 36
5.6 Prerequisites for splice crimped connections . 37
5.6.1 General . 37
5.6.2 Conductor requirements for crimped splices . 37
6 Testing . 38
6.1 General . 38
6.2 Standard conditions for testing . 39
6.3 Pre-conditioning . 39
6.4 Recovery . 39
6.5 Mounting of the specimen . 39
7 Test methods and test requirements . 40
7.1 General examination of crimp barrels and wires . 40

IEC 60352-2:2024 © IEC 2024 – 3 –
7.2 Examination of crimp dimensions . 40
7.2.1 Crimp height C , crimp width C and measurable crimp width C . 40
h w wm
7.2.2 Contact deformation after crimping . 42
7.2.3 Visual examination of insulation distance and conductor overhang . 43
7.2.4 Visual examination of splice crimped connections . 44
7.2.5 Visual examination of crimped connections on closed (machined) crimp
barrels . 44
7.2.6 Visual examination of crimped connections on B-crimp open crimp
barrels . 44
7.2.7 Visual examination of crimped connections with open crimp barrel with
insulation grip . 44
7.3 Mechanical tests . 46
7.3.1 Tensile strength . 46
7.3.2 Microsection . 48
7.3.3 Insulation grip effectiveness . 49
7.3.4 Bending test (uninsulated crimp barrels with insulation grip) . 50
7.3.5 Bending test (pre-insulated crimp barrels with insulation grip) . 51
7.3.6 Bending test on splice crimped connections . 52
7.3.7 Vibration test . 52
7.4 Electrical tests . 53
7.4.1 Crimp resistance. 53
7.4.2 Voltage proof (crimped connection with pre-insulated crimp barrels) . 58
7.4.3 Current-carrying capacity test with temperature rise . 58
7.5 Climatic tests . 60
7.5.1 General . 60
7.5.2 Rapid change of temperature . 60
7.5.3 Dry heat . 61
7.5.4 Climatic sequence . 61
7.5.5 Current loading, cyclic . 62
7.5.6 Crimping at low temperature (crimped connections with pre-insulated
crimp barrels) . 66
7.6 Miscellaneous tests . 67
7.6.1 Fluid resistance of pre-insulated crimp barrels . 67
7.6.2 Flowing mixed gas corrosion test . 67
8 Test schedules . 68
8.1 Preparation and type of test specimens . 68
8.1.1 Preparation of test specimens. 68
8.1.2 Type A specimen (for testing according to 8.2, 8.2.3.3 if required, 8.3.2,
8.3.4 if required) . 68
8.1.3 Type B specimen (for tests according to 8.2.3.1 and 8.3.3.2) . 68
8.1.4 Type C specimen (for insulation grip effectiveness tests, see 8.2.3.3
and 8.3.4) . 69
8.1.5 Type D specimen (for testing of pre-insulated crimp barrels only, see
8.2.3.4, 8.3.9.2 and 8.3.9.3) . 70
8.1.6 Type E specimen (for tests according to 8.2.3.2, 8.2.3.4, 8.3.3.5) . 70
8.1.7 Type F specimen (for testing of pre-insulated crimp barrels according to
8.3.9.4) . 71
8.1.8 Type G specimen (for testing according to 8.2.3.2, 8.3.3.4, 8.3.3.5 and
8.3.6) . 72
8.1.9 Type H specimen (for testing according to 8.2.2, 8.2.3.1, 8.2.3.3, 8.3.2,
8.3.3.2, 8.3.3.3 and 8.3.4) . 72

– 4 – IEC 60352-2:2024 © IEC 2024
8.1.10 Number of specimens required . 73
8.2 Basic test schedule . 74
8.2.1 General . 74
8.2.2 Initial examination . 74
8.2.3 Testing of crimped connections . 75
8.3 Full test schedule . 77
8.3.1 General . 77
8.3.2 Initial examination . 78
8.3.3 Testing of crimped connections . 78
8.3.4 Testing of insulation grip effectiveness, test group F5 . 80
8.3.5 Testing of stability of splice crimped connections under bending . 81
8.3.6 Test group F7, if required . 81
8.3.7 Test group F8, if required . 81
8.3.8 Test group F9, if required . 81
8.3.9 Testing of crimped connections with pre-insulated crimp barrels . 82
8.4 Flow charts . 83
Annex A (informative) Practical guidance . 86
A.1 General information on crimped connections . 86
A.1.1 General . 86
A.1.2 Advantages of crimped connections . 86
A.1.3 Current-carrying capacity considerations . 86
A.2 Tool information . 87
A.3 Crimp barrel information . 88
A.3.1 General . 88
A.3.2 Materials . 89
A.3.3 Surface finishes . 89
A.3.4 Shapes of crimped connections . 89
A.4 Wire information. 91
A.4.1 General . 91
A.4.2 Conductor materials. 92
A.4.3 Conductor surface finishes . 92
A.4.4 Wire stripping information . 92
A.5 Crimped connection information . 95
A.5.1 General . 95
A.5.2 Additional information . 96
A.5.3 Crimped connections made with more than one wire in a crimp barrel . 99
A.5.4 Dimensions after crimping . 100
A.5.5 Conductor and crimp barrel materials and finishes selection . 100
A.6 Crimping process . 100
A.6.1 Crimping of contacts with open crimp barrel . 100
A.6.2 Crimping of contacts with open crimp barrel, loose piece contacts . 100
A.6.3 Processing instruction . 101
A.7 Correct crimped connections (additional information) . 102
A.7.1 Correct crimped connections of contacts with open crimp barrel . 102
A.7.2 Measuring of crimp height or depth . 103
A.7.3 Pull-out force . 104
A.8 Examination by microsection . 110
A.8.1 Microsection image creation . 110
A.8.2 Graphical representation of the microsection image requirements . 111

IEC 60352-2:2024 © IEC 2024 – 5 –
A.8.3 Microsection terminology . 112
A.8.4 Porosity ratio of crimped connections in microsections . 114
A.8.5 Crimp compression ratio of the crimped connection in the microsection . 115
A.8.6 Ratio of crimp height to crimp width in the microsection . 115
A.8.7 Requirements for B-crimped connections in the microsection . 116
A.8.8 Condition of microsections . 117
A.8.9 Insulation grip . 119
A.9 Faults with crimped contacts having open crimp barrels . 121
A.10 Splices . 121
A.11 Crimp resistance test . 121
A.11.1 General . 121
A.11.2 Notes on specimen preparation and measurement . 125
A.12 General information about crimp contacts as part of a multipole connector . 125
A.12.1 Insertion of crimped contacts into the contact cavities of the connector
insert . 125
A.12.2 Removal of inserted contacts . 126
A.12.3 Mounting and bending of wire bundles or cables with crimped contacts . 126
A.12.4 Mating and unmating of multipole connectors with crimped contacts . 127
A.13 Final remarks . 127
Bibliography . 128

Figure 1 – Examples of crimp contact . 17
Figure 2 – Examples of splice . 18
Figure 3 – Example of insulation support . 18
Figure 4 – Examples of insulation grip . 19
Figure 5 – Examples of crimping tool . 19
Figure 6 – Example of positioner holding the crimp barrel . 20
Figure 7 – Example of positioner holding the stripped wire . 20
Figure 8 – Open crimp barrel . 22
Figure 9 – Closed crimp barrels . 22
Figure 10 – Pre-insulated crimp barrel . 23
Figure 11 – Crimping zones . 23
Figure 12 – Example of crimp funnel . 24
Figure 13 – Concentricity of wire insulation . 29
Figure 14 – Diameter ratio when crimping wires with different individual strand

diameters . 32
Figure 15 – Examples of open stamped crimp contacts for automatic production . 32
Figure 16 – Stamped open B-crimp contact with anvil and punch shapes . 33
Figure 17 – Designations on open B-crimp contact . 33
Figure 18 – Examples of crimping dies (press dies) . 33
Figure 19 – Stamped closed crimp barrel (crimp cable lug) . 34
Figure 20 – Different crimp shapes . 34
Figure 21 – Examples of crimping dies for closed crimp barrels . 34
Figure 22 – Tubular cable lugs for class 5 conductors . 35
Figure 23 – Tubular cable lugs for class 6 conductors . 35
Figure 24 – Crimping process of 4-indent crimping with adjustable tools . 35

– 6 – IEC 60352-2:2024 © IEC 2024
Figure 25 – Pre-insulated stamped close crimp barrel, area definitions . 36
Figure 26 – Pre-insulated closed crimp barrels of various designs . 36
Figure 27 – Examples of pre-insulated crimp cable lugs as strip parts . 36
Figure 28 – Uninsulated splice variants . 37
Figure 29 – Diameter ratio when crimping wires with different individual strand
diameters in splices . 38
Figure 30 – Crimp height measurement on open crimp barrel (B-crimp) . 41
Figure 31 – Crimp height measurement on closed crimp barrel (mandrel crimping) . 41
Figure 32 – Crimp height measurement on closed crimp barrel (4-indent crimping) . 42
Figure 33 – Example of holding and measuring points for contact deformation . 43
Figure 34 – Insulation distance and conductor overhang . 43
Figure 35 – Examples of insulation grip die shapes . 45
Figure 36 – Examples of insulation grip . 45
Figure 37 – Test arrangement . 50
Figure 38 – Bending test of crimped connections with uninsulated crimp barrels . 50
Figure 39 – Bending test of crimped connections with pre-insulated crimp barrels . 51
Figure 40 – Bending test on splice crimped connections . 52
Figure 41 – Arrangement for vibration test . 53
Figure 42 – Test arrangement for measurement of crimp resistance of single-conductor

crimped connection . 54
Figure 43 – Measuring of crimp resistance of splices or multiple-conductor crimp
connections . 54
Figure 44 – Crimp resistance R of crimped connections with copper barrels and
C
copper conductor (K = 1) . 56
Figure 45 – Test setup for temperature rise measurements under current load . 58
Figure 46 – Temperature chamber with ventilation opening for current-temperature
derating measurements . 60
Figure 47 – Examples of test arrangements . 64
Figure 48 – Test current for crimped connections . 65
Figure 49 – Examples of type A specimens . 68
Figure 50 – Examples of type B specimens . 69
Figure 51 – Examples of type C specimens . 70
Figure 52 – Example of type D specimen (pre-insulated) . 70
Figure 53 – Examples of type E specimen. 71
Figure 54 – Example of type F specimen . 72
Figure 55 – Type G specimen (splice) . 72
Figure 56 – Type H specimen (splice) . 73
Figure 57 – Basic test schedule (see 8.2) . 84
Figure 58 – Full test schedule (see 8.3) . 85
Figure A.1 – Open crimp barrels . 88
Figure A.2 – Closed crimp barrels . 89
Figure A.3 – Crimping shape in the wire axis . 90
Figure A.4 – Crimping shape 90° angled to the wire axis . 90
Figure A.5 – Crimping shape without insulation grip . 90

IEC 60352-2:2024 © IEC 2024 – 7 –
Figure A.6 – Crimping shape with pre-insulated crimp barrel . 91
Figure A.7 – Crimping shape without pre-insulated crimp barrel . 91
Figure A.8 – Crimped connections using solid round conductors . 92
Figure A.9 – Stripping length . 93
Figure A.10 – Example of parallel (in-line) process crimping and angled crimping
process . 101
Figure A.11 – Crimping process of an open crimp barrel (B-crimp) . 102
Figure A.12 – Correct crimped connections of contacts with open crimp barrel . 102
Figure A.13 – Measuring instructions . 103
Figure A.14 – Crimp height measuring procedure . 104
Figure A.15 – Pull-out force test for crimped connections with pull speed 50 mm/min . 105
Figure A.16 – Determination of the intrinsic tensile strength of the conductor
(50 mm/min) . 107
Figure A.17 – Relationships between crimp height (C ), pull-out force, crimp force
h
(indentation depth), and electrical conductivity . 109
Figure A.18 – Pull-out force test of splice crimp connections (50 mm/min) . 110
Figure A.19 – Illustration of the parting plane on the crimp barrel centred in the
crimping zone (X). 111
Figure A.20 – Example of end-feed (length feed) open barrel crimp contacts . 111
Figure A.21 – Cutting the crimped connection . 111
Figure A.22 – Dimensions on the microsection for B-crimp barrels . 112
Figure A.23 – Dimensions on the microsection for closed tube and crimped cable lugs . 113
Figure A.24 – Dimensions on the microsection for 4-indent closed crimp barrels . 113
Figure A.25 – Dimensions on the microsection for hexagonal crimp barrels . 113
Figure A.26 – Dimensions on the microsection for crimp barrels (also pre-insulated) . 114
Figure A.27 – Examples of microsections of crimp barrels . 114
Figure A.28 – Ratio of crimp height C to crimp width C . 115
h w
Figure A.29 – Ratio of distance between crimp face ends CFE and base material
thickness S . 116
Figure A.30 – Support angle α of the crimp flanks . 116
w
Figure A.31 – Support height L of the crimp flanks . 116
a
Figure A.32 – Crimp edge distance to floor (F ) . 116
a
Figure A.33 – Resulting bottom thickness S after crimping . 117
b
Figure A.34 – Requirements for the acceptance of a burr formation . 117
Figure A.35 – Diagrams for resistance values (A and B) for electrolytic copper
conductors (K = 1) and for material with K = 3,8. 122
Figure A.36 – Replacement circuit diagram for the crimp resistance . 123
Figure A.37 – Insertion of crimped contacts into contact cavities . 126
Figure A.38 – Mounting of wire bundles/cables with crimped contacts . 126
Figure A.39 – Bending of wire bundles of connectors . 127
Figure A.40 – Mating and unmating of multipole connectors . 127

Table 1 – Allowable strand damage . 30
Table 2 – Prerequisites of 5.3 for crimp barrels to access the basic test schedule of 8.2 . 38

– 8 – IEC 60352-2:2024 © IEC 2024
Table 3 – Prerequisites of 5.4 for wires to access the basic test schedule of 8.2 . 39
Table 4 – Magnification aids for visual examination . 40
Table 5 – Example of permissible tolerances for crimp height measurements . 42
Table 6 – Insulation distance and conductor overhang on closed crimp barrels . 44
Table 7 – Pull-out force of crimped connections . 47
Table 8 – Vibration, preferred test severities . 53
Table 9 – Example of other materials . 57
Table 10 – Minimum wire length L as a function of conductor cross-sectional area S . 59
Table 11 – Current values (tentative) – alternative current loading, cyclic method . 66
Table 12 – Number of specimens . 73
Table 13 – Test group B0 . 75
Table 14 – Test group B1 . 75
Table 15 – Test group B2 .
...