EN IEC 60512-99-003:2023

SLOVENSKI STANDARD
01-januar-2024
Konektorji za električno in elektronsko opremo - Preskusi in meritve - 99-003. del:
Časovni načrt preskušanja vzdržljivosti - Preskus 99c: Načrt preskušanja za
uravnotežene konektorje z enim parom za ločeni (nenamerni) izklop pri električni
obremenitvi (IEC 60512-99-003:2023)
Connectors for electrical and electronic equipment - Tests and measurements - Part 99-
003: Endurance test schedules - Test 99c: Test schedule for balanced single-pair
connectors separating (unmating) under electrical load (IEC 60512-99-003:2023)
Steckverbinder für elektrische und elektronische Einrichtungen - Prüfungen und
Messungen - Teil 99-003: Dauerprüfpläne - Prüfung 99c: Prüfplan für symmetrische
einpaarige Steckverbinder, die unter elektrischer Last getrennt werden (IEC 60512-99-
003:2023)
Connecteurs pour équipements électriques et électroniques - Essais et mesures - Partie
99-003: Programmes d’essais d’endurance - Essai 99c: Programme d’essai des
connecteurs à une seule paire symétrique lors du désaccouplement sous charge
électrique (IEC 60512-99-003:2023)
Ta slovenski standard je istoveten z: EN IEC 60512-99-003:2023
ICS:
13.220.40 Sposobnost vžiga in Ignitability and burning
obnašanje materialov in behaviour of materials and
proizvodov pri gorenju products
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 60512-99-003

NORME EUROPÉENNE
EUROPÄISCHE NORM November 2023
ICS 13.220.40
English Version
Connectors for electrical and electronic equipment - Tests and
measurements - Part 99-003: Endurance test schedules - Test
99c: Test schedule for balanced single-pair connectors
separating (unmating) under electrical load
(IEC 60512-99-003:2023)
Connecteurs pour équipements électriques et électroniques Steckverbinder für elektrische und elektronische
- Essais et mesures - Partie 99-003: Programmes d'essais Einrichtungen - Prüfungen und Messungen - Teil 99-003:
d'endurance - Essai 99c: Programme d'essai des Dauerprüfpläne - Prüfung 99c: Prüfplan für symmetrische
connecteurs à une seule paire symétrique lors de la einpaarige Steckverbinder, die unter elektrischer Last
séparation (désaccouplement) sous charge électrique getrennt werden
(IEC 60512-99-003:2023) (IEC 60512-99-003:2023)
This European Standard was approved by CENELEC on 2023-11-03. 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
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60512-99-003:2023 E

European foreword
The text of document 48B/3058/FDIS, future edition 1 of IEC 60512-99-003, 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 EN IEC 60512-99-003:2023.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-08-03
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2026-11-03
document have to be withdrawn
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 60512-99-003:2023 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated:
IEC 60512-99-002 NOTE Approved as EN IEC 60512-99-002
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 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 60512-2-1 - 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 60512-3-1 - Connectors for electronic equipment - EN 60512-3-1 -
Tests and measurements - Part 3-1:
Insulation tests - Test 3a: Insulation
resistance
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 60512-9-3 2011 Connectors for electronic equipment - EN 60512-9-3 2011
Tests and measurements - Part 9-3:
Endurance tests - Test 9c: Mechanical
operation (engaging and separating) with
electrical load
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 63171 series Connectors for electrical and electronic EN IEC 63171 series
equipment – Shielded or unshielded free
and fixed connectors for balanced single-
pair data transmission with current-carrying
capacity – General requirements and tests
IEEE Std 802.3cg 2019 IEEE Standard for Ethernet - Amendment - -
5: Physical Layer Specifications and
Management Parameters for 10 Mb/s
Operation and Associated Power Delivery
over a Balanced single-pair of Conductors

IEC 60512-99-003 ®
Edition 1.0 2023-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Connectors for electrical and electronic equipment – Tests and measurements –

Part 99-003: Endurance test schedules – Test 99c: Test schedule for balanced

single-pair connectors separating (unmating) under electrical load

Connecteurs pour équipements électriques et électroniques – Essais et

mesures –
Partie 99-003: Programmes d’essais d’endurance – Essai 99c: Programme

d’essai des connecteurs à une seule paire symétrique lors de la séparation

(désaccouplement) sous charge électrique

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.220.40  ISBN 978-2-8322-7561-0

– 2 – IEC 60512-99-003:2023 © IEC 2023
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and acronyms . 6
3.1 Terms and definitions . 6
3.2 Acronyms . 6
4 General . 6
5 Preparation of specimens . 6
6 Test circuit requirements . 6
6.1 General . 6
6.2 Voltage and current . 7
6.3 Auxiliary equipment . 8
7 Test methods . 8
7.1 Mechanical operations with electrical load . 8
7.2 Flowing mixed gas corrosion . 8
8 Test and test schedule – Test group UEL 1 . 8
Annex A (informative) Test voltage and current setting instructions. 11
A.1 General . 11
A.2 Rationale . 11
A.3 Suggested setting instructions . 11
Annex B (informative) Discussion of the test circuit elements . 12
B.1 General . 12
B.2 The test circuit elements . 12
B.2.1 Power supply . 12
B.2.2 Inductors . 12
B.2.3 PD load . 12
B.3 An example of calculating voltage and load . 12
Annex C (informative) Development of the test circuit . 13
C.1 Model of the PSE and the PD . 13
C.2 Removal of the semiconductors . 13
C.3 Combination of the elements . 14
C.4 Further adjustments . 14
C.5 Final schematic for unmating under load . 15
Bibliography . 16

Figure 1 – Test circuit diagram for one pole . 7
Figure C.1 – PSE and PD model . 13
Figure C.2 – Removal of the semiconductors . 13
Figure C.3 – Combination of the elements . 14
Figure C.4 – Removal of the capacitors and concentration of the inductors . 14
Figure C.5 – Final schematic . 15

Table 1 – Remote powering test requirements . 7
Table 2 – T
...