EN 61076-3-110:2008

SLOVENSKI STANDARD
01-junij-2008
Konektorji za elektronsko opremo - Zahteve za izdelek - 3-110. del: Pravokotni
konektorji - Podrobna specifikacija za zaslonjene, proste in fiksne konektorje za
prenos podatkov s frekvencami do 1 000 MHz (IEC 61076-3-110:2007)
Connectors for electronic equipment - Product requirements - Part 3-110: Rectangular
connectors - Detail specification for shielded, free and fixed connectors for data
transmission with frequencies up to 1 000 MHz (IEC 61076-3-110:2007)
Steckverbinder für elektronische Einrichtungen - Produktanforderungen - Teil 3-110:
Rechteckige Steckverbinder - Bauartspezifikation für geschirmte freie und feste
Steckverbinder für Datenübertragungen bis 1 000 MHz (IEC 61076-3-110:2007)
Connecteurs pour équipements électroniques - Exigences de produit - Partie 3-110:
Connecteurs rectangulaires - Spécification particuliere pour les fiches et les embases
écrantées pour la transmission de données a des fréquences jusqu'a 1 000 MHz (CEI
61076-3-110:2007)
Ta slovenski standard je istoveten z: EN 61076-3-110:2008
ICS:
31.220.10 9WLþLLQYWLþQLFHNRQHNWRUML Plug-and-socket devices.
Connectors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61076-3-110
NORME EUROPÉENNE
April 2008
EUROPÄISCHE NORM
ICS 31.220.10
English version
Connectors for electronic equipment -
Product requirements -
Part 3-110: Rectangular connectors -
Detail specification for shielded, free and fixed connectors
for data transmission with frequencies up to 1 000 MHz
(IEC 61076-3-110:2007)
Connecteurs pour équipements Steckverbinder für elektronische
électroniques - Einrichtungen -
Exigences de produit - Produktanforderungen -
Partie 3-110: Connecteurs rectangulaires - Teil 3-110: Rechteckige Steckverbinder -
Spécification particulière pour les fiches Bauartspezifikation für geschirmte freie
et les embases écrantées und feste Steckverbinder
pour la transmission de données für Datenübertragungen bis 1 000 MHz
à des fréquences jusqu'à 1 000 MHz (IEC 61076-3-110:2007)
(CEI 61076-3-110:2007)
This European Standard was approved by CENELEC on 2008-03-01. 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 Central Secretariat 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 Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61076-3-110:2008 E

Foreword
The text of document 48B/1796/FDIS, future edition 1 of IEC 61076-3-110, prepared by SC 48B,
Connectors, of IEC TC 48, Electromechanical components and mechanical structures for electronic
equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as
EN 61076-3-110 on 2008-03-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
(dop) 2008-12-01
national standard or by endorsement
– latest date by which the national standards conflicting
(dow) 2011-03-01
with the EN have to be withdrawn
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61076-3-110:2007 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 61076-3-110:2008
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application 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  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

1)
- - Communication cables - Specifications EN 50289-1-14 -
for test methods -
Part 1-14: Electrical test methods - Coupling
attenuation or screening attenuation of
connecting hardware
1) 2)
IEC 60068-1 - Environmental testing - EN 60068-1 1994
Part 1: General and guidance
1) 2)
IEC 60068-2-38 - Environmental testing - EN 60068-2-38 1999
Part 2: Tests - Test Z/AD: Composite
temperature/humidity cyclic test

IEC 60352 Series Solderless connections EN 60352 Series

1) 2)
IEC 60352-2 - Solderless connections - EN 60352-2 2006
Part 2: Crimped connections - General
requirements, test methods and practical
guidance
1) 2)
IEC 60352-3 - Solderless connections - EN 60352-3 1994
Part 3: Solderless accessible insulation
displacement connections - General
requirements, test methods and practical
guidance
1) 2)
IEC 60352-4 - Solderless connections - EN 60352-4 1994
Part 4: Solderless non-accessible insulation
displacement connections - General
requirements, test methods and practical
guidance
1) 2)
IEC 60352-5 - Solderless connections - EN 60352-5 2008
Part 5: Press-in connections - General
requirements, test methods and practical
guidance
1) 2)
IEC 60352-6 - Solderless connections - EN 60352-6 1997
Part 6: Insulation piercing connections -
General requirements, test methods and
practical guidance
1) 2)
IEC 60352-7 - Solderless connections - EN 60352-7 2002
Part 7: Spring clamp connections - General
requirements, test methods and practical
guidance
1)
Undated reference.
2)
Valid edition at date of issue.

Publication Year Title EN/HD Year
IEC 60512 Series Connectors for electronic equipment - Tests EN 60512 Series
and measurements
1) 2)
IEC 60512-1-100 - Connectors for electronic equipment - Tests EN 60512-1-100 2006
and measurements -
Part 1-100: General - Applicable publications

IEC 60603-7 Series Connectors for electronic equipment - EN 60603-7 Series
Part 7: Detail specification for 8-way, shielded
free and fixed connectors with common
mating features, with assessed quality

1) 2)
IEC 60664-1 - Insulation coordination for equipment within EN 60664-1 2007
low-voltage systems -
Part 1: Principles, requirements and tests

IEC 61076-1 2006 Connectors for electronic equipment - Product EN 61076-1 2006
requirements -
Part 1: Generic specification
3) 3)
IEC 61076-3 200X Connectors for electronic equipment - Product EN 61076-3 200X
requirements -
Part 3: Rectangular connectors - Sectional
specification
IEC 61156 Series Multicore and symmetrical pair/quad cables - -
for digital communications
1)
IEC 61156-2 - Multicore and symmetrical pair/quad cables - -
for digital communications -
Part 2: Horizontal floor wiring - Sectional
specification
1)
IEC 61156-3 - Multicore and symmetrical pair/quad cables - -
for digital communications -
Part 3: Work area wiring - Sectional
specification
1)
IEC 61156-4 - Multicore and symmetrical pair/quad cables - -
for digital communications -
Part 4: Riser cables - Sectional specification

1)
IEC 61156-5 - Multicore and symmetrical pair/quad cables - -
for digital communications -
Part 5: Symmetrical pair/quad cables with
transmission characteristics up to 600 MHz -
Horizontal floor wiring - Sectional specification

1)
IEC 61156-6 - Multicore and symmetrical pair/quad cables - -
for digital communications -
Part 6: Symmetrical pair/quad cables with
transmission characteristics up to 600 MHz -
Work area wiring - Sectional specification

ISO/IEC 11801 2002 Information technology - Generic cabling for - -
customer premises
1) 2)
ISO 1302 - Geometrical Product Specifications (GPS) - EN ISO 1302 2002
Indication of surface texture in technical
product documentation
1)
ITU-T - Resistibility of telecommunication equipment - -
Recommendation installed in a telecommunications centre to
K.20 overvoltages and overcurrents

3)
At draft stage.
- 5 - EN 61076-3-110:2008
Publication Year Title EN/HD Year
ITU-T 2000 Resistibility tests for telecommunication - -
Recommendation equipment exposed to overvoltages and
K.44 overcurrents - Basic Recommendation

IEC 61076-3-110
Edition 1.0 2007-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Connectors for electronic equipment – Product requirements –
Part 3-110: Rectangular connectors – Detail specification for shielded, free and
fixed connectors for data transmission with frequencies up to 1 000 MHz

Connecteurs pour équipements électroniques – Exigences de produit –
Partie 3-110: Connecteurs rectangulaires – Spécification particulière pour les
fiches et les embases écrantées pour la transmission de données à des
fréquences jusqu'à 1 000 MHz
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
XA
CODE PRIX
ICS 31.220.10 ISBN 2-8318-9431-X

– 2 – 61076-3-110 © IEC:2007
CONTENTS
FOREWORD.4
INTRODUCTION.6

1 General .8
1.1 Scope.8
1.2 Normative references .8
2 Technical information.10
2.1 Terms and definitions .10
2.2 Systems of levels.10
2.3 Complete connectors (pairs) .10
2.4 Fixed connectors .11
2.5 Free connectors .11
2.6 Classification into climate categories .11
2.7 Clearance and creepage distances .11
2.8 Current carrying capacity .11
2.9 IEC type designation.12
2.10 Marking .12
3 Dimensional information .13
3.1 General .13
3.2 Isometric view and common features .13
3.3 Mating information .13
3.4 Fixed connectors .15
3.5 Free connectors .18
3.6 Terminations .21
3.7 Mounting information .22
3.8 Gauges .22
4 Characteristics.30
4.1 General .30
4.2 Pin and pair grouping assignment .30
4.3 Climatic category.31
4.4 Electrical characteristics .31
4.5 Transmission characteristics.33
4.6 Mechanical characteristics.36
5 Test schedule .36
5.1 General .36
5.2 Test procedures and measuring methods.37
5.3 Preconditioning.37
5.4 Wiring and mounting of specimens .37
5.5 Test schedules .39

Annex A (normative) Gauging continuity procedure.47
Annex B (normative) Locking device mechanical operation – Test procedure and
requirements.50
Annex C (normative) High frequency transmission interoperability testing .51
Annex D (normative) Gauging requirements .53

61076-3-110 © IEC:2007 – 3 –
Bibliography .54

Figure 1 – Isometric view, fixed 8 and 12 pole and free 8, 12 and 4 pole connectors .13
Figure 2 – Physical interface, contacts interface dimensions.14
Figure 3 – Physical interface, fixed connector, front view – Dimensions .16
Figure 4 – Physical interface, fixed connector, side view – Dimensions .16
Figure 5 – Fixed connector, board mounted – Example.18
Figure 6 – Physical interface, free connector – Dimensions .19
Figure 7 – Fixed connector “Go” gauge.23
Figure 8 – Fixed connector “No-Go” gauge – Width .23
Figure 9 – Fixed connector “No-Go” gauge – Height .24
Figure 10 – Fixed connector additional “Go” gauge.24
Figure 11 – Fixed connector additional “No-Go” gauges.25
Figure 12 – Free connector “Go” gauge .27
Figure 13 – Free connector “No-go” gauges .28
Figure 14 – Fixed connector pin and pair grouping assignment (front view of connector) .30
Figure 15 – Connector de-rating curve.32
Figure 16 – Arrangement for contact resistance measurement.38
Figure 17 – Arrangement for dynamic stress tests .39
Figure A.1 – Continuity gauge, isometric views .48
Figure A.2 – Continuity gauge .48
Figure A.3 – Continuity gauge insertion .49
Figure C.1 – Free test connector – Precision test fixture .51
Figure C.2 – Fixed test-connector – Precision test fixture .52

Table 1 – Physical interface, contacts interface – Dimensions.15
Table 2 – Fixed connector common dimensions.17
Table 3 – Common dimensions – Free connector .20
Table 4 – Fixed connector gauges – Dimensions .26
Table 5 – Free connector gauges – Dimensions .29
Table 6 – Climatic categories – Selected values .31
Table 7 – Minimum distances .31
Table 8 – Test group P.40
Table 9 – Test group AP.41
Table 10 – Test group BP.42
Table 11 – Test group CP .43
Table 12 – Test group DP .44
Table 13 – Test group EP.45
Table 14 – Test group FP.46
Table 15 – Test group GP .46
Table A.1 – Continuity gauge dimensions .49

– 4 – 61076-3-110 © IEC:2007
INTERNATIONAL ELECTROTECHNICAL COMMISSION
––––––––––––
CONNECTORS FOR ELECTRONIC EQUIPMENT –
PRODUCT REQUIREMENTS –
Part 3-110: Rectangular connectors – Detail specification for shielded,
free and fixed connectors for data transmission
with frequencies up to 1 000 MHz

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 61076-3-110 has been prepared by subcommittee 48B: Connectors,
of IEC technical committee 48: Electromechanical components and mechanical structures for
electronic equipment.
This International Standard cancels and replaces IEC/PAS 61076-3-110 (2002).

61076-3-110 © IEC:2007 – 5 –
The text of this standard is based on the following documents:
FDIS Report on voting
48B/1796/FDIS 48B/1827/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
The committee has decided that the contents of this publication will remain unchanged until the
maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
– 6 – 61076-3-110 © IEC:2007
INTRODUCTION
This part of IEC 61076 describes connectors according to IEC 61076-3 series connectors
requirements.
The connectors are similar to and compatible with IEC 60603-7 series connectors.
The IEC 61076-3-110 free connector can be used in data communication cabling systems with
the IEC 60603-7-7 and IEC 60603-7-71 fixed connector.
The IEC 61076-3-110 connector includes up to 12 contacts, including up to 8 contacts
(1,2,3,4,5,6,7,8) that are similar to a standard IEC 60603-7 series connector. In addition, the
IEC 61076-3-110 connector includes up to 4 additional contacts (6’,3’,4’,5’) located on the
opposite side from the original contact positions of a basic IEC 60603-7 series connector.
For use in high speed communications cabling systems, IEC 60603-7-7 and IEC 60603-7-71
fixed connectors include a switch or other means to engage these two different sets of four
contacts to enable backward compatibility for transmission performance. In this application the
IEC 61076-3-110 free connector simply uses 8 contacts (1,2,3’,4’,5’,6’,7,8) and no switch.
The IEC 61076-3-110 fixed connector includes a board mounted style in addition to the cable
mounted style.
The complete requirements for the connectors described in this specification correspond to this
detail specification and the current issues of IEC 61076-3 and IEC 60603-7 series, which are
referenced herein accordingly.

61076-3-110 © IEC:2007 – 7 –
IEC SC 48B: CONNECTORS IEC 61076-3-110

Specification available from:
IEC Central Office or from the addresses shown on the inside cover

Detail specification for two-part
connector used in:
− high speed communications
applications up to 1 000 MHz
− up to 6 balanced contact pairs (up
to 12 contacts)
− compatible with IEC 60603-7
series connectors 4 balanced
contact pairs (1,2,3,4,5,6,7,8) up
to 500 MHz and
4 balanced contact pairs
(1,2,3’,4’,5’,6’,7,8) of
IEC 60603-7-7 up to 600 MHz and
IEC 60603-7-71 up to 1 000 MHz
− intended for inside-building
cabling systems
Fixed connector: cable mount or for
mounting on printed boards
Free connector: cable mount only
Performance level(s): 1, 2
Assessment level(s): not specified
IEC  2276/07
Reference data: not available
– 8 – 61076-3-110 © IEC:2007
CONNECTORS FOR ELECTRONIC EQUIPMENT –
PRODUCT REQUIREMENTS –
Part 3-110: Rectangular connectors – Detail specification for shielded,
free and fixed connectors for data transmission
with frequencies up to 1 000 MHz

1 General
1.1 Scope
This part of IEC 61076 is a detail specification, forming part of IEC 61076-3, for IEC 61076-3-
110, two-part connector.
It covers mechanical and environmental requirements, and electrical transmission
requirements for frequencies up to 1 000 MHz.
These connectors can be used as category 7 connectors in class F cabling systems, as
specified in ISO/IEC 11801:2002.
The connectors are intermateable with IEC 60603-7-X series connectors.
The connectors are interoperable with IEC 60603-7-7 and IEC 60603-7-71 connectors.
The connectors are backward compatible with IEC 60603-7-7 and IEC 60603-7-71 connectors.
1.2 Normative references
The following referenced documents are indispensable for the application 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.
IEC 60068-1, Environmental testing – Part 1: General and guidance
IEC 60068-2-38, Environmental testing – Part 2-38: Tests − Test Z/AD: Composite
temperature/ humidity cyclic test
IEC 60352 (all parts), Solderless connections
IEC 60352-2, Solderless connections – Part 2: Crimped connections − General requirements,
test methods and practical guidance
IEC 60352-3, Solderless connections – Part 3: Solderless accessible insulation displacement
connections − General requirements, test methods and practical guidance
IEC 60352-4, Solderless connections – Part 4: Solderless non-accessible insulation displace-
ment connections − General requirements, test methods and practical guidance
___________
ISO/IEC 11801 contains various ‘category’ designations corresponding to various frequency ranges.
Intermateability definition and requirements are given in 2.2.2.
Interoperability definition and requirements are given in 2.2.3.
Backward compatibility definition and requirements are given in 2.2.4.

61076-3-110 © IEC:2007 – 9 –
IEC 60352-5, Solderless connections – Part 5: Press-in connections − General requirements,
test methods and practical guidance
IEC 60352-6, Solderless connections – Part 6: Insulation piercing connections – General
requirements, test methods and practical guidance
IEC 60352-7, Solderless connections – Part 7: Spring clamp connections − General
requirements, test methods and practical guidance
IEC 60512 (all parts), Connectors for electronic equipment – Tests and measurements
IEC 60512-1-100, Connectors for electronic equipment – Tests and measurements –
Part 1-100: General – Applicable publications
IEC 60603-7 (all parts), Connectors for frequencies below 3 MHz for use with printed boards –
Part 7: Detail specification for connectors, 8-way, including fixed and free connectors with
common mating features, with assessed quality
IEC 60664-1, Insulation coordination for equipment within low-voltage systems – Part 1:
Principles, requirements and tests
IEC 61076-1:2006, Connectors for electronic equipment – Product requirements – Part 1:
Generic specification
IEC 61076-3, Connectors for electronic equipment – Product requirements – Part 3:
Rectangular connectors with assessed quality – Sectional specification
IEC 61156 (all parts), Multicore and symmetrical pair/quad cables for digital communications
IEC 61156-2, Multicore and symmetrical pair/quad cables for digital communications – Part 2:
Horizontal floor wiring – Sectional specification
IEC 61156-3, Multicore and symmetrical pair/quad cables for digital communications – Part 3:
Work area wiring – Sectional specification
IEC 61156-4, Multicore and symmetrical pair/quad cables for digital communications – Part 4:
Riser cables – Sectional specification
IEC 61156-5, Multicore and symmetrical pair/quad cables for digital communications – Part 5:
Symmetrical pair/quad cables with transmission characteristics up to 600 MHz – Horizontal
floor wiring – Sectional specification
IEC 61156-6, Multicore and symmetrical pair/quad cables for digital communications – Part 6:
Symmetrical pair/quad cables with transmission characteristics up to 1 000 MHz – Work area
wiring – Sectional specification
ISO/IEC 11801:2002, Information technology – Generic cabling for customer premises
ISO 1302, Geometrical product specifications (GPS) – Indication of surface texture in technical
product documentation
___________
This second edition of IEC 61076-3, is yet to be published.

– 10 – 61076-3-110 © IEC:2007
ITU-T K.20, Resistibility of telecommunication equipment installed in a telecommunications
centre to overvoltages and overcurrents
ITU-T K.44:2000, Resistibility tests for telecommunication equipment exposed to overvoltages
and overcurrents – Basic recommendation
EN 50289-1-14, Communication cables – Specification for test methods – Part 1-14: Electrical
test methods − Coupling attenuation or screening attenuation of connecting hardware
2 Technical information
2.1 Terms and definitions
The terminology used in and applicable to this specification is stated in 2.1 of IEC 61076-1.
IEC 60512-1 also contains applicable terms.
2.2 Systems of levels
2.2.1 Interchangeability level
These connectors are intermateable, interoperable and backward compatible with
IEC 61076-3-110 and IEC 60603-7 series connectors.
The interchangeability of these connectors, insofar as intermateability, interoperability and
backward compatibility requirements are concerned, are ensured for mated connectors when
individual connector halves are from different sources.
2.2.2 Intermateability
Intermateability is ensured by applying the “GO” and “NO-GO” gauge requirements as well as
adherence to the dimensional requirements.
2.2.3 Interoperability
Interoperability of different IEC 61076-3-110 connectors is ensured by compliance with all
transmission requirements when the connector is mated with the respective test-connector as
described in Annex C.
These connectors are interoperable with IEC 60603-7-7 and IEC 60603-7-71 series
connectors.
NOTE In this detail specification, the term “category”, when used in reference to transmission performance, refers
to those categories defined by ISO/IEC 11801.
2.2.4 Backward compatibility
The backward compatibility requirement ensures that a free connector or fixed connector,
which is in compliance with this detail specification, mated with a fixed connector or free
connector in compliance with IEC 60603-7-7 or IEC 60603-7-71 connectors, shall fully comply
with the respective requirements of IEC 60603-7-7 or IEC 60603-7-71 connectors.
2.3 Complete connectors (pairs)
Complete connectors engage a total of up to 12 contacts.
These connectors are interoperable with IEC 60603-7 series connectors.

61076-3-110 © IEC:2007 – 11 –
The IEC 61076-3-110 connector includes up to 12 contacts including up to 8 contacts
(1,2,3,4,5,6,7,8) that are similar to a standard IEC 60603-7 series connector. In addition, the
IEC 61076-3-110 connector includes up to 4 additional contacts (6’,3’,4’,5’) located on the
opposite side from the original contacts’ positions of a basic IEC 60603-7 series connectors.
2.4 Fixed connectors
IEC 61076-3-110 fixed connectors may include a rear cavity and side channels.
These features accommodate the switch actuator protrusions on IEC 60603-7-7 and
IEC 60603-7-71 free connectors.
2.5 Free connectors
IEC 61076-3-110 free connectors may include front and side protrusions.
The free connector front switch actuator protrusion may be provided for operating the
IEC 60603-7-7 or IEC 60603-7-71 fixed connector switch actuator, if present.
The free connector side protrusions may be provided for precluding mating with lower
frequency IEC 60603-7-X series fixed connectors.
2.6 Classification into climate categories
4.2.
Classification into climatic categories is specified in
2.7 Clearance and creepage distances
Clearance and creepage distances are specified in 4.4.1.
2.8 Current carrying capacity
Current carrying capacity is specified in 4.4.3.

– 12 – 61076-3-110 © IEC:2007
2.9 IEC type designation
Connectors, connector bodies and connectors with pre-inserted contacts according to this
specification shall be designated by the following system:

IEC 61076-3-110 L NN L L L N N N

Reference to Number denoting
this standard performance level

(PL)
750 operations
Letters denoting
2 500 operations
connector style 2
Fixed, cable mount
A
Fixed, board mount
B
Number denoting variant
Free, cable mount
C
(not used yet)
Number of contacts
04, 08, 12 Number denoting contact finish

Gold, gold-alloy
Letters denoting type of contact Palladium / nickel

Female
F
Male
M
Letters denoting type of conductor

accommodation or cable
Tinsel wire
A
Letters denoting type of termination
Stranded wire
B
Screw terminal
A
Solid wire
C
Spring - clamp
B
Tinsel or stranded
D
Crimp
C
Stranded or solid wire
E
Insulation displacement (IDC)
D
Tinsel, stranded or solid wire
F
Insulation piercing (IPC)
P
Board mounted
G
Solder
S
Customer specific requirements
X
Press-in connection
T for cables
Key
L letter
N number
EXAMPLE IEC 61076-3-110 A08FD-E11-1: Fixed connector, cable mount, having 8 female contacts with IDC
termination for stranded or solid wire, gold plated, meeting performance level 1.
2.10 Marking
The marking of the connector and the package shall be in accordance with 2.7 of the future
second edition of IEC 61076-3.

61076-3-110 © IEC:2007 – 13 –
3 Dimensional information
3.1 General
The shape of the connectors may deviate from those given in the following drawings as long as
the specified dimensions are not influenced.
Dimensions are given in millimetres.
Drawings are shown in first angle projection unless specifically stated otherwise in the figure.
3.2 Isometric view and common features

IEC  2277/07
Figure 1 – Isometric view, fixed 8 and 12 pole and free 8, 12
and 4 pole connectors
These connectors have common features, i.e. contacts arrangement, mating information and
coupling device.
These connectors have the same common features as IEC 60603-7 series connectors.
Mating alignment is controlled by a vertical and horizontal reference plane and by the centring
of the coupling device (latch)
3.3 Mating information
Common dimensions are given in Figure 2 and in Table 1.
Care shall be taken that contacts avoid interference with the plastic of the free connector.
The mating information shown can only be achieved with a free connector with a cable
attached.
– 14 – 61076-3-110 © IEC:2007
IEC  2278/07
Figure 2 – Physical interface, contacts interface dimensions

61076-3-110 © IEC:2007 – 15 –
Table 1 – Physical interface, contacts interface – Dimensions
Maximum Minimum
Letter mm mm
A2 1,45 0,89
B2 0,61 0,51
C2 0,46 0,03
D2 2,79
E2 4,11
F2 6,22
a
H2 0,38
J2 0,64 0,38
K2 6,15 5,89
b
M2 0,30
N2 0,28
c
P1 0,50 0,45
d
P3 0,50 0,36
R2 4,83
CK2 0,60 0,50
CR2 1,70
o
G2 (angle) 10
a
H2: Burrs shall not project above top of contact in this area.
b
M2: Minimum preferred contact configuration.
c
P1: preferred fixed connector contact configuration.
d
P3: optional fixed connector contact configuration.
View D: preferred contact interface detail.

3.4 Fixed connectors
3.4.1 Common dimensions for fixed connectors
Common dimensions are given in in Figure 3 and Figure 4 and in Table 2.
All internal corners in the connector cavity shall have a 0,38 mm radius maximum unless
otherwise specified.
Contacts are shown at rest. Contacts shall always be contained inside guide slots. Contacts
shall move freely within their guide slots.

– 16 – 61076-3-110 © IEC:2007
maximum taper
IEC  2279/07
Figure 3 – Physical interface, fixed connector, front view – Dimensions

IEC  2280/07
Figure 4 – Physical interface, fixed connector, side view – Dimensions

61076-3-110 © IEC:2007 – 17 –
Table 2 – Fixed connector common dimensions
Maximum Minimum Nominal
Letter mm mm mm
A1 1,47
B1 0,71
a
K1 5,84
S1 12,04 11,84 11,94
T1 4,19 3,94
W1 6,38 6,22
X1 6,86 6,68
Y1 2,34
b
AA1 1,24
AB1 0,38
AC1 6,96 6,76 6,86
AD1 0,13
c
AH1  1,02
AK1 8,66 8,38
d
AL1 1,40
e
AP1 1,27
CA1 2,30 2,20
CB1 3,95
CG1 0,10
a
CK1 0,65
CN1 1,40 1,30
CP1 5,05 4,95
CQ1 6,00 5,80
CS1  7,66
CT1 13,0 12,9
SA1 5,31
SB1 2,16
SD1 4,90
f
SE1 5,80
g, h
SG1 5,80
AJ1 (angle)  15°
a
K1, CK1: Contact zone. Contacts shall be completely within their individual contact zone
in the area indicated.
b
AA1: Preferred male free connector stop.
c
AH1: True position.
d
AL1: Front surface need not be planar or coincident with the surface below the locking
device, as long as insertion, latching and unlatching of free connectors is not inhibited.
Projections beyond AL1 dimension shall not prevent finger access to the free connector
locking (coupling) device.
e
AP1: Flat surface.
f
SE1: Maximum forward extension of contacts below surface AC1 to avoid contact with
shields of free connectors. Applies in the mated state.
g
SG1: To maintain the clearance requirement between signal conductors 6’,3’,4’,5’ of the
fixed connector and the screen of the free connector when the fixed connector is mated
with a IEC 60603-7-1,2,3,4,5 free connector. Note that SG1 is typically 0,0 mm in the
mated state with a IEC 60603-7-1,2,3,4,5 free connector.
h
SG1: Maximum forward extension of contacts above surface reference plane B, to avoid
contact with shields of free connectors. Applies in the mated state.

Care shall be taken that all screen contacts of the fixed connector always make contact with
the screen contacts of the free connector in worst case condition to ensure reliable
performance.
3.4.2 Fixed connector styles
3.4.2.1 Style A, fixed connector, cable mounted
Outside dimensions for cable mounted fixed connectors are not specified.

– 18 – 61076-3-110 © IEC:2007
3.4.2.2 Style B, fixed connector, board mounted

IEC  2281/07
Figure 5 – Fixed connector, board mounted – Example
3.5 Free connectors
Common dimensions are given in Figure 6 and in Table 3.
Full radius permitted on all contact slots.

61076-3-110 © IEC:2007 – 19 –
IEC  2282/07
Figure 6 – Physical interface, free connector – Dimensions

– 20 – 61076-3-110 © IEC:2007
Table 3 – Common dimensions – Free connector
Maximum Minimum Nominal
Letter mm mm mm
A2 1,45 0,89 1,17
B2 0,61 0,51 0,56
S2 11,79 11,58 11,68
T2 3,38 3,12
W2 6,17 6,02
X2 6,51 6,36
AA2 1,24
AB2 0,64 0,38
AC2 6,71 6,50 6,60
AD2 0,64 0,13
a
AH2  1,02
AX2 1,32
AY2 2,87 2,67
BA2 12,32
BB2 1,14 0,38
BC2 1,02 0,51
BF2 0,64
b
BL2 8,36
BM2 15,88 14,61
BN2 9,24
BP2 23,11
CA2 2,20 2,00
CB2 3,95 3,75
CG2 0,22 0,12
CN2 1,30 1,20
CP2 5,05 4,95
CQ2 5,70 5,50
a
CS2  7,66
CT2 12,85 12,75
SA2 4,22
SB2 2,11
SD2 4,95
SE2 6,85
SG2 6,85
a
AH2, CS2: These dimensions apply to the locations of the contact slots.
b
BL2: Applies with locking device depressed.

61076-3-110 © IEC:2007 – 21 –
3.6 Terminations
3.6.1 General
A connector may include multiple terminations between the cable termination and the
separable contact interface. These may include press-in (compliant pin) connections of fixed
connector springs into PCBs, for example. All terminations shall meet the relevant termination
requirements.
When a type of solderless termination is used which is not covered by any IEC specification,
and the supplier cannot demonstrate a similar level of performance, or there is no applicable
IEC 60352 standard to be used as reference, the supplier shall show conformance with the full
test schedule in 7.7 for all possible variations of terminations, e.g. each cable construction type
(screen construction types, wire construction (solid, flexible)) the connector is intended to be
used for.
Free connectors are intended to be terminated to cables to provide connector and cable
ass
...