IEC 61076-2-104:2008

Connectors for electronic equipment - Product requirements - Part 2-104: Circular connectors - Detail specification for circular connectors with M8 screw-locking or snap-locking

IEC 61076-2-104:2008 describes circular connectors M8 screw-locking or with nominal diameter 8 mm snap-locking, typically used for industrial process measurement and control. These connectors consist of fixed and free connectors either rewireable or non-rewireable. Male connectors have round contacts diameter of 1,0 mm.

Connecteurs pour équipements électroniques - Exigences de produit - Partie 2-104: Connecteurs circulaires - Spécification particulière pour les connecteurs circulaires M8 à vis ou à encliquetage

La CEI 61076-2-104:2008 décrit les connecteurs circulaires M8 à vis ou de diamètre nominal de 8 mm à encliquetage, généralement utilisés pour les dispositifs de mesure et de commande dans les processus industriels. Ces connecteurs se composent d'embases et de fiches, démontables ou non. Les connecteurs mâles possèdent des contacts arrondis de diamètre 1,0 mm.

General Information

• Status: Published
• Publication Date: 08-May-2008
• ICS: 31.220.10 - Plug-and-socket devices. Connectors
• Technical Committee: SC 48B - Electrical connectors
• Current Stage: DELPUB - Deleted Publication
• Completion Date: 09-Sep-2014

Relations

• Revised: IEC 61076-2-104:2014 - Connectors for electronic equipment - Product requirements - Part 2-104: Circular connectors - Detail specification for circular connectors with M8 screw-locking or snap-locking
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 61076-2-104
Edition 1.0 2008-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Connectors for electronic equipment – Product requirements –
Part 2-104: Circular connectors – Detail specification for circular connectors
with M8 screw-locking or snap-locking

Connecteurs pour équipements électroniques – Exigences de produit –
Partie 2-104: Connecteurs circulaires – Spécification particulière pour les
connecteurs circulaires M8 à vis ou à encliquetage

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IEC 61076-2-104
Edition 1.0 2008-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Connectors for electronic equipment – Product requirements –
Part 2-104: Circular connectors – Detail specification for circular connectors
with M8 screw-locking or snap-locking

Connecteurs pour équipements électroniques – Exigences de produit –
Partie 2-104: Connecteurs circulaires – Spécification particulière pour les
connecteurs circulaires M8 à vis ou à encliquetage

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
V
CODE PRIX
ICS 31.220.10 ISBN 2-8318-9670-3

– 2 – 61076-2-104 © IEC:2008
CONTENTS
FOREWORD.5
1 General information.8
1.1 Scope.8
1.2 Recommended method of termination .8
1.2.1 Number of contacts or contact cavities .8
1.3 Ratings and characteristics .8
1.4 Normative references .8
1.5 Marking .9
1.6 IEC Type designation .10
1.7 Ordering information.10
1.8 Safety aspects.11
2 Technical information .11
2.1 Terms and definitions .11
2.2 Survey of styles and variants.11
2.2.1 General .11
2.2.2 Fixed connectors .11
2.2.3 Free connectors .13
3 Dimensions .18
3.1 General .18
3.2 Interface dimensions .19
3.2.1 Pin front view A-coding.19
3.2.2 Pin front view B-Coding .20
3.3 Engagement (mating) information.21
3.4 Gauges .23
4 Characteristics .23
4.1 Climatic category.23
4.2 Electrical .23
4.2.1 Rated voltage – Rated impulse voltage – Pollution degree.23
4.2.2 Voltage proof.24
4.2.3 Current-carrying capacity.24
4.2.4 Contact resistance.24
4.2.5 Insulation resistance.24
4.3 Mechanical.24
4.3.1 IP degree of protection .24
4.3.2 Mechanical operation .25
4.3.3 Insertion and withdrawal forces .25
4.3.4 Contact retention in insert.25
4.3.5 Polarizing method.25
4.3.6 Vibration (sinusoidal).25
5 Test schedule.26
5.1 General .26
5.1.1 Arrangement for contact resistance measurements.26
5.1.2 Arrangement for dynamic stress tests (vibration) .28
5.2 Test schedule.29
5.2.1 Test group P – Preliminary .29
5.2.2 Test group AP – Dynamic/ Climatic.29

61076-2-104 © IEC:2008 – 3 –
5.2.3 Test group BP – Mechanical endurance.32
5.2.4 Test group CP – Electrical load .33
5.2.5 Test group DP – Chemical resistivity .34
5.2.6 Test group EP – Connection method tests .34
Annex A (informative) Diameter of the female connector body .35

Figure 1 – Tube insert, male contacts dip solder, mounting long version.11
Figure 2 – Tube insert, male contacts dip solder, mounting short version.12
Figure 3 – Fixed connector with wire ends, male contacts, single hole mounting.12
Figure 4 – Fixed connector with wire ends, female contacts, single hole mounting.13
Figure 5 – Rewireable connector, male contacts, straight version, with locking nut .14
Figure 6 – Rewireable connector, male contacts, right angled version, with locking nut .14
Figure 7 – Non-rewireable connector, male contacts, straight version, snap locking.15
Figure 8 – Non-rewireable connector, male contacts, straight version, with locking nut .15
Figure 9 – Non-rewireable connector, male contacts, angled version, with locking nut .15
Figure 10 – Rewireable connector, female contacts, straight version, with locking nut .16
Figure 11 – Rewireable connector, female contacts, right angled version, with locking nut.16
Figure 12 – Non-rewireable connector, female contacts, straight version, snap locking.16
Figure 13 – Non-rewireable connector, female contacts, angled version, snap locking .17
Figure 14 – Non-rewireable connector, female contacts, straight version, with locking nut .17
Figure 15 – Non-rewireable connector, female contacts, angled version with locking nut .17
Figure 16 – Pin front view A-coding .19
Figure 17 – Contact position A-Coding front view.20
Figure 18 – Pin front view B-Coding.20
Figure 19 – Contact position – B-Coding - front view.20
Figure 20 – Engagement (mating) information.21
Figure 21 – Gauge dimensions .23
Figure 22 – Contact resistance arrangement.27
Figure 23 – Dynamic stress test arrangement .28
Figure A.1 – Diameter of the female connector body, coding variant A.35
Figure A.2 – Shape of the female connector body, coding variant B.35

Table 1 – Styles of fixed connectors .11
Table 2 – Styles of free connectors.13
Table 3 – Connectors dimensions in mated and locked position.22
Table 4 – Gauges .23
Table
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