IEC PAS 61076-3-126:2018

IEC PAS 61076-3-126 ®
Edition 1.0 2018-01
PUBLICLY AVAILABLE
SPECIFICATION
Connectors for electrical and electronic equipment – Product requirements –
Part 3-126: Rectangular connectors – Detail specification for 5 pole power
connectors for industrial environments with push-pull locking
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IEC PAS 61076-3-126 ®
Edition 1.0 2018-01
PUBLICLY AVAILABLE
SPECIFICATION
Connectors for electrical and electronic equipment – Product requirements –

Part 3-126: Rectangular connectors – Detail specification for 5 pole power

connectors for industrial environments with push-pull locking

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ISBN 978-2-8322-5235-2
ICS 31.220.10
– 2 – IEC PAS 61076-3-126:2018 © IEC 2018
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 11
4 Technical information . 12
4.1 Systems of levels . 12
4.1.1 Performance levels . 12
4.1.2 Compatibility levels, according to IEC 61076-1:2006. 12
4.2 Classification into climatic categories . 12
4.3 Clearance and creepage distances . 12
4.4 Current-carrying capacity . 12
4.5 Marking . 12
5 Dimensional information . 13
5.1 Common features. 13
5.2 Reference system . 13
5.3 Engagement (mating) information . 13
5.3.1 Engaging (mating) direction . 13
5.3.2 Perpendicular to the engaging (mating) direction . 13
5.3.3 Inclination . 13
5.4 Fixed connectors . 14
5.4.1 Dimensions . 14
5.4.2 Electrical terminations . 16
5.5 Free connectors . 16
5.5.1 Dimensions . 16
5.5.2 Electrical terminations . 18
5.6 Accessories . 18
5.7 Mounting information for connectors . 19
5.8 Gauges . 19
5.8.1 Sizing gauges and retention force gauges . 19
5.8.2 Mechanical function, engaging/separating/insertion/withdrawal force
gauges . 20
5.8.3 Probes . 20
5.8.4 Contact resistance gauge . 20
5.8.5 Test panel (for voltage proof test) . 20
5.8.6 Test panel (for EMC/crosstalk, etc.) . 20
6 Characteristics . 20
6.1 General . 20
6.2 Pin assignment and other definitions . 21
6.3 Classification into climatic categories . 21
6.4 Electrical characteristics . 21
6.4.1 Creepage and clearance distances . 21
6.4.2 Voltage proof . 21
6.4.3 Current-carrying capacity . 22
6.4.4 Contact and shield resistance . 23
6.4.5 Insulation resistance . 23

6.4.6 Impedance . 24
6.4.7 Transmission characteristics . 24
6.5 Mechanical characteristics . 24
6.5.1 Mechanical operation . 24
6.5.2 Effectiveness of connector coupling devices . 24
6.5.3 Engaging and separating forces (or insertion and withdrawal forces) . 24
6.5.4 Contact retention in insert . 24
6.5.5 Polarizing and coding method . 25
6.6 Other characteristics . 25
6.6.1 Vibration (method half-sine) . 25
6.6.2 Shock (method half-sine) . 26
6.6.3 Degree of protection provided by enclosures (IP-code) . 26
6.6.4 Screen and shielding properties . 26
6.6.5 Static load test . 26
6.7 Environmental aspects . 26
6.7.1 Marking of insulation material (plastics) . 26
6.7.2 Design/use of material . 26
7 Test schedule . 26
7.1 General . 26
7.1.1 Overview . 26
7.1.2 Climatic category . 27
7.1.3 Creepage and clearance distances . 27
7.1.4 Arrangement for contact resistance measurement . 27
7.1.5 Arrangement for dynamic stress tests . 28
7.1.6 Arrangement for testing static load, axial . 28
7.1.7 Wiring of specimens . 28
7.2 Test schedules . 29
7.2.1 Basic (minimum) test schedule (Table 11) . 29
7.2.2 Full test schedule . 29
7.3 Test procedures and measuring methods . 41
7.4 Pre-conditioning . 41
7.5 Wiring and mounting of specimens . 42
7.5.1 Wiring . 42
7.5.2 Mounting . 42

Figure 1 – View showing mating direction . 13
Figure 2 – Fixed connector with male contacts . 14
Figure 3 – Free connector with female contacts . 17
Figure 4 – Mounting information – panel cut-out outline . 19
Figure 5 – Gauge dimensions . 20
Figure 6 – Connector de-rating curve . 23
Figure 7 – Stress test arrangement . 25
Figure 8 – Contact resistance arrangement . 28

Table 1 – Climatic category. 12
Table 2 – Dimensions of fixed connector . 15
Table 3 – Dimensions of free connector . 18

– 4 – IEC PAS 61076-3-126:2018 © IEC 2018
Table 4 – Mounting dimensions .
...