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IEC 61810-4
Edition 1.0 2020-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electromechanical elementary relays –
Part 4: General and safety requirements for reed relays
Relais électromécaniques élémentaires –
Partie 4: Exigences générales et de sécurité relatives aux relais à lames souples
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IEC 61810-4
Edition 1.0 2020-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electromechanical elementary relays –
Part 4: General and safety requirements for reed relays
Relais électromécaniques élémentaires –
Partie 4: Exigences générales et de sécurité relatives aux relais à lames souples
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.70 ISBN 978-2-8322-9010-1
– 2 – IEC 61810-4:2020 © IEC 2020
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Influence quantities . 10
5 Rated values . 10
6 General provisions for testing . 11
6.1 General . 11
6.2 Type tests . 11
6.3 Routine tests. 12
6.4 Special tests . 13
7 Documentation and marking . 13
8 Heating . 14
9 Basic operating function . 14
10 Dielectric strength . 15
11 Electrical endurance . 16
12 Mechanical endurance . 16
13 Clearances, creepage distances and solid insulation . 16
13.1 General provisions . 16
14 Terminations . 16
15 Sealing . 16
16 Heat and fire resistance . 16
17 Short circuit capacity . 17
18 Vibration . 17
18.1 Procedure . 17
18.2 Requirements . 17
19 Shock . 17
19.1 Procedure . 17
19.2 Requirements . 18
Annexes . 19
Annex A (normative) Explanation regarding reed contacts of reed relays . 20
Annex P (informative) High frequency characteristics test . 21
P.1 General . 21
P.2 Procedures . 21
P.3 Requirements . 22
Annex Q (informative) Special tests – Tests for environmental category . 23
Q.1 General . 23
Q.2 Classification of equipment . 23
Q.3 Special tests for applications . 23
Q.4 Railway applications – Rolling stock. 23
Q.5 Tests and requirements . 24
Bibliography . 27
Figure 1 – Example of test arrangement for multi mounting . 14
Figure A.1 – Example explaining terms relating to reed contacts of reed relay . 20
Figure P.1 – Measurement circuit for scattering parameters measurement . 22
Table 1 – Insulation resistance . 10
Table 2 – Frequency range . 11
Table 3 – Type testing . 12
Table 4 – Routine tests . 12
Table 5 – Special relays data . 13
Table 6 – Dielectric voltage . 15
Table 7 – Vibration test conditions . 17
Table 8 – Shock test conditions . 17
Table Q.1 – Special requirements for railway applications – rolling stock . 24
Table Q.2 – Special tests for railway applications – rolling stock . 24
– 4 – IEC 61810-4:2020 © IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTROMECHANICAL ELEMENTARY RELAYS –
Part 4: General and safety requirements for reed relays
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,
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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 Committe
...