1、 IEC 61810-3 Edition 1.0 2015-02 INTERNATIONAL STANDARD NORME INTERNATIONALE Electromechanical elementary relays Part 3: Relays with forcibly guided (mechanically linked) contacts Relais lectromcaniques lmentaires Partie 3: Relais contacts guids (lis mcaniquement) IEC 61810-3:2015-02(en-fr) THIS PUB
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19、sirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 61810-3 Edition 1.0 2015-02 INTERNATIONAL STANDARD NORME INTERNATIONALE Electromechanical elementary relays Part 3: Relays with forcibly guided (mechanically linked) contacts Relais
20、lectromcaniques lmentaires Partie 3: Relais contacts guids (lis mcaniquement) INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 29.120.70 ISBN 978-2-8322-2236-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission
21、Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 61810-3:2015 IEC 2015 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope 6 2 Normat
22、ive references . 6 3 Terms and definitions. 6 4 Functional requirements . 7 4.1 Forcibly guided (mechanically linked) operation . 7 4.2 Changeover contacts . 7 4.3 Mechanical endurance. 8 4.4 Electrical endurance 8 4.5 Operating conditions . 8 4.5.1 Ambient temperature 8 4.5.2 Energizing quantity .
23、8 4.6 Characteristic values and marking . 8 4.6.1 Characteristic values 8 4.6.2 Marking . 8 5 Verification and type tests 9 5.1 Design verification . 9 5.2 Type tests . 9 5.3 Test procedure 10 5.3.1 Testing for failure to open 10 5.3.2 Mechanical and electrical endurance 10 Bibliography 11 Figure 1
24、Symbol for a forcibly guided (mechanically linked) contact set, type A . 8 Figure 2 Symbols for use on type B relays 9 IEC 61810-3:2015 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTROMECHANICAL ELEMENTARY RELAYS Part 3: Relays with forcibly guided (mechanically linked) contacts FOREWO
25、RD 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 elect
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34、, 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 t
35、hat 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 61810-3 has been prepared by IEC technical committee 94: All-or- nothing electrical relays. The content of
36、 this standard was already published in EN 50205:2002. The revisions in this standard only involve editorial changes and update of references. The text of this standard is based on the following documents: FDIS Report on voting 94/378/FDIS 94/382/RVD Full information on the voting for the approval o
37、f this standard can be found in the report on voting indicated in the above table. 4 IEC 61810-3:2015 IEC 2015 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of IEC 61810 series, published under the general title Electromechanical elementary
38、relays can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be rec
39、onfirmed, withdrawn, replaced by a revised edition, or amended. IEC 61810-3:2015 IEC 2015 5 INTRODUCTION This Standard applies to elementary relays in which special design and constructional measures are used to ensure that make (normally-open) contacts cannot assume the same state as break (normall
40、y-closed) contacts. These relays can be used in self-monitoring control systems, e.g. safety-related control systems. 6 IEC 61810-3:2015 IEC 2015 ELECTROMECHANICAL ELEMENTARY RELAYS Part 3: Relays with forcibly guided (mechanically linked) contacts 1 Scope This part of IEC 61810 specifies special re
41、quirements and tests for elementary relays with forcibly guided contacts, also known as mechanically linked contacts. These special requirements apply in addition to the general requirements of IEC 61810-1. NOTE 1 This standard does not apply to electromechanical control circuit devices as described
42、 in IEC 60947-5-1. NOTE 2 IEC 61810-2-1 provides guidelines for the assignment of reliability values. NOTE 3 Contacts that are not mechanically linked (forcibly guided) are not considered in this standard. 2 Normative references The following documents, in whole or in part, are normatively reference
43、d in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60947-5-1, Low-voltage switchgear and controlgear Part 5-1: Control circui
44、t devices and switching elements Electromechanical control circuit devices IEC 61810-1:2015, Electromechanical elementary relays Part 1: General and safety requirements IEC 61810-7, Electromechanical elementary relays Part 7: Test and measurement procedures 3 Terms and definitions For the purposes o
45、f this document, the following terms and definitions apply. 3.1 elementary relay non-specified time all-or-nothing relay Note 1 to entry: In this document the word “elementary” is sometimes omitted for clarity. SOURCE: IEC 60050-444:2002, 444-01-03, modified modification of the definition 3.2 failur
46、e to open fault condition when a contact does not open when expected to do so 3.3 failure criteria specified conditions to judge if a fault or malfunction is a failure IEC 61810-3:2015 IEC 2015 7 3.4 fault fault condition deviation of the existing condition from the expected condition 3.5 failure te
47、rmination of the ability of an item to perform a required function as defined in the failure criteria 3.6 relay with mechanically linked contacts relay with forcibly guided contacts elementary relay with at least one make contact and at least one break contact and including mechanical measures to pr
48、event any make contact(s) and any break contact(s) being in the closed position simultaneously 3.7 type A relay in which all contacts are mechanically linked 3.8 type B relay containing contacts that are mechanically linked to each other as well as contacts that are not mechanically linked 4 Functio
49、nal requirements 4.1 Forcibly guided (mechanically linked) operation The relay shall be designed such that if a make contact is closed, none of the mechanically linked break contacts can close and that if a break contact is closed, none of the mechanically linked make contacts can close. These requirements apply throughout the lifetime of the relay and under reasonably foreseeable failure conditions. The
