1、BSI Standards PublicationReed switchesPart 1: Generic specificationBS EN 62246-1:2015National forewordThis British Standard is the UK implementation of EN 62246-1:2015. It is identical to IEC 62246-1:2015. It supersedes BS EN 62246-1:2011 which is withdrawn.The UK participation in its preparation wa
2、s entrusted to TechnicalCommittee EPL/94, General purpose relays and reed contact units.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for i
3、ts correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 81977 3ICS 29.120.70Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and
4、Strategy Committee on 31 March 2015.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 62246-1:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 62246-1 March 2015 ICS 29.120.70 Supersedes EN 62246-1:2011 English Version Reed switches - Part 1: Generic speci
5、fication (IEC 62246-1:2015) Contacts lames souples - Partie 1: Spcification gnrique (IEC 62246-1:2015) Reedschalter - Teil 1: Fachgrundspezifikation (IEC 62246-1:2015) This European Standard was approved by CENELEC on 2015-03-04. CENELEC members are bound to comply with the CEN/CENELEC Internal Regu
6、lations 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 CEN-CENELEC Management Centre or to any CENELEC
7、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 CEN-CENELEC Management Centre has the same status as the official ver
8、sions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, t
9、he Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Manag
10、ement Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62246-1:2015 E BS EN 62246-1:2015EN 62246-1:2015 - 2 - Foreword The text of document 94/377/FDIS, future edition 3 of IEC 62246-1,
11、prepared by IEC TC 94 “All-or-nothing electrical relays“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62246-1:2015. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standar
12、d or by endorsement (dop) 2015-12-04 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-03-04 This document supersedes EN 62246-1:2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
13、 rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62246-1:2015 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following n
14、otes have to be added for the standards indicated: IEC 60027 (series) NOTE Harmonized as EN 60027 (series). IEC 61000-4-5:2014 NOTE Harmonized as EN 61000-4-5:2014. IEC 61810-1:2008 NOTE Harmonized as EN 61810-1:2008. IEC 61810-2 NOTE Harmonized as EN 61810-2. IEC 62246-1-1:2013 NOTE Harmonized as E
15、N 62246-1-1:2013. IEC 61811-1 NOTE Harmonized as EN 61811-1. BS EN 62246-1:2015- 3 - EN 62246-1:2015 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this
16、 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. NOTE 1 When an International Publication has been modified by common modifications, ind
17、icated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60068-1 2013 Environmental testing - Part 1: General and guidance EN 60068-1 2014
18、IEC 60068-2-1 2007 Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 2007 IEC 60068-2-2 2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat EN 60068-2-2 2007 IEC 60068-2-6 2007 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 2008 I
19、EC 60068-2-7 1983 Basic environmental testing procedures - Part 2-7: Tests - Test Ga and guidance: Acceleration, steady state EN 60068-2-7 1993 IEC 60068-2-11 1981 Environmental testing - Part 2: Tests - Test Ka: Salt mist EN 60068-2-11 1999 IEC 60068-2-13 1983 Environmental testing - Part 2: Tests
20、- Test M: Low air pressure EN 60068-2-13 1999 IEC 60068-2-14 2009 Environmental testing - Part 2-14: Tests - Test N: Change of temperature EN 60068-2-14 2009 IEC 60068-2-17 1994 Basic environmental testing procedures - Part 2: Tests - Test Q: Sealing EN 60068-2-17 1994 IEC 60068-2-20 2008 Environmen
21、tal testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads EN 60068-2-20 2008 IEC 60068-2-21 2006 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices EN 60068-2-21 2006 IEC 600
22、68-2-27 2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock EN 60068-2-27 2009 IEC 60068-2-30 2005 Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle) EN 60068-2-30 2005 IEC 60068-2-78 - Environmental testing - Part 2-78: Tests - Test Cab
23、: Damp heat, steady state EN 60068-2-78 - IEC 60096 series Radio-frequency cables - series IEC 60947-5-1 2003 Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices EN 60947-5-1 2004 - - +corrigendum Nov. 2004 - -
24、 +corrigendum Jul. 2005 BS EN 62246-1:2015 2 IEC 62246-1:2015 IEC 2015 CONTENTS INTRODUCTION . 9 1 Scope 10 2 Normative references 10 3 Terms and definitions 11 3.1 Reed switch types . 11 3.2 Operating values . 12 3.3 Operating times (see Figure 4) 14 3.4 Contacts . 17 4 Rated values . 20 4.1 Genera
25、l . 20 4.2 Frequency of operation . 20 4.3 Duty factor 20 4.4 Open-circuit voltage across contacts . 20 4.5 Current rating . 20 4.6 Load ratings 20 4.7 Number of operations . 20 4.8 Climatic category 21 4.9 Environmental severities . 21 4.10 Surge voltage . 22 4.11 Classification 22 4.12 Contact rel
26、iability 22 5 Marking . 22 6 Test and measurement procedures 23 6.1 General . 23 6.2 Alternative procedures 23 6.3 Standard conditions for testing 23 6.4 Visual inspection and check of dimensions . 23 6.4.1 Visual inspection 23 6.4.2 Outline dimensions 24 6.4.3 Mass 24 6.4.4 Information to be stated
27、 in the detail specification 24 6.5 Functional tests 24 6.5.1 Procedures 24 6.5.2 Requirements 25 6.5.3 Information to be stated in the detail specification 25 6.6 Remanence test (see Figure 8) . 26 6.6.1 Procedure 26 6.6.2 Requirements 26 6.6.3 Information to be stated in the detail specification 2
28、6 6.7 Contact circuit resistance 27 6.7.1 Procedure 27 6.7.2 Requirements 27 6.7.3 Information to be stated in the detail specification 28 6.8 Dielectric test 28 6.8.1 Procedures 28 BS EN 62246-1:2015IEC 62246-1:2015 IEC 2015 3 6.8.2 Requirements 29 6.8.3 Information to be stated in the detail speci
29、fication 29 6.9 Insulation resistance . 29 6.9.1 Procedure 29 6.9.2 Requirements 30 6.9.3 Information to be stated in the detail specification 30 6.10 Operating times (see Figures 4, 10 and 11) 30 6.10.1 Procedure 30 6.10.2 Requirements 31 6.10.3 Information to be stated in the detail specification
30、31 6.11 Contact sticking 32 6.11.1 Thermal sticking 32 6.11.2 Magnetostrictive sticking 34 6.12 Robustness of terminals 35 6.12.1 Procedure 35 6.12.2 Requirements 35 6.12.3 Information to be stated in the detail specification 35 6.13 Soldering (solderability and resistance to soldering heat) 35 6.13
31、.1 Procedure 35 6.13.2 Requirements 35 6.13.3 Information to be stated in the detail specification 35 6.14 Climatic sequence 35 6.14.1 General . 35 6.14.2 Procedure 36 6.14.3 Requirements 36 6.14.4 Information to be stated in the detail specification 36 6.15 Damp heat, steady state . 37 6.15.1 Proce
32、dure 37 6.15.2 Requirements 37 6.15.3 Information to be stated in the detail specification 37 6.16 Rapid change of temperature 37 6.16.1 Procedure 37 6.16.2 Requirements 37 6.16.3 Information to be stated in the detail specification 37 6.17 Salt mist . 37 6.17.1 Procedure 37 6.17.2 Requirements 38 6
33、.17.3 Information to be stated in the detail specification 38 6.18 Vibration . 38 6.18.1 Vibration 1 Functional . 38 6.18.2 Vibration 2 Survival . 39 6.19 Shock . 39 6.19.1 Procedure 39 6.19.2 Requirements 40 6.19.3 Information to be stated in the detail specification 40 6.20 Acceleration test Funct
34、ional test only . 40 6.20.1 Procedure 40 6.20.2 Requirements 41 6.20.3 Information to be stated in the detail specification 41 BS EN 62246-1:2015 4 IEC 62246-1:2015 IEC 2015 6.21 Sealing . 41 6.21.1 Procedure 41 6.21.2 Requirements 41 6.21.3 Information to be stated in the detail specification 41 6.
35、22 Electrical endurance . 41 6.22.1 Types of electrical endurance test 41 6.22.2 Standard electrical endurance tests . 42 6.22.3 General test arrangements 42 6.22.4 Procedure 43 6.22.5 Standard load conditions . 44 6.22.6 Maximum load conditions . 47 6.22.7 Overload test conditions 47 6.22.8 Require
36、ments 47 6.22.9 Information to be stated in the detail specification 48 6.23 Mechanical endurance 49 6.23.1 General test arrangements 49 6.23.2 Procedure 49 6.23.3 Requirements 50 6.23.4 Information to be stated in the detail specification 50 6.24 Maximum cycling frequency 50 6.24.1 Procedure 50 6.2
37、4.2 Requirements 51 6.24.3 Information to be stated in the detail specification 51 6.25 Surge withstand test . 51 6.25.1 Procedure 51 6.25.2 Requirements 52 6.25.3 Information to be stated in the detail specification 52 6.26 Making and breaking capacities 52 6.26.1 General test arrangements 52 6.26.
38、2 Procedure 52 6.26.3 Requirements 52 6.26.4 Information to be stated in the detail specification 52 6.27 Conditional short-circuit current test 54 6.27.1 General test arrangements 54 6.27.2 Procedure 55 6.27.3 Requirements 55 6.27.4 Information to be stated in the detail specification 55 6.28 Conta
39、ct reliability test . 55 6.28.1 General . 55 6.28.2 Procedure 55 6.28.3 Requirements 56 6.28.4 Information to be stated in the detail specification 56 6.29 Temperature rise 57 6.29.1 Procedure 57 6.29.2 Requirements 58 6.29.3 Information to be stated in the detail specification 58 6.30 Making curren
40、t capacity test . 58 6.30.1 General . 58 6.30.2 Procedure 58 BS EN 62246-1:2015IEC 62246-1:2015 IEC 2015 5 6.30.3 Requirements 58 6.30.4 Information to be stated in the detail specification 59 6.31 Breaking current capacity test . 59 6.31.1 General . 59 6.31.2 Procedure 59 6.31.3 Requirements 60 6.3
41、1.4 Information to be stated in the detail specification 60 Annex A (normative) Standard test coils for reed switches . 62 Annex B (normative) Test systems . 64 Annex C (informative) Electrical endurance test circuit 66 Annex D (informative) Inrush current loads 68 D.1 Filament lamp loads 68 D.2 Cap
42、acitive loads . 68 Annex E (informative) Conditional short-circuit current test circuit 70 Annex F (informative) Electrical ratings based on classification (see Table F.1) . 71 Annex G (informative) Example of horsepower ratings . 72 Annex H (informative) Example of test arrangement for contact reli
43、ability test (see Figure H.1) . 73 Annex I (informative) Example of test arrangement for making current capacity test 75 Annex J (informative) Example of test arrangement for breaking current capacity test . 77 Bibliography 79 Figure 1 Example of reed switch structure . 12 Figure 2 Example of heavy-
44、duty reed switch structure . 12 Figure 3 Functional characteristics . 13 Figure 4 Time definitions 15 Figure 5 Contact diagram of make contact . 17 Figure 6 Contact diagram of break contact . 17 Figure 7 Contact diagram of change-over contact 18 Figure 8 Remanence test sequence . 27 Figure 9 Sequenc
45、e of contact circuit resistance measurement . 28 Figure 10 Test circuit for the measurement of release and bounce time of a make contact 31 Figure 11 Test circuit for the measurement of time parameters of a change-over contact 32 Figure A.1 Configuration of test coils . 62 Figure B.1 Test system 1 .
46、 64 Figure B.2 Test system 2 . 64 Figure C.1 Generalized endurance test circuit 66 Figure C.2 Functional block diagram 67 Figure D.1 Circuit for filament lamp load 68 Figure D.2 Example for capacitive load test . 69 Figure E.1 Conditional short-circuit current test circuit . 70 Figure H.1 Contact re
47、liability test circuit . 73 Figure I.1 Making current capacity test circuit 75 BS EN 62246-1:2015 6 IEC 62246-1:2015 IEC 2015 Figure I.2 Making current capacity test sequence . 75 Figure J.1 Breaking current capacity test circuit . 77 Figure J.2 Breaking current capacity test sequence . 77 Table 1 C
48、lassification . 22 Table 2 Resistive loads 45 Table 3 Loads 46 Table 4 Cables. 46 Table 5 Making and breaking capacity for electrical endurance tests . 46 Table 6 Maximum load conditions for endurance test . 47 Table 7 Overload test conditions for endurance test . 47 Table 8 Verification of making a
49、nd breaking capacity under normal conditions . 53 Table 9 Verification of making and breaking capacity under abnormal conditions . 54 Table A.1 List of standard test coils . 62 Table F.1 Examples of contact rating designation based on classification 71 Table G.1 Examples of horsepower ratings 72 BS EN 62246-1:2015IEC 62246-1:2015 IEC 2015 9 INTRODUCTION Reed switches which are in mass production and which are widely used in practice co
