IEC-62246-2-2007.pdf
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1、 IEC 62246-2 Edition 1.0 2007-10 INTERNATIONAL STANDARD Reed contact units Part 2: Heavy-duty reed switches IEC 62246-2:2007(E) Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 10/17/2007 02
2、:53:29 MDTNo reproduction or networking permitted without license from IHS -,-,- THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, ele
3、ctronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please
4、 contact the address below or your local IEC member National Committee for further information. IEC Central Office 3, rue de Varemb CH-1211 Geneva 20 Switzerland Email: inmailiec.ch Web: www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization t
5、hat prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might
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7、ec.ch/online_news/justpub Stay up to date on all new IEC publications. Just Published details twice a month all new publications released. Available on-line and also by email. ? Electropedia: www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more
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9、r assistance, please visit the Customer Service Centre FAQ or contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 10/17
10、/2007 02:53:29 MDTNo reproduction or networking permitted without license from IHS -,-,- IEC 62246-2 Edition 1.0 2007-10 INTERNATIONAL STANDARD Reed contact units Part 2: Heavy-duty reed switches INTERNATIONAL ELECTROTECHNICAL COMMISSION V ICS 29.120.70 PRICE CODE ISBN 2-8318-9330-5 Copyright Intern
11、ational Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 10/17/2007 02:53:29 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 62246-2 IEC:2007(E) CONTENTS FOREWORD.5 1 General 7 1.1 Scope
12、7 1.2 Normative references 7 1.3 Terms, definitions, abbreviations and symbols.7 1.4 Preferred values8 1.4.1 Frequency of operation8 1.4.2 Duty cycle .8 1.4.3 Open-circuit voltage across contacts .8 1.4.4 Current ratings 8 1.4.5 Load ratings 8 1.4.6 Number of operations 8 1.4.7 Climatic category.8 1
13、.4.8 Preferred environmental severities 8 1.4.9 Rated operational voltage; Ue.8 1.4.10 Rated switching current; Ie9 1.4.11 Rated insulation voltage 9 1.4.12 Rated impulse voltage .9 1.4.13 Utilization categories .9 1.4.14 Contact reliability.9 1.4.15 Limiting continuous current; Ith9 1.5 Marking .10
14、 1.6 Order of precedence .10 1.7 Precautions regarding mercury (for mercury wetted contact units).10 2 Quality assessment procedures10 2.1 General.10 2.2 Self-certification 10 2.3 Two-party certification .10 2.4 Third-party certification10 3 Test and measurement procedures.11 3.1 General.11 3.2 Alte
15、rnative procedures 11 3.3 Standard conditions for testing 11 3.4 Visual inspection and check of dimensions11 3.5 Functional tests.11 3.6 Remanence test 11 3.7 Contact circuit resistance 11 3.8 Dielectric test 11 3.9 Insulation resistance .11 3.10 Operate, release, transfer or bridging, and bounce ti
16、mes.11 3.11 Contact sticking.12 3.12 Robustness of terminals12 3.13 Soldering (solderability and resistance to soldering heat) 12 3.14 Climatic sequence.12 3.15 Damp heat, steady state12 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/
17、1111111001, User=Wing, Bernie Not for Resale, 10/17/2007 02:53:29 MDTNo reproduction or networking permitted without license from IHS -,-,- 62246-2 IEC:2007(E) 3 3.16 Rapid change of temperature 12 3.17 Salt mist12 3.18 Bump 12 3.19 Vibration12 3.20 Shock12 3.21 Acceleration test Functional test onl
18、y .12 3.22 Sealing12 3.23 Electrical endurance12 3.23.1 General .12 3.23.2 Types of electrical endurance test .13 3.23.3 Standard electrical endurance test.13 3.23.4 Application simulation endurance test14 3.23.5 Requirements 14 3.23.6 Information to be stated in the detail specification .14 3.24 Me
19、chanical endurance.15 3.25 Maximum cycling frequency.15 3.26 Mounting position test (for mercury wetted contact units) 15 3.27 Drain time test (for mercury wetted contact units)15 3.28 Voltage surge test .15 3.29 Rated impulse voltage.15 3.29.1 Procedure15 3.29.2 Requirements 16 3.29.3 Information t
20、o be stated in the detail specification .16 3.30 Rated making and breaking capacities 16 3.30.1 General test arrangements 16 3.30.2 Procedure16 3.30.3 Requirements 16 3.30.4 Information to be stated in the detail specification .16 3.31 Rated conditional short-circuit current .19 3.31.1 General test
21、arrangements 19 3.31.2 Procedure19 3.31.3 Requirements 19 3.31.4 Information to be stated in the detail specification .20 3.32 Contact reliability test20 3.32.1 General test arrangements 20 3.32.2 Procedure20 3.32.3 Requirements 21 3.32.4 Information to be stated in the detail specification .21 3.33
22、 Temperature rise.22 3.33.1 Procedure22 3.33.2 Requirements 22 3.33.3 Information to be stated in the detail specification .22 3.34 Making current capacity test23 3.34.1 General .23 3.34.2 Procedure23 3.34.3 Requirements 23 3.34.4 Information to be stated in the detail specification .23 3.35 Breakin
23、g current capacity test .24 3.35.1 General .24 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 10/17/2007 02:53:29 MDTNo reproduction or networking permitted without license from IHS -,-,-
24、4 62246-2 IEC:2007(E) 3.35.2 Procedure24 3.35.3 Requirements 24 3.35.4 Information to be stated in the detail specification .24 Annex A (informative) Electrical endurance test circuit.26 Annex B (informative) Rated conditional short-circuit current test circuit 28 Annex C (informative) Electrical ra
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