AS NZS 61558.2.7-2001 Safety of power transformers, power supply units and similar.pdf
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1、AS/NZS 61558.2.7:2001 Australian/New Zealand Standard Safety of power transformers, power supply units and similar Part 2.7: Particular requirements for transformers for toys (IEC 61558-2-7:1997, MOD) AS/NZS 61558.2.7 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 22 Jun 2007 AS/NZS 61558.2.7:2001 Thi
2、s Joint Australian/New Zealand Standard was prepared by Joint Technical Committee EL/2 - Safety of household and similar electrical appliances and small power transformers. It was approved on behalf of the Council of Standards Australia on 2 October 2001 and on behalf of the Council of Standards New
3、 Zealand on 12 October 2001. It was published on 12 November 2001. The following interests are represented on Committee EL/2: Association of Certification Bodies Australian Chamber of Commerce and Industry Australian Electrical and Electronic Manufacturers Association Canterbury Manufacturers Associ
4、ation New Zealand Consumer Electronic Suppliers Association, Australia Electrical regulatory authorities, Australia Electrical test laboratories Electrical consultants Electricity Supply Association of Australia Institution of Engineers Australia Metal Trades Industries Association of Australia Mini
5、stry of Consumer Affairs, New Zealand Keeping Standards up-to-date Standards are living documents which reflect progress in science, technology and systems. To maintain their currency, all Standards are periodically reviewed, and new editions are published. Between editions, amendments may be issued
6、. Standards may also be withdrawn. It is important that readers assure themselves they are using a current Standard, which should include any amendments which may have been published since the Standard was purchased. Detailed information about joint Australian/New Zealand Standards can be found by v
7、isiting the Standards Australia web site at .au or Standards New Zealand web site at www.standards.co.nz and looking up the relevant Standard in the on-line catalogue. Alternatively, both organizations publish an annual printed Catalogue with full details of all current Standards. For more frequent
8、listings or notification of revisions, amendments and withdrawals, Standards Australia and Standards New Zealand offer a number of update options. For information about these services, users should contact their respective national Standards organization. We also welcome suggestions for improvement
9、in our Standards, and especially encourage readers to notify us immediately of any apparent inaccuracies or ambiguities. Please address your comments to the Chief Executive of either Standards Australia International or Standards New Zealand at the address shown on the back cover. This Standard was
10、issued in draft form for comment as DR 01944. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 22 Jun 2007 AS/NZS 61558.2.7:2001 (IEC 61558-2-7:1997, MOD) Australian/New Zealand Standard Safety of power transformers, power supply units and similar - Part 2.7: Particular requirements for transformers for
11、 toys (IEC 61558-2-7:1997, MOD) Originated, in part, in Australia as AS C126-1939 Second edition C126 1958 Revised and redesignated AS 3126 1981 (withdrawn 1989) Originated, in part, in Australia as AS C167-1962 Revised and redesignated AS 3167 1981 (withdrawn 1987) AS 3126 1981 and AS 3167 1981 wer
12、e revised and redesignated AS 3108.1-1984, AS 3108.2-1984 and AS 3108.3 1984 Revised, amalgamated and redesignated AS 3108 1990 First published in New Zealand as NZS/AS 3108:1990 Jointly revised and redesignated AS/NZS 3108:1994 Jointly revised and redesignated, in part, as AS/NZS 61558.2.7:2001 COP
13、YRIGHT Standards Australia/ Standards New Zealand All rights are reserved. No part of this work may be reproduced or copied in any form or by any means, electronic or mechanical, including photocopying, without the written permission of the publisher Published jointly by Standards Australia Internat
14、ional Ltd GPO Box 5420,Sydney, NSW 2001 Australia, and Standards New Zealand Private Bag 2439,Wellington 6020, New Zealand ISBN 0 7337 4422 2 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 22 Jun 2007 2 COPYRIGHT CONTENTS Page PREFACE.3 Clause 1Scope.5 2Normative references .5 3Definitions 5 4General
15、requirements.5 5General notes on tests .5 6Ratings.5 7Classification6 8Marking and other information 6 9Protection against accessibility to hazardous live parts.7 10Change of input voltage setting 7 11Output voltage and output current under load.7 12No-load output voltage .8 13Short-circuit voltage
16、.8 14Heating.8 15Short-circuit and overload protection 8 16Mechanical strength .9 17Protection against harmful ingress of dust, solid objects and moisture10 18Insulation resistance and electric strength10 19Construction.10 20Components.11 21Internal wiring.12 22Supply connection and other external f
17、lexible cable or cords12 23Terminals for external conductors.13 24Provision for protective earthing .13 25Screws and connections.13 26Creepage distances, clearances, and distances through insulation.13 27Resistance to heat, abnormal heat, fire and tracking 13 28Resistance to rusting13 Annexes .16 An
18、nex C Material group II 16 Annex D Material group I .16 Annex ZZ (informative) Variations to IEC 61558-2-7:1997 for application in Australia and New Zealand17 Figure 101 Small test finger .14 Figure 102 - Arrangement for impact test for transformers for toys15 Accessed by UNIVERSITY OF SOUTH AUSTRAL
19、IA on 22 Jun 2007 3 COPYRIGHT PREFACE This standard was prepared by the Joint Standards Australia/Standards New Zealand Committee EL-002- Safety of Household and Similar Electrical Appliances and Small Power Transformers, to supersede, AS/NZS 3108, Chapter 3, Section 2, two years from publication. T
20、he objective of this Standard is to provide manufacturers, designers, regulatory authorities, testing laboratories and similar organizations with safety requirements for the design, manufacture and testing of transformers for toys which can form the basis for approval by regulatory authorities. This
21、 Standard forms the first edition of AS/NZS 61558.2.7 Safety of power transformers, power supply units and similar - Part 2.7: Particular requirements for transformers for toys. This Standard is an adoption with national modifications and contains the full text of the first edition of IEC 61558-2-7:
22、1997, Safety of power transformers, power supply units and similar - Part 2-7: Particular requirements for transformers for toys and has been varied as indicated to take account of Australian and New Zealand conditions. It is to be used in conjunction with the latest edition of AS/NZS 61558.1 and it
23、s amendments. It was established on the basis of the first edition (2000) of that standard. This part 2 supplements or modifies the corresponding clauses of AS/NZS 61558.1 so as to convert it into the Australian/New Zealand Standard: Safety requirements for transformers for toys. Where a particular
24、subclause of part 1 is not mentioned in this part 2, that subclause applies as far as is reasonable. Where this Standard states “addition“, “modification“ or “replacement“, the relevant text in part 1 is to be adapted accordingly. NOTE 1 Subclauses, notes, tables and figures which are additional to
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