EN 61558-2-9:2003

STANDARDSafety of power transformers, power supply units and similar products - Part 2-9: Particular requirements for transformers for class III handlamps for tungsten filament lamps©
Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljenoReferenčna številkaSIST EN 61558-2-9:2003(en)ICS29.180

EUROPEAN STANDARD
EN 61558-2-9 NORME EUROPÉENNE EUROPÄISCHE NORM
January 2003 CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61558-2-9:2003 E
ICS 29.180 Supersedes EN 60742:1995
English version
Safety of power transformers, power supply units and similar products Part 2-9: Particular requirements for transformers
for class III handlamps for tungsten filament lamps (IEC 61558-2-9:2002)
Sécurité des transformateurs, blocs d'alimentation et produits analogues Partie 2-9: Règles particulières
pour les transformateurs pour baladeuses de class III pour lampes à filament
de tungstène (CEI 61558-2-9:2002)
Sicherheit von Transformatoren, Netzgeräten und dergleichen Teil 2-9: Besondere Anforderungen
an Transformatoren für Handleuchten der Schutzklasse III für Wolframdrahtlampen (IEC 61558-2-9:2002)
This European Standard was approved by CENELEC on 2002-12-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations 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 Central Secretariat or to any CENELEC 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 Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom.

This Part 2-9 of EN 61558 replaces section 4 of chapter III of EN 60742:1995.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement
(dop) 2003-09-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow) 2005-12-01
This Part 2-9 is intended to be used in conjunction with EN 61558-1:1997. This Part 2-9 supplements or modifies the corresponding clauses in EN 61558-1, so as to convert that publication into the European Standard: Particular requirements for transformers for class III handlamps for tungsten filament lamps. When a particular subclause of Part 1 is not mentioned in this Part 2-9, that subclause applies as far as is reasonable. Where this Part 2-9 states “addition”, “modification” or “replacement”, the relevant text of Part 1 is to be adapted accordingly. In this standard, the following print types are used: - requirements proper: in roman type; - test specifications: in italic type; - explanatory matter: in smaller roman type. In the text of this standard the words in bold are defined in clause 3. Subclauses which are additional to those in Part 1 are numbered starting from 101. __________ Endorsement notice The text of the International Standard IEC 61558-2-9:2002 was approved by CENELEC as a European Standard without any modification. __________

NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD61558-2-9Première éditionFirst edition2002-07Sécurité des transformateurs, blocsd'alimentation et produits analogues –Partie 2-9:Règles particulières pour les transformateurspour baladeuses de classe III pour lampesà filament de tungstèneSafety of power transformers, power supplyunits and similar products –Part 2-9:Particular requirements for transformersfor class III handlamps for tungstenfilament lampsPour prix, voir catalogue en vigueurFor price, see current catalogue IEC 2002
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Copyright - all rights reservedAucune partie de cette publication ne peut être reproduite niutilisée sous quelque forme que ce soit et par aucun procédé,électronique ou mécanique, y compris la photo-copie et lesmicrofilms, sans l'accord écrit de l'éditeur.No part of this publication may be reproduced or utilized in anyform or by any means, electronic or mechanical, includingphotocopying and microfilm, without permission in writing fromthe publisher.International Electrotechnical Commission,
3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, SwitzerlandTelephone: +41 22 919 02 11
Telefax: +41 22 919 03 00
E-mail: inmail@iec.ch
Web: www.iec.chCommission Electrotechnique InternationaleInternational Electrotechnical Commission
NCODE PRIXPRICE CODEPUBLICATION GROUPÉE DE SÉCURITÉGROUP SAFETY PUBLICATION

61558-2-9  IEC:2002– 3 –CONTENTSFOREWORD.51Scope.112Normative references.133Definitions.134General requirements.135General notes on tests.136Ratings.137Classification.138Marking and other information.159Protection against accessibility of hazardous live parts.1510Change of input voltage setting.1711Output voltage and output current under load.1712No-load output voltage.1713Short-circuit voltage.1914Heating.1915Short-circuit and overload protection.1916Mechanical strength.1917Protection against harmful ingress of dust, solid objects and moisture.1918Insulation resistance and dielectric strength.1919Construction.1920Components.2321Internal wiring.2322Supply connection and other external flexible cables or cords.2323Terminals for external conductors.2524Provision for protective earthing.2525Screws and connections.2526Creepage distances, clearances and distances through insulation.2527Resistance to heat, abnormal heat, fire, and tracking.2528Resistance to rusting.25Annexes.27Table 101 – Output voltages ratio for transformers for class III handlampsfor tungsten filament lamps.19

61558-2-9  IEC:2002– 5 –INTERNATIONAL ELECTROTECHNICAL COMMISSION____________SAFETY OF POWER TRANSFORMERS, POWER SUPPLY UNITSAND SIMILAR PRODUCTS –Part 2-9: Particular requirements for transformersfor class III handlamps for tungsten filament lampsFOREWORD1)The IEC (International Electrotechnical Commission) is a world-wide organization for standardization comprisingall national electrotechnical committees (IEC National Committees). The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields. Tothis end and in addition to other activities, the IEC publishes International Standards. Their preparation isentrusted to technical committees; any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work. International, governmental and non-governmental organizations liaisingwith the IEC also participate in this preparation. The IEC collaborates closely with the International Organizationfor Standardisation (ISO) in accordance with conditions determined by agreement between the twoorganizations.2)The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, aninternational consensus of opinion on the relevant subjects since each technical committee has representationfrom all interested National Committees.3)The documents produced have the form of recommendations for international use and are published in the formof standards, technical specifications, technical reports or guides and they are accepted by the NationalCommittees in that sense.4)In order to promote international unification, IEC National Committees undertake to apply IEC InternationalStandards transparently to the maximum extent possible in their national and regional standards. Anydivergence between the IEC Standard and the corresponding national or regional standard shall be clearlyindicated in the latter.5)The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for anyequipment declared to be in conformity with one of its standards.6)Attention is drawn to the possibility that some of the elements of this International Standard may be the subjectof patents rights. The IEC shall not be held responsible for identifying any or all such patents rights.International Standard IEC 61558-2-9 has been prepared by IEC technical committee 96: Smallpower transformers, reactors, supply units and similar products.It has the status of a group safety publication in accordance with IEC Guide 104.The text of this standard is based upon the following documents:FDISReport on voting96/184/FDIS96/185/RVDFull information on the voting for the approval of this standard can be found in the report onvoting indicated in the above table.This publication has been drafted in accordance with the ISO/IEC Directives, Part 3.This Part 2-9 is intended to be used in conjunction with IEC 61558-1. It was established on thebasis of the first edition (1997) of that standard and its amendment 1 (1998).This Part 2-9 supplements or modifies the corresponding clauses in IEC 61558-1, so as toconvert that publication into the IEC standard: Particular requirements for transformers forclass III handlamps for tungsten filament lamps.

61558-2-9  IEC:2002– 7 –When a particular subclause of Part 1 is not mentioned in this Part 2-9, that subclause appliesas far as is reasonable. Where this standard states “addition”, “modification” or “replacement”,the relevant text of Part 1 is to be adapted accordingly.In this standard, the following print types are used:− requirements proper: in roman type;− test specifications: in italic type;− explanatory matter: in smaller roman type.In the text of this standard the words in bold are defined in clause 3.Subclauses which are additional to those in Part 1 are numbered starting from 101.This standard constitutes part 2-9 of the IEC 61558 series, published under the general titleSafety of power transformers, reactors, power supply units, and similar products.1 This seriesconsists of Part 1, devoted to general requirements and tests, and various parts 2, devoted toparticular requirements, some of which replace sections and/or chapters of IEC 60742 orIEC 60989. This part 2 replaces section 4 of chapter III of IEC 60742.At the time of the publication of this part, the following
parts 2 had already been published orwere in the process of being published.• Part 2-1: Particular requirements for separating transformers for general use (replaceschapter I of IEC 60989)• Part 2-2: Particular requirements for control transformers (replaces section 1 of chapter IIof IEC 60989)• Part 2-3: Particular requirements for ignition transformers for gas and oil burners (replacessection 2 of chapter II of IEC 60989)• Part 2-4: Particular requirements for isolating transformers for general use (replaceschapter I of IEC 60742)• Part 2-5: Particular requirements for shaver transformers and shaver supply units (replacessection 1 of chapter II of IEC 60742)• Part 2-6: Particular requirements for safety isolating transformers for general use (replacessection 1 of chapter III of IEC 60742)• Part 2-7: Particular requirements for transformers for toys (replaces section 2 of chapter IIIof IEC 60742)• Part 2-8: Particular requirements for bell and chime transformers (replaces section
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