1、 IEC 60598-2-24 Edition 2.0 2013-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Luminaires Part 2-24: Particular requirements Luminaires with limited surface temperatures Luminaires Partie 2-24: Exigences particulires Luminaires avec surfaces tempratures limites IEC60598-2-24:2013 THIS PUBLICATION I
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16、NALE Luminaires Part 2-24: Particular requirements Luminaires with limited surface temperatures Luminaires Partie 2-24: Exigences particulires Luminaires avec surfaces tempratures limites INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE J ICS 29.140.40 PRICE CODE
17、CODE PRIX ISBN 978-2-83220-867-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez ob
18、tenu cette publication via un distributeur agr. 2 60598-2-24 IEC:2013 CONTENTS FOREWORD . 3 24.1 Scope 5 24.2 Normative references 5 24.3 General test requirements 5 24.4 Terms and definitions 5 24.5 Classification of luminaires 6 24.6 Marking . 6 24.7 Construction 6 24.8 Creepage distances and clea
19、rances . 7 24.9 Provision for earthing . 7 24.10 Terminals and electrical connections 7 24.11 External and internal wiring 7 24.12 Protection against electric shock 7 24.13 Endurance test and thermal test. 7 24.13.1 Temperature limits normal operation . 7 24.13.2 Temperature limits abnormal operatio
20、n . 8 24.13.3 Temperature limits fault conditions . 8 24.14 Resistance to dust, solid objects and moisture . 8 24.15 Insulation resistance and electric strength 8 24.16 Resistance to heat, fire and tracking 8 Figure 1 Symbol for luminaires with limited surface temperatures . 6 60598-2-24 IEC:2013 3
21、INTERNATIONAL ELECTROTECHNICAL COMMISSION _ LUMINAIRES Part 2-24: Particular requirements Luminaires with limited surface temperatures FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (
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31、 of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that 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 r
32、ights. International Standard IEC 60598-2-24 has been prepared by subcommittee 34D: Luminaires, of IEC technical committee 34: Lamps and related equipment. This publication is intended to be read in conjunction with IEC 60598-1: Luminaires Part 1: General requirements and tests. This second edition
33、cancels and replaces the first edition published in 1997. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) change of required degree of protection from IP6X to IP4X to harmonize with the international wiri
34、ng rules; b) temperature limits introduced for glass surface of any light source exposed to risk of dust. 4 60598-2-24 IEC:2013 The text of this standard is based on the following documents: FDIS Report on voting 34D/1094/FDIS 34D/1100/RVD Full information on the voting for the approval of this stan
35、dard can be found in the report on voting indicated in the above table. A list of all the parts in the IEC 60598 series, published under the general title Luminaires can be found on the IEC website. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. In this standard
36、, the following print types are used: requirements: roman type. test specifications: italic type. notes: smaller roman type. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in t
37、he data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 60598-2-24 IEC:2013 5 LUMINAIRES Part 2-24: Particular requirements Luminaires with limited surface temperatures 24.1 Scope This part of the IEC 60598
38、 series specifies requirements for luminaires intended for use where the necessity of limited temperature on the outer surface exists, due to the risk of thermal effects, combustion or degradation of materials but where the risk of explosion in the atmosphere does not exist. The luminaires are for u
39、se with electric light sources on supply voltages not exceeding 1 000 V. This standard specifically excludes requirements for luminaires for use in explosive gas atmospheres and explosive dust atmospheres. 24.2 Normative references The following documents, in whole or in part, are normatively refere
40、nced 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 60364-4-42, Low-voltage electrical installations Part 4-42: Protection
41、for safety Protection against thermal effects IEC 60598-1, Luminaires Part 1: General requirements and tests ISO 4225:1994, Air quality General aspects Vocabulary 24.3 General test requirements The provisions of Section 0 in IEC 60598-1 apply. The tests described in each appropriate section of IEC 6
42、0598-1 shall be carried out in the order listed in this standard. 24.4 Terms and definitions For the purposes of this document, the terms and definitions given in Section 1 of IEC 60598-1 apply, as well as the following apply. 24.4.1 dust small solid particles in the atmosphere which settle out unde
43、r their own weight, but which may remain suspended in air for some time (includes dust and grit as defined in ISO 4225) 24.4.2 explosive gas atmosphere mixture with air, under atmospheric conditions, of flammable substances in the form of gas or vapour which, after ignition, permits self sustaining
44、flame propagation SOURCE: IEC 60050-426:2008, 426-01-07 6 60598-2-24 IEC:2013 24.4.3 explosive dust atmosphere a mixture with air, under atmospheric conditions, of flammable substances in the form of dust, fibres or flyings which, after ignition, permits self-sustaining propagation SOURCE: IEC 60050
45、-426:2008, 426-01-08 24.5 Classification of luminaires Luminaires shall be classified in accordance with the provisions of Section 2 of IEC 60598-1. Additionally luminaires complying with this section are classified suitable for use in locations specified in IEC 60364-4-42 as follows. a) For use in
46、environments where no unusual accumulation of dust is expected. b) For use in environments where an accumulation of non-conductive dust on the luminaire may be expected. c) For use in environments where an accumulation of conductive dust on the luminaire may be expected. 24.6 Marking The provisions
47、of Section 3 of IEC 60598-1 apply together with the following requirements. 24.6.1 Luminaires shall be marked with the symbol (see Figure 1). This marking shall be visible and meet the requirements of 3.2 c) of IEC 60598-1. Figure 1 Symbol for luminaires with limited surface temperatures 24.6.2 From
48、 the manufacturers literature it shall be evident to which location the luminaire is intended in accordance with the luminaires classification as given in 24.5 of this standard. 24.7 Construction The provisions of Section 4 of IEC 60598-1 apply, together with the requirements of 24.7.1 and 24.7.2 be
49、low. 24.7.1 Luminaires shall be provided with an enclosure providing a degree of protection of at least IP4X or in the presence of dust, IP5X or in the presence of conductive dust, IP6X. For certain locations the international wiring rules may require at least IP5X or IP6X (see IEC 60364-4-42). Compliance is checked by inspection. D D 60598-2-24 IEC:2013 7 24.7.2 Surfaces where dust may accumulate a
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