EN 61241-0:2006
(Main)Electrical apparatus for use in the presence of combustible dust - Part 0: General requirements
Electrical apparatus for use in the presence of combustible dust - Part 0: General requirements
Specifies general requirements for the design, construction, testing and marking of electrical apparatus protected by any recognized safeguard technique for use in areas where combustible dust may be present in quantities that could lead to a fire or explosion hazard. The application of electrical apparatus in atmospheres which may contain explosive gas as well as combustible dust, whether simultaneously or separately, requires additional protective measures. The contents of the corrigendum of November 2005 have been included in this copy.
Elektrische Betriebsmittel zur Verwendung in Bereichen mit brennbarem Staub - Teil 0: Allgemeine Anforderungen
Matériels électriques pour utilisation en présence de poussières combustibles - Partie 0: Exigences générales
Spécifie les exigences générales de conception, de construction, d'essais et de marquage des matériels électriques protégés par toute technique reconnue pour une utilisation dans des zones où de la poussière combustible peut être présente en quantités qui pourraient conduire à un risque d'explosion ou à un risque d'incendie. La mise en oeuvre de matériels électriques dans des atmosphères qui peuvent contenir des gaz explosifs ainsi que des poussières combustibles, que ce soit simultanément ou séparément, nécessite l'application de mesures de protection supplémentaires. Le contenu du corrigendum de novembre 2005 a été pris en considération dans cet exemplaire.
Električne naprave za uporabo v prisotnosti gorljivega prahu - 0. del: Splošne zahteve (IEC 61241-0:2004, spremenjen, s popravkom nov. 2005)
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Standards Content (Sample)
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EUROPEAN STANDARD EN 61241-0 NORME EUROPÉENNE
EUROPÄISCHE NORM December 2006
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
© 2006 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61241-0:2006 E
ICS 29.260.20 Partly supersedes EN 50281-1-1:1998 + A1:2002
English version
Electrical apparatus for use in the presence of combustible dust
Part 0: General requirements (IEC 61241-0:2004, modified + corrigendum Nov. 2005)
Matériels électriques pour utilisation
en présence de poussières combustibles Partie 0: Exigences générales (CEI 61241-0:2004, modifiée + corrigendum nov. 2005)
Elektrische Betriebsmittel zur Verwendung in Bereichen mit brennbarem Staub
Teil 0: Allgemeine Anforderungen (IEC 61241-0:2004, modifiziert + Corrigendum Nov. 2005)
This European Standard was approved by CENELEC on 2005-09-13. 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, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
EN 61241-0:2006 - 2 - Foreword The text of document 31H/173/FDIS, future edition 1 of IEC 61241-0, prepared by SC 31H, Apparatus for use in the presence of combustible dust, of IEC TC 31, Equipment for explosive atmospheres, was submitted to the IEC-CENELEC parallel vote. A draft amendment, prepared by the Technical Committee CENELEC TC 31, Electrical apparatus for explosive atmospheres - General requirements, containing some common modifications to the text of document 31H/173/FDIS, was submitted to the formal vote. The two texts were combined and approved by CENELEC as EN 61241-0 on 2005-09-13. This standard, and the other parts within this series, was developed to align protection methods associated with electrical apparatus for use in the presence of combustible dust and those similar protection methods associated with the EN 60079 series of standards, where possible. This European Standard, together with EN 61241-1:2004, supersedes EN 50281-1-1:1998 +
corrigendum August 1999 + A1:2002. 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)
2007-07-01 – latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow)
2008-10-01 This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and covers essential requirements of EC Directive 94/9/EC. See Annex ZZ. NOTE 1 Other EC Directives may be applicable. NOTE 2 Subclauses, notes and annexes that are additional to those in IEC 61241-0 are prefixed with the letter Z. Annexes ZA, ZB and ZZ have been added by CENELEC. __________
- 3 - EN 61241-0:2006 Endorsement notice The text of the International Standard IEC 61241-0:2004, with its corrigendum November 2005, was approved by CENELEC as a European Standard with agreed common modifications as given below. COMMON MODIFICATIONS 1 Scope Add after the first paragraph: This Part 0 of EN 61241 covers Category 1D, 2D and 3D apparatus. Only in cases specifically mentioned, the requirements differ for Categories 1D, 2D and 3D. In all cases where apparatus are involved, the references to zones shall be read
Zone 20
Category 1D
Zone 21
Category 2D or Category 1D
Zone 22
Category 3D or Category 1D or 2D 2 Normative references Add: See also Annex ZB. 3 Terms and definitions Add: 3.Z1 category within an equipment group, a category is the classification according to the required level of protection NOTE
The categories are defined as given in Annex ZA.
4 Construction 4.2 Principles for des
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