EN 50281-3:2002

Equipment for use in the presence of combustible dust - Part 3: Classification of areas where combustible dusts are or may be present

Superseded by EN 61241-10:2004

Betriebsmittel zur Verwendung in Bereichen mit brennbarem Staub - Teil 3: Einteilung von staubexplosionsgefährdeten Bereichen

Appareils pour utilisation en présence de poussières combustibles - Partie 3: Classement des emplacements où des poussières combustibles sont ou peuvent être présentes

Električne naprave za uporabo ob prisotnosti gorljivega prahu - 3. del: Razdelitev območij, v katerih je ali je lahko prisoten gorljiv prah

General Information

• Status: Withdrawn
• Publication Date: 05-Sep-2002
• Withdrawal Date: 28-Feb-2005
• ICS: 29.100.01 - Components for electrical equipment in general
• Technical Committee: CLC/TC 31 - Electrical apparatus for explosive atmospheres - General requirements
• Drafting Committee: IEC/TC 31 - Electrical apparatus for potentially explosive atmospheres
• Parallel Committee: IEC/SC 31H - IEC_SC_31H
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Start Date: 01-Jul-2007
• Completion Date: 01-Jul-2007
• Mandate: BC/CEN/CLC/92-08 - BC/CEN/CLC/92-08
• Ref Project: SIST EN 50281-3:2003 - Equipment for use in the presence of combustible dust -- Part 3: Classification of areas where combustible dusts are or may be present

Relations

• Replaced By: EN 61241-10:2004 - Electrical apparatus for use in the presence of combustible dust - Part 10: Classification of areas where combustible dusts are or may be present
• Effective Date: 29-Jan-2023

Standards Content (Sample)

SLOVENSKI SIST EN 50281-3:2003

STANDARD
marec 2003
Električne naprave za uporabo ob prisotnosti gorljivega prahu - 3. del:
Razdelitev območij, v katerih je ali je lahko prisoten gorljiv prah
Equipment for use in the presence of combustible dust -- Part 3: Classification of
areas where combustible dusts are or may be present
ICS 29.260.20 Referenčna številka
SIST EN 50281-3:2003(en)
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

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EUROPEAN STANDARD EN 50281-3
NORME EUROPÉENNE
EUROPÄISCHE NORM September 2002
ICS 29.100.01
English version
Equipment for use in the presence of combustible dust
Part 3: Classification of areas where combustible dusts
are or may be present
Appareils pour utilisation en présence Betriebsmittel zur Verwendung in
de poussières combustibles Bereichen mit brennbarem Staub
Partie 3: Classement des emplacements Teil 3: Einteilung von
où des poussières combustibles sont staubexplosionsgefährdeten Bereichen
ou peuvent être présentes
This European Standard was approved by CENELEC on 2002-03-05. 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.
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
© 2002 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50281-3:2002 E

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EN 50281-3:2002 - 2 -
Foreword
This European Standard was prepared by a joint Working Group (JWG 17) from CENELEC TC 31,
Electrical apparatus for explosive atmospheres - General requirements, and CEN TC 305.
The text of the draft was submitted to the Unique Acceptance Procedure and was approved by
CENELEC as EN 50281-3 on 2002-03-05.
This European Standard was prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and supports the essential safety
requirements of the EC Directive 94/9/EC.
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) 2003-03-01
- latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2005-03-01
Annexes designated "informative" are given for information only.
In this standard, annexes A to C are informative.
__________

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- 3 - EN 50281-3:2002
Contents
Introduction.4
1 Scope.5
2 Normative references.5
3 Definitions.6
4 Area classification for combustible dusts.7
5 Sources of release for explosive dust atmospheres.9
6 Zones for explosive dust atmospheres.10
7 Dust layer hazard .13
8 Documentation.13
Annex A (informative) Examples of area classification .16
Annex B (informative) Risk of fire
...