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ONGLET DE NORMES TECHNIQUES

IEC 60079-31

Explosive atmospheres
Part 31: Equipment dust ignition protection by enclosure "t"

ANNEE FILE EDITION SCAME
2008 N152
2013 N213
       

International Standard

 

Sommaire
(courtoisie IEC)

IEC 60079-31:2013 is applicable to electrical equipment protected by enclosure and surface temperature limitation for use in explosive dust atmospheres. It specifies requirements for design, construction and testing of electrical equipment and Ex Components. This standard supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of this standard takes precedence. This standard does not apply to dusts of explosives, which do not require atmospheric oxygen for combustion, or to pyrophoric substances. This standard does not apply to electrical equipment or Ex Components intended for use in underground parts of mines as well as those parts of surface installations of such mines endangered by firedamp and/or combustible dust. This standard does not take account of any risk due to an emission of flammable or toxic gas from the dust. Consideration of additional protective measures is required where the application of electrical equipment is in atmospheres, which can contain combustible dust as well as explosive gas, whether simultaneously or separately. Where the electrical equipment has to meet other environmental conditions, for example, protection against ingress of water and resistance to corrosion, additional measures can be necessary. The measures used should not adversely affect the integrity of the enclosure. This second edition cancels and replaces the first edition published in 2008. This edition constitutes a technical revision. The major technical changes include:
- The marked maximum surface temperature shall be measured on the external surfaces of the enclosure and the surfaces of the internal components for equipment with types of protection "ta";
- Additional protection for arcing and sparking parts for "ta";
- Test for internal enclosure for level "ta" added. Keywords: explosive dust atmospheres

This publication is to be read in conjunction with IEC 60079-0:2011.

 



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"CROSS REFERENCE"
by SCAME


Les principales normes
liées à IEC 60079-31


 

Normes européennes correspondantes
EN 60079-31Electrical apparatus for explosive gas atmospheres
Part 31: Equipment dust ignition protection by enclosure "t"
 
Normes internationales correspondantes
Aucune donnée disponible
 
Organisations et Institutuins
IECInternational Electrotecnical Commission
[International Standard]
 
D'autres normes liées IEC
IEC 60079-0 Explosive atmospheres
Part 0: Equipment
General requirements.
IEC 60079-1 Explosive atmospheres
Part 1: Equipment protection by flameproof enclosures "d".
IEC 60079-11 Explosive atmospheres
Part 11: Equipment protection by intrinsic safety "i"
IEC 60079-15 Electrical apparatus for explosive gas atmospheres.
Part 15: Construction, test and marking of type of protection "n" electrical apparatus.
IEC 60079-31 Explosive atmospheres
Part 31: Equipment dust ignition protection by enclosure "t"
IEC 60079-7 Explosive atmospheres
Part 7: Equipment protection by increased safety "e".
IEC 61241-0 Electrical apparatus for use in the presence of combustible dust
Part 0: General requirements
IEC 61241-1 Electrical apparatus for use in the presence of combustible dust
Part 1: Protection by enclosures 'tD'
IEC 61241-11 Electrical apparatus for use in the presence of combustible dust
Part 11: Protection by intrinsic safety 'iD'
IEC 61241-14 Electrical apparatus for use in the presence of combustible dust
Part 14: Selection and installation
 
Collection thématique
Explosion

 


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La "Suggestion"
by SCAME


Les principaux produits Scame
liées aux exigences de la norme IEC 60079-31


 

Série ALUBOX-EX
boîtes de derivacion en alliage d'aluminium - EX


Série ISOLATORS-EX



Série LIT-EX



Série OPTIMA-EX
mobiles et fixes: 16A… 125A - EX


Série UNION-EX



Série ZENITH-A
Increased safety enclosures and terminal boxes


Série ZENITH-P
Increased safety enclosures and terminal boxes


Série ZENITH-X
Increased safety enclosures and terminal boxes



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Rev.17.0206      

 

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