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IEC 60079-18 Ed. 3.0 Edition 05/2009
Explosive atmospheres - Part 18: Equipment protection by encapsulation "m"
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Abstract

IEC 60079-18:2009 gives the specific requirements for the construction, testing and marking of electrical equipment, parts of electrical equipment and Ex components with the type of protection encapsulation "m" intended for use in explosive gas atmospheres or explosive dust atmospheres. This part applies only for encapsulated electrical equipment, encapsulated parts of electrical equipment and encapsulated Ex components where the rated voltage does not exceed 11 kV. The significant technical changes with respect to the previous edition are as follows:
- Incorporation of level of protection "mc"
- Equipment protection levels (EPL Ma, Ga, Da, Mb, Gb, Db, Gc, Dc)
- Incorporation of the dust requirements
- Incorporation of switching contacts for level of protection "ma".

This publication is to be read in conjunction with IE C 60079-0:2007.

NEW! IEC 60079-18:2009 is also available as IEC Standards+ 60079-18:2009 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. The contents of the corrigendum of June 2009 have been included in this copy.

Status

Standard - Withdrawn

Origin

Technical Committee :
31 : Equipment for explosive atmospheres

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
IEC 60947-2 Ed. 4.2

International Classification for Standards (ICS codes) :

29.260.20 : Electrical apparatus for explosive atmospheres

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