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View larger IEC 60079-18 Ed. 3.0 b:2009 [ Withdrawn ]
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IEC 60079-18 Ed. 3.0 b:2009 Explosive atmospheres - Part 18: Equipment protection by encapsulation "m"
standard by International Electrotechnical Commission, 05/08/2009
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IEC 0079-18:2009 gives the specific requirements for the construction, testing and marking of electrical equipment, parts of electrical equipment and Excomponents with the type of protection encapsulation "m" intended or use in explosive gas atmospheres or explosive dust atmospheres. This part applies only for encapsulated electrical equipment, encapsulated parts of electrical equipment and encapsulated Excomponents where the rated voltage does not exceed 11kV. The significant technical changes with respect to the revious edition are as follows:-Incorporation of level of protection "mc"
-Equipment protection levels (EPLMa,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 IEC 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.