IEC 61241-18:2004
Collections
International IEC standards
Publication date
August 2004
Number of pages
65 p.
Reference
IEC 61241-18:2004
Print number
1
IEC 61241-18:2004
August 2004
International standard
Cancelled
Electrical apparatus for use in the presence of combustible dust - Part 18: Protection by encapsulation 'mD'
Applicable to electrical apparatus protected by encapsulation type of protection "mD" and surface temperature limitation for use in areas where combustible dust may be present in quantities which could lead to a fire or explosion hazard. Specifies requirements for design, construction and testing of electrical apparatus, parts of electrical apparatus and Ex components where the rated voltage does not exceed 10 kV.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.
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Sumary
Electrical apparatus for use in the presence of combustible dust - Part 18: Protection by encapsulation 'mD'
Applicable to electrical apparatus protected by encapsulation type of protection "mD" and surface temperature limitation for use in areas where combustible dust may be present in quantities which could lead to a fire or explosion hazard. Specifies requirements for design, construction and testing of electrical apparatus, parts of electrical apparatus and Ex components where the rated voltage does not exceed 10 kV. 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.
Applicable to electrical apparatus protected by encapsulation type of protection "mD" and surface temperature limitation for use in areas where combustible dust may be present in quantities which could lead to a fire or explosion hazard. Specifies requirements for design, construction and testing of electrical apparatus, parts of electrical apparatus and Ex components where the rated voltage does not exceed 10 kV. 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.
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Standard replaced by
(1)
IEC 60079-18:2009RL
May 2009
International standard
Cancelled
Explosive atmospheres - Part 18 : equipment protection by encapsulation "m" - Redline edition
IEC 60079-18:2009 is available as IEC 60079-18:2009 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. 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". The contents of the corrigendum of June 2009 have been included in this copy. This publication is to be read in conjunction with IEC 60079-0:2007.
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