Standard: IEC 60079-18

EXPLOSIVE ATMOSPHERES - PART 18: EQUIPMENT PROTECTION BY ENCAPSULATION “M”

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Scope:

This part of IEC 60079 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 (hereinafter always referred to as "m" equipment) where the rated voltage does not exceed 11 kV.

The application of electrical equipment in atmospheres, which may contain explosive gas as well as combustible dust simultaneously, may require additional protective measures.

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 take account of any risk due to an emission of flammable or toxic gas from the dust.

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.

Organization: International Electrotechnical Commission
Document Number: iec 60079-18
Publish Date: 2014-12-01
Page Count: 76
Change Type: COMPLETE REVISION
Available Languages: EN,FR
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Active

Document History

Document # Change Type Update Date Revision Status
IEC 60079-18 Change Type: COR Revision: 3.0 Status: INAC
IEC 60079-18 Change Type: COR Update Date: 2009-06-01 Revision: 3.0 Status: INAC
IEC 60079-18 Change Type: STCH Update Date: 2009-05-01 Revision: 3.0 Status: INAC
IEC 60079-18 Change Type: Update Date: 2004-03-01 Revision: 2.0 Status: INAC
IEC 60079-18 Change Type: Update Date: 1992-10-01 Revision: 1.0 Status: INAC

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