BS EN 60079-26:2015 - Explosive atmospheres. Equipment with Equipment Protection Level (EPL) Ga

BS EN 60079-26:2015

Explosive atmospheres. Equipment with Equipment Protection Level (EPL) Ga

Status : Current, Under review   Published : January 2015
Conformity to regulation : Designated

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HARDCOPY



This part of IEC 60079 specifies alternative requirements for construction, test and marking for electrical equipment that provides Equipment Protection Level (EPL) Ga when single standardised Types of Protection (e.g. Ex “ia” , Ex “ma”, Ex “da”) cannot be applied. This standard also applies to equipment mounted across a boundary where different Equipment Protection Levels may be required.

EXAMPLE:

Equipment installed in the wall of a storage vessel containing Zone 0 (requiring EPL Ga) inside an area defined as Zone 1 (requiring EPL Gb).

This electrical equipment, within the operational parameters specified by the manufacturer, ensures a very high Level of Protection that includes rare malfunctions related to the equipment or two malfunctions occurring independently of each other.

NOTE

A malfunction may result from a failure of the component parts of the electrical equipment or from anticipated externally applied influences. Two independent malfunctions which may occur more frequently and which, separately, would not create an ignition hazard but which, in combination, could create a potential ignition hazard, are regarded as occurring together to form a rare malfunction.

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.




Standard NumberBS EN 60079-26:2015
TitleExplosive atmospheres. Equipment with Equipment Protection Level (EPL) Ga
StatusCurrent, Under review
Publication Date31 January 2015
Conformity to regulationDesignated
Normative References(Required to achieve compliance to this standard)IEC 60079-0, EN 60695-11-10, EN 60079-11, EN 60529, IEC 60079-11, IEC 60529, IEC 60695-11-10, EN 60079-1, IEC 60079-1
Informative References(Provided for Information)IEC 60079-14, IEC 60079-7, EN 60079-7, EN 60079-18, IEC 60079-18, EN 60079-14, 94/9/EC, IEC 60050-426
ReplacesBS EN 60079-26:2007
International RelationshipsEN 60079-26:2015,IEC 60079-26:2014
DescriptorsThickness, Design, Environment (working), Explosive atmospheres, Electrical testing, Equipment safety, Dimensions, Ventilation, Safety measures, Electrical safety, Ignition, Electrical equipment, Type i protected electrical equipment, Marking, Type testing, Assembling, Electric enclosures, Temperature, Walls, Protected electrical equipment, Joints
ICS29.260.20
Title in FrenchAtmosphères explosives. Matériel d'un niveau de protection du matériel (EPL) Ga
Title in GermanExplosionsgefährdete Bereiche. Betriebsmittel mit Geräteschutzniveau (EPL) Ga
CommitteeEXL/31
ISBN978 0 580 82843 0
PublisherBSI
FormatA4
DeliveryYes
Pages22
File Size1.381 MB
Price£134.00


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