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EVS-EN 60079-26:2015

Explosive atmospheres - Part 26: Equipment with equipment protection level (EPL) Ga

General information

Withdrawn from 02.05.2024
Base Documents
IEC 60079-26:2014; EN 60079-26:2015

Although the standard’s status is withdrawn, it still has the presumption of conformity in the meaning of regulation 2014/34/EU and conformance with the regulation ’s requirements can be guaranteed by using the withdrawn version of the standard. The presumption of conformity is valid until a corresponding amendment is published in the Official Journal of the European Union.
 
To view the latest lists of harmonised standards published in the Official Journal of the European Union, visit: 
http://ec.europa.eu/growth/single-market/european-standards/harmonised-standards/

Standard history

Status
Date
Type
Name
02.05.2024
Main
04.03.2015
Main
04.05.2007
Main
EVS-EN 60079-26:2007
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.

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