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BSI BS EN 60079-26:2015

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

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

PUBLISH DATE 2015
PAGES 22
BSI BS EN 60079-26:2015

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.

SDO BSI: British Standards Institution
Document Number EN 60079-26
Publication Date Jan. 31, 2015
Language en - English
Page Count 22
Revision Level
Supercedes
Committee EXL/31
Publish Date Document Id Type View
Jan. 31, 2015 BS EN 60079-26:2015 Revision
Oct. 31, 2007 BS EN 60079-26:2007 Revision
Feb. 2, 2005 BS EN 60079-26:2004 Revision
July 31, 2011 BS EN 60079-26:2007 Consolidated
July 31, 2006 BS EN 60079-26:2004 Consolidated