IEC 60079-26 Ed. 4.0 b PDF

IEC 60079-26 Ed. 4.0 b – Explosive atmospheres – Part 26: Equipment with Equipment Protection Level (EPL) Ga

IEC 60079-26:2021 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. Thisstandard also applies to equipment mounted across a boundary where different Equipment Protection Levelsmay be required. This electrical equipment, within the operational parameters specified bythe manufacturer, ensures a very high Levelof Protection that includes rare malfunctions related to theequipment or two malfunctions occurring independentlyof each other.