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ATEX Ex Approvals
With the important growth of the Security Market in Europe, knowing accurately what the codes mean becomes an urgent need. The table below is a brief scheme about the meaning of the different codes of the ATEX Approvals. If you require further information you can download this .pdf document in order to have a general view about ATEX. Furthermore if you need a complete explanation about ATEX Certificate please click on: www.epsilon-ltd.com

www.epsilon-ltd.com


ELECTRICAL EQUIPMENT MARKING BY THE EUROPEAN HARMONIZED STANDARD ROUTE
II 3 G EEx nL IIC T4 Tamb

CE means CE mark permitted by the European Comittee for the Electromechanical Standardization
Ex inside the Hexagon means “Protection against the Explosions”
II

II means Group II equipment = Not for use in Mines
3
3 means ATEX Category (Old zone II)
G
G means tested for gases and vapors
EEx
EEx means equipment tested under the latest European Harmonized Standard for use in Explosive atmospheres
nL
nL is a protection concept symbol, (in this case Non-sparking)
IIC Gas Grouping (Acetylene & Hydrogen)
T4 T (1,2,3,4,5,6) is the equipment classification by its surface maximum temperature: T1=450ºC T2=300ºC T3=200ºC T4=135ºC T5=100ºC T6=85ºC
Tamb Ambient temperature range in service (Standard between -20 & +40ºC not needed to show)