ATEX & IECEx Marking
Marking of electrical equipment must include; manufacturer's name, model number, serial number, ratings and the following Ex-marking at a minimum*:
- Type of protection ( d, ia, e, p, nA etc.)
- Group for which equipment is approved. ( IIA, IIB, IIIA..)
- Temperature code or maximum surface temperature (T1,T2,..T6)
- Equipment Protection Levels. (Ga,Gb or Gc)
*Note: Some protection types may require additional marking. Pressurisation for example would require additional information such as purge time and flow rate etc.
In Europe (ATEX) the marking may also include the European Community symbol for explosion-protected equipment fully complying with a Directive 94/9/EC, a script Ex in a hexagon as shown below.
Example of typical product marking for electrical equipment .
Example of Ex-marking:
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