arpadveress 
According to ISO 80079-37:2016 there is only one marking possible: Ex h for Ex non electrical devices.
Keep up good work!
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Ex coordinator
The understanding and continuous support of management is essential, and shall be present and available from the 1st day of Ex issues related to site compliance.
So it shall start with design, and follow up.
Ex compliance shall be verified to the design stage. the design stage of product, site, and operation.
#exprofessional
The use of variable frequency drives in explosive atmospheres
Increased use of electronic motor drives adds complications to the use of
Ex assembly
assembly of Ex Equipment(s) results in an assembly that creates a need for additional assessment that is not already completely covered by the
individual equipment certificates.
5th ATEX Guideline
Recently published – April 2024 – link: https://ec.europa.eu/docsroom/documents/59156 Always very useful to
