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Permitted types of protection
The following types of protection are possible:
● nA
IECEx classification: Ex nA IIC T4 Gc
Certificate no.: DEK 14.0025X
The products meet the requirements of the following standards:
– IEC 60079-15 (Explosive atmospheres - Part 15: Equipment protection by type of
– IEC 60079-0 (Explosive atmospheres - Part 0: Equipment - General requirements)
● nA [op is]
IECEx classification: Ex nA [op is Gb] IIC T4 Gc
Certificate no.: DEK 14.0026X
The products meet the requirements of the following standards:
– IEC 60079-28 (Explosive atmospheres - Part 28: Protection of equipment and
– IEC 60079-15 (Explosive atmospheres - Part 15: Equipment protection by type of
– IEC 60079-0 (Explosive atmospheres - Part 0: Equipment - General requirements)
● ec
IECEx classification: Ex ec IIC T4 Gc
Certificate no.: DEK 18.0017X
The products meet the requirements of the following standards:
– IEC 60079-7 (Explosive atmospheres - Part 7: Equipment protection through
– IEC 60079-0 (Explosive atmospheres - Part 0: Equipment - General requirements)
You will find the current versions of the standards in the currently valid IECEx certificates.
Extender for SCALANCE XM-400
Operating Instructions, 09/2018, C79000-G8976-C332-08
protection "n")
transmission systems using with optical radiation)
protection "n")
increased safety "e")
Approvals
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