Appendix
A.1 Certificates & approvals
SIMATIC RF120C
Operating Instructions, 02/2021, C79000-G8976-C328-03
41
IECEx
The SIMATIC Ident products described in these operating instructions meet the requirements
of explosion protection acc. to IECEx.
Note
Type of protection of the device
The devices are approved for
various types of protection. You can find the type of protection
of your device and the IECEx certificate number on the nameplate.
Permitted types of protection
The following types of protection are possible:
• nA
IECEx classification: Ex nA IIC T4 Gc
Certificate no.: DEK 14.0088X
The products meet the requirements of the following standards:
– IEC 60079-15 (Explosive atmospheres - Part 15: Equipment protection by type of
protection "n")
– IEC 60079-0 (Explosive atmospheres - Part 0: Equipment - General requirements)
• ec
IECEx classification: Ex ec IIC T4 Gc
Certificate no.: DEK 18.0020X
The products meet the requirements of the following standards:
– IEC 60079-7 (Explosive atmospheres - Part 7: Equipment protection through increased
safety "e")
– 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.
Specific conditions of use
1. The equipment shall only be used in an area of not more than pollution degree 2, as defined
in IEC 60664-1.
2. The equipment shall be installed in a suitable enclosure providing a degree of protection of
at least IP54 according to IEC 60079-7, taking into account the environmental conditions
under which the equipment will be used.
3. Provisions shall be made to prevent the rated voltage from being exceeded by transient
disturbances of more than 119 V.
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