Siemens SCALANCE XR-300M Compact Operating Instructions page 73

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 increased
– 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.
Note
Only variants with 24 VDC power supply meet the requirements of this approval.
Note for devices with CLASS 1 LASER
Important note on products certified according to Type Examination Certificate KEMA
07ATEX0145 X as of Issue 95 / DEKRA 18ATEX0025X and IECEx Certificate of Conformity
DEK 14.0025X as of Issue 43 / DEK 18.0017X and containing Class 1 optical radiation sources.
Note
CLASS 1 LASER
The device contains optical radiation sources which comply with the limits of Class 1 according
to IEC 60825-1. Fiber-optic cables connected to these optical radiation sources may therefore
be routed either to or through hazardous areas requiring Category 2G, 3G, 2D or 3D
equipment.
SCALANCE XR-300M
Compact Operating Instructions, 11/2019, A5E02661171-15
protection "n")
transmission systems using with optical radiation)
protection "n")
safety "e")
Approvals
73