Siemens SCALANCE X-300 Series Operating Instructions Manual page 297

Permitted types of protection
The following types of protection are possible:
● nA
ATEX classification: II 3G Ex nA IIC Gc
Certificate no.: DEKRA 18ATEX0078 U
The products meet the requirements of the following standards:
– EN 60079-15 (Explosive atmospheres - Part 15: Equipment protection by type of
– EN 60079-0 (Explosive atmospheres - Part 0: Equipment - General requirements)
● ec
ATEX classification: II 3 G Ex ec IIC Gc
Certificate no.: DEKRA 18ATEX00xxU
The products meet the requirements of the following standards:
– EN 60079-7 (Explosive atmospheres - Part 7: Equipment protection through increased
– EN 60079-0 (Explosive atmospheres - Part 0: Equipment - General requirements)
Note
The plug-in transceivers meet the T4 classification when they are installed in SIMATIC NET
devices that are listed in the ATEX certificate KEMA 07ATEX0145 X for ambient temperatures
up to 70 °C.
You will find the current versions of the standards in the currently valid ATEX certificates.
IECEx
The SIMATIC NET products described in these operating instructions meet the requirements
of explosion protection according 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.
Note
Use the plug-in transceivers only SIMATIC NET devices that are listed in the IECEx certificate
DEK 14.0025X.
Permitted types of protection
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24
protection "n")
safety "e")
Certifications and approvals
11.9 Product group SFP
297