Siemens SCALANCE M812 Operating Instructions Manual page 67

Permitted types of protection
The following types of protection are possible:
● nA
ATEX classification: II 3G Ex nA IIC T4 Gc
Certificate no.: KEMA 07ATEX0145 X
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 3G Ex ec IIC T4 Gc
Certificate no.: DEKRA 18ATEX0025X
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)
You will find the current versions of the standards in the currently valid ATEX certificates.
SCALANCE M812, M816
Operating Instructions, 08/2018, C79000-G8976-C331-06
protection "n")
safety "e")
Approvals
A.3 General approvals
67