Approvals 
  A.3 General approvals 
SCALANCE M874, M876 
Operating Instructions, 08/2018, C79000-G8976-C331-08 
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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 
protection "n") 
–  EN 60079-0 (Explosive atmospheres - Part 0: Equipment - General requirements) 
●  ec 
ATEX classification: II 3G Ex ec IIC T4 Gc 
Certificate no.: DEKRA 18ATEX0026X 
The products meet the requirements of the following standards: 
–  EN 60079-7 (Explosive atmospheres - Part 7: Equipment protection through increased 
safety "e") 
–  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.