Siemens SIMATIC S7-1500/ET 200MP System Manual page 343

Technical specifications
16.1 Standards, approvals and safety instructions
T-CPUs:
According to EN 60079-15 (Electrical apparatus for potentially explosive atmospheres - Part
15: Type of protection "n") and EN IEC 60079-0 (Electrical apparatus for potentially explosive
gas atmospheres - Part 0: General requirements).
II 3 G Ex nA IIC T4 Gc
DEKRA 16ATEX0092 X
OR
According to EN IEC 60079-7 (Electrical apparatus for potentially explosive atmospheres - Part
7: Increased safety "e") and EN IEC 60079-0 (Electrical apparatus for potentially explosive gas
atmospheres - Part 0: General requirements).
II 3 G Ex ec IIC T4 Gc
DEKRA 21ATEX0046 X
Special conditions in hazardous areas:
• The equipment shall only be used in an area of not more than degree of pollution 2, as
defined in EN 60664-1.
• The equipment shall be installed in a suitable enclosure providing a degree of protection
not less than IP54 in accordance with EN IEC 60079-0. The ambient conditions must be
taken into consideration for use.
• Provisions shall be made to prevent the nominal voltage from being exceeded by transient
disturbances of more than 119 V.
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Automation system
System Manual, 01/2023, A5E03461182-AK