Siemens Simatic S7-1500 / ET 200MP - Page 344

Technical specifications
16.1 Standards, approvals and safety instructions
Automation system
System Manual, 01/2023, A5E03461182-AK
343
UKEX approval
According to EN IEC 60079-7 (Explosive atmospheres – Part 7: Equipment protection by
increased safety "e") and EN IEC 60079-0 (Explosive atmospheres - Part 0: Equipment -
General requirements).
II 3 G Ex ec IIC T4 Gc
DEKRA 21UKEX0008 X
T-CPUs:
According to EN IEC 60079-7 (Explosive atmospheres - Part 7: Equipment protection by
increased safety "e") and EN IEC 60079-0 (Explosive atmospheres - Part 0: Equipment -
General requirements).
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DEKRA 21UKEX0007 X
Special conditions in explosive atmospheres:
• 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 rated voltage from being exceeded by transient
disturbances of more than 119 V.
IECEx approval
According to IEC 60079-15 (Explosive atmospheres - Part 15: Equipment protection by type of
protection "n") and IEC 60079-0 (Explosive atmospheres - Part 0: Equipment - General
requirements).
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IECEx DEK 13.0010 X
OR
According to IEC 60079-7 (Explosive atmospheres - Part 7: Equipment protection by increased
safety "e") and IEC 60079-0 (Explosive atmospheres - Part 0: Equipment - General
requirements).
II 3 G Ex ec IIC T4 Gc
IECEx DEK 19.0087 X
T-CPUs
According to IEC 60079-15 (Explosive atmospheres - Part 15: Equipment protection by type of
protection "n") and IEC 60079-0 (Explosive atmospheres - Part 0: Equipment - General
requirements).
II 3 G Ex nA IIC T4 Gc
IECEx DEK 16.0045 X