Siemens X-400 User Manual Page 136

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Approvals, Certificates
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
136 C79000-G8976-C186-03
!
Warning
In hazardous areas, personal injury or damage to property may occur if you make
or break an electrical circuit while a SCALANCE X-400 is in operation.
Do not connect or disconnect any live circuits unless risk of explosion can be exc-
luded with certainty.
FM Approval
The product complies with the requirements of the standards
Factory Mutual Approval Standard Class Number 3611
FM Hazardous (Classified) Location Electrical Equipment:
Non Incendive / Class I / Division 2 / Groups A,B,C,D / T4 and
Non Incendive / Class I / Zone 2 / Group IIC / T4
ATEX Approval
The product complies with the requirements of the standard
EN50021
!
Warning
Use under Zone 2 (or Div. 2) Ex-protection conditions requires the installation in a
housing. The housing has comply with class IP 54 according to standard EN
60529, in the scope of the EU directive 94/9 (Atex 100a).
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