Siemens ESM Operating Instructions Manual page 90

Standards and Approvals
FM Approval
FM Hazardous (Classified) Location Electrical Equipment:
Non Incendive / Class I / Division 2 / Groups A,B,C,D / T* and
Non Incendive / Class I / Zone 2 / Group IIC / T4
*) Temperature Class T4 or T4A, depending on model
Warning
!
In hazardous areas liable to explosion, injury to persons and damage to property
can occur if you close or open an electric circuit while an OSM/ESM is in
operation.
Do not close or open live electrical circuits unless sure that there is no risk of
explosion.
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Industrial Ethernet OSM/ESM
C79000-Z8976-C068-10