32 Operation principle and hardware description
Cabinet layout
The layout drawings give an example of the R11 cabinets. The contents of the cabinet
depend on the ordered options. For example:
• In the lower power R11 cabinets with only a few options the “door” fan is replaced with
a shroud (basic cabinet without 24 V auxiliary voltage supply, option +E205 du/dt filter
and +E208 common mode filter).
• In R11 cabinets, the swing-out frame and two mounting plates above the “door” fan
can be replaced with shrouds.
Cabinet layout of R11
IP22 (UL Type 1)
IP42 (UL Type 1 Filtered) option +B054
IP54 (UL Type 12) option +B055
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