DF-2 cubicles with a switch function (DF-A, DF-P, DF-D, DF-D-W, DF-EDN-D, DF-EDN-LK, DF-AAD and DF-LK) are built up of four compartments. The arrangement of these compartments determines the functioning of the cubicle.

The compartments:

• Mechanical drive and low-voltage compartment (A)
• Cable compartment (B)
• Apparatus compartment (C)
• Bus-bar compartment (D)

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