Cabinet layout example
Auxiliary control cubicle (ACU). See section Auxiliary control cubicle (ACU) layout (page 42).A
Input cable lead-throughs, PE busbar1
Input terminals2
Incoming cubicle cooling fans3
Main breaker (Q1) (option +F255)4
Auxiliary voltage switch (Q21) with fuses5
Grounding (earthing) switch (Q9.1) (optional)6
Supply module AC fuses7
Supply modules8
Inverter DC fuses9
Inverter modules. The output terminals are located behind each module. Each module must
be individually connected to the motor using separate cables unless the drive is equipped with
option +H359 (common motor terminal cubicle) or +H366 (common output terminals).
10
Operation principle and hardware description 41
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