ABB ACS800 Installation Manual page 19

Step Instruction
19 Install the C-rails and clamps for
cable strain relief.
20 Fasten the PE busbar.
The PE busbar is provided for
grounding of the input cable
shield and the motor cable shield
if the PE terminal of the drive
module is not used.
21 Fasten shrouds over all live parts.
Photo
Drive module of frame size R7 with bottom exit
19