ABB ACS580MV Hardware Manual page 105

For this purpose, two grounding harnesses are needed. They can be ordered separately
as an optional grounding harness set (consisting of two grounding harnesses plus a
telescopic insulating pole) for the 3-phase power input.
Notice: To adapt grounding harness ordered from ABB, ball type grounding studs are
provided as option.
3
2
1
1
2
3
Example for grounding harness
1. Open the COU door.
2. Connect the enclosure grounding clamp (item 2 in the figure above) to the cabinet's
PE busbar.
3. Remove the protective plate between COU and TEU.
Telescopic insulating pole
Enclosure ground clamp
Busbar ground clamp
Maintenance 105