ABB ACS6080 User Manual page 172

• Main power can only be connected to the drive if the doors are
securely closed, the grounding switch is in position not grounded,
and the safety switches are in position locked.
• Doors can only be opened when the main power has been
disconnected, the DC-link capacitors have been discharged, and the
grounding switch is in position grounded.
The locking bar locks and unlocks the locking mechanism of the door of a
medium voltage unit.
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