Connecting The Cables - ABB ACS580MV Hardware Manual

Electrical installation 75

Connecting the cables

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NOTICE Risk of flashover
High voltages will be present in the terminal compartment. High voltages can cause
flashover between the electric potential of different conductors, and the electric potential
of a conductor and earth.
Therefore, a minimum clearance of 59.5 mm must be maintained between a conductor
and earth, and 90 mm between a conductor and the terminals of any other conductor.