ABB ACS880-04XT Hardwarehandbuch Seite 9

Internal EMC option +E200

Disconnect the filter grounding wire (EMC AC) and ground-to-phase varistor grounding
wire (VAR) before you connect the drive to the supply network. Insulate the end of the wire
and attach it. The wires are located at the side of the drive module next to the circuit board
compartment.
External EMC option ARFI-01

Grounding wire EMC AC (see the figure above) is not connected at the factory. Do not
connect it. Remove the varistor grounding wire (VAR). Remove the ARFI-10 filter from the
cabinet.
VAR
EMC AC
Update notice 5