ABB ACS880-04XT Hardwarehandbuch Seite 6

2 Update notice
Corner-grounded and midpoint-grounded 690 V delta systems

WARNING! Do not install the drive on a 690 V corner-grounded or midpoint-
grounded delta system. Disconnecting the EMC filter and ground-to-phase varistor
does not prevent damage to the drive.
Disconnection table

EMC filter +E200
Check from this table if you have to disconnect the EMC filter (EMC AC screw) with option
+E200 or ground-to-phase varistor (VAR screw).
Frame Symmetrically
size grounded TN systems
(TN-S systems)
R10, R11 Do not remove EMC AC
or VAR.
1
Drive
Note: These are the EMC filter and varistor screws of different drive frame sizes.
Frame EMC filter (+E200) screw
size
R10, R11
Corner-grounded and
midpoint-grounded delta
1
systems
(< 600 V)
Do not remove EMC AC or
L1
L2
L3
N
PE
EMC AC
IT systems (ungrounded or
high-resistance-grounded
2
VAR.
2
L1
L2
L3
PE
Drive
L1
L2
L3
PE
Drive
to-phase varistor screw
3
[>30 ohms])
Remove EMC AC, VAR.
3
Drive
Ground-
VAR
L1
L2
L3