ABB ACQ580-01 Series Quick Installation And Start-Up Manual page 20

20
Check from the table below if you have to disconnect the EMC filter (EMC) or ground-
to-phase varistor (VAR). For instructions on how to do this, see page 21.
Frame EMC
sizes filter
R0-
(EMC)
R4
R5
R0...R3 EMC
R6-
(1 switch)
R9
-
R4 EMC
(2 screws)
EN
-
DE
1
ES
FR
IT
RU
Drive
SV
Ground- Symmetrically
to-phase grounded TN
varistor systems (TN-S
systems)
(VAR)
- Do not disconnect
VAR Do not disconnect Do not disconnect
(1 switch)
- Do not disconnect Frame R4 cannot
VAR Do not disconnect
(1 screw)
2
L1
L2
L3
N
PE
Corner grounded
TN systems
1
Disconnect
be used in corner
grounded TN
systems.
3
L1
L2
L3
PE
Drive
IT systems
2
(ungrounded or
high-resistance
grounded [>30
3
ohms])
Disconnect
Disconnect
Disconnect
Disconnect
L1
L2
L3
Drive