ABB ACH580-01 Series Quick Installation And Start-Up Manual page 16

14 EN – Quick installation and start-up guide
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 16.
Frame EMC
sizes filter
R0-
(EMC)
R3
R6-
R9
R0...R3 1 × EMC
-
1
EN
DA
DE
Drive
ES
FI
FR
IT
NL
PL
PT
RU
SV
TR
ZH
Ground- Symmetrically
to-phase grounded TN
varistor systems (TN-S
systems)
(VAR)
- Do not disconnect
1 × VAR Do not disconnect Do not disconnect
2
L1
L2
L3
N
PE
Corner grounded
TN systems
1
Disconnect
3
L1
L2
L3
PE
Drive
IT systems
2
(ungrounded or
high-resistance
grounded [>30
3
ohms])
Disconnect
Disconnect
L1
L2
L3
Drive