ABB ACQ580-01 Series - Page 20

20
R0-
R4
R5
R6-
R9
EN
DE
ES
FR
IT
RU
SV
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
sizes
EMC
filter
(EMC)
Ground-
to-phase
varistor
(VAR)
Symmetrically
grounded TN
systems (TN-S
systems)
1
Corner grounded
TN systems
2
IT systems
(ungrounded or
high-resistance
grounded [>30
ohms])
3
R0…R3 EMC
(1 switch)
- Do not disconnect Disconnect Disconnect
-VAR
(1 switch)
Do not disconnect Do not disconnect Disconnect
R4 EMC
(2 screws)
- Do not disconnect Frame R4 cannot
be used in corner
grounded TN
systems.
Disconnect
-VAR
(1 screw)
Do not disconnect Disconnect
1 2 3
Drive
PE
N
L3
L2
L1
Drive Drive
PE
L3
L2
L1
L3
L2
L1