ABB ACS880-01 - Alternate Power Cable Types

Alternate power cable types
Use as motor cablingUse as input power cablingCable type
Yes with phase conductor
smaller than 10 mm
2
(8 AWG)
Cu, or motors up to 30 kW
(40 hp).
Yes with phase conductor
smaller than 10 mm
2
(8 AWG)
Cu.
PVC
Four-conductor cabling in PVC
conduit or jacket (three phase
conductors and PE)
Note: Shielded or armored
cable, or cabling in metal con-
duit is always recommended to
minimize radio frequency inter-
ference.
Yes with phase conductor
smaller than 10 mm
2
(8 AWG)
Cu, or motors up to 30 kW
(40 hp)
Yes
EMT
Four-conductor cabling in met-
al conduit (three phase con-
ductors and PE), eg, EMT, or
four-conductor armored cable
Yes with motors up to 100 kW
(135 hp). A potential equaliza-
tion between the frames of mo-
tor and driven equipment is re-
quired.
Yes
Well-shielded (Al/Cu shield or
armor) four-conductor cable
(three phase conductors and
a PE)
NoYes


PE
WARNING!
If you use unshielded
single-core cables in an
IT network, make sure
that the non-conductive
outer sheath (jacket) of
the cables have good
contact with a properly
grounded conductive sur-
face. For example, install
the cables on a properly
grounded cable tray. Oth-
erwise voltage may be-
come present on the non-
conductive outer sheath
of the cables, and there
is even a risk of an elec-
tric shock.
A single-core cable system:
three phase conductors and
PE conductor on cable tray
L1
L3L2
L2
L1L3
L3
L2L1
Preferable cable arrangement
to avoid voltage or current un-
balance between the phases
72 Guidelines for planning the electrical installation