Version 3.11
| HPI Combi Flow User Guide |
19
www.lafert.com
4.4. EMC Compliant Installation
4.4.1. Recommended Installation for EMC Compliance
Control cables
Twisted-Pair shielded
cables for analog
control and motor
feedback signals.
Cable shield exposed
and 360° clamped to
grounded metal plate or PE
bar. All other 360° bonding
methods are acceptable.
Motor cable
3-phase and PE shielded cable.
Maintain shield as far as
possible along the cable
Control cables
Mains - supply
Mounting plate
with conductive
surface
≥ 100mm
Fuse /
MCB
L1
L2
L3
L1
L2
L3
PE
L1
L3
EMC
L2/N
U
V
W
I0I0I
I0I0I
U V W PE
For Best-Practice use
360° bonding EMC
cable gland shielded
to motor chassis.
1 2 3 4 5 6 7 8 9 10 11 12 13
4.4.2. Recommended Cable Types by EMC Category
Number of
Input Phases
Rated Supply
Voltage
Frame Size
IP rating
Maximum Motor Cable Length to Achieve
C1
1, 2, 5, 6, 8
C2
3, 5, 6, 8
C3
4, 7, 8
3
400
2, 3, 4
IP66
1
5
25
5
IP55
1
5
25
NOTE
Data in brackets shows permissible cable length with additional external EMC filter.
The 500 – 600V drives are not equipped with the internal EMC filter and are intended for use on second environment only.
4
Elec
trical Installation
