Electrical installation
57
Screw terminal installation (95 to 185 mm
2
[AWG3/0 to AWG400] cables)
Grounding the motor cable shield at the motor end
For minimum radio frequency interference, ground the cable shield 360 degrees at
the lead-through of the motor terminal box
or ground the cable by twisting the shield so that the flattened shield is wider than
1/5 of its length.
a
b
U1 V1 W1 U2 V2 W2R-
UDC+
R+ UDC-
Input power cable Motor cable
a. Connect the cable to the terminal. Tighten the
Allen screw to 20…40 N·m (15…30 lbf·ft).
b. Connect the terminal to the drive. Tighten to
30…44 N·m (22…32 lbf·ft).
WARNING! If the wire size is less than
95 mm
2
(3/0 AWG), a crimp lug must
be used. A cable of wire size less than
95 mm
2
(3/0 AWG) connected to this
terminal will loosen and may damage
the drive.
PE
8 N·m (5.9 lbf·ft)
360 degrees grounding
Conductive gaskets
a
b
b > 1/5 · a
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