Frame Size E: Screw Terminal Installation (95 To 240 Mm 2 [Awg3/0 To 400Mcm] Cables); Grounding The Motor Cable Shield At The Motor End - ABB ACS850-04 series Hardware Manual

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Frame size E: Screw terminal installation
(95 to 240 mm
U1 V1
Input power cable

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.
Electrical installation
2
[AWG3/0 to 400MCM] cables)
UDC+
W1 R- R+ UDC-
PE
8 N·m (5.9 lbf·ft)
Conductive gaskets
a
U2 V2 W2
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).
Motor cable
360 degrees grounding
b > 1/5 · a
b
a
b
WARNING! If the wire size is less than
2
95 mm (3/0 AWG), a crimp lug must
be used. A cable of wire size less than
2
95 mm (3/0 AWG) connected to this
terminal will loosen and may damage
the drive.