Conductor Stripping Lengths; Allowed Wire Sizes, Tightening Torques; Wall-Mounted Units (European Version); Power Cable Installation Procedure - ABB ACS800-U1 Hardware Manual

62 Electrical installation

Conductor stripping lengths


Strip the conductor ends as follows to fit them inside the power cable connection
terminals.

Allowed wire sizes, tightening torques


Cable entries
See (page 118).

Wall-mounted units (European version)



Power cable installation procedure

1. Remove the front cover (in frame size R6, the lower front cover) by releasing the
retaining clip with a screw driver and lifting the cover from the bottom
outwards. For IP55 units, see
2. Slide the back plate of the connection box to the holes below the drive.
3. Attach the back plate to the drive frame with two screws / three screws in frame
size R6.
4. Cut adequate holes into the rubber grommets and slide the grommets onto the
cables. Slide the cables through the holes of the bottom plate.
5. Strip off the plastic sheath of the cable under the 360-degree grounding clamp.
Attach the clamp onto the stripped part of the cable.
6. Connect the twisted shield of the cable to the grounding terminal.
Note: Use cable lugs in frame sizes R2 and R3.
7. Connect the phase conductors of the mains cable to the U1, V1 and W1 terminals
and the phase conductors of the motor cable to the U2, V2 and W2 terminals.
8. Attach the bottom plate of the connection box with two screws to the already
attached back plate and slide the grommets into their place.
9. Secure the cables outside the unit mechanically. Connect the control cables as
Connecting the control cables
described in
Attaching the control cables and covers
Frame size Stripping length
mm
R2, R3 10
R4, R5 16
R6 28
Mounting the drive on the wall
(page 70). Attach the covers (see
on page 74).
in.
0.39
0.63
1.10
(page 32).