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For a standard M32 metric screw joint with a reducer:
the AC cable
Cable diameter from 7-15 mm
When using an M32 metric screw joint (reducer removed):
cable diameter from 11-21 mm
(with a cable diameter of less than 11 mm, the strain-relief force is reduced from 100 N to
a maximum of 80 N)
With cable diameters greater than 21 mm, the M32 screw joint must be replaced by an
M32 screw joint with a larger clamping area – item number: 42,0407,0780 – strain-relief
device M32 x 1.5 KB 18–25.
Requirements for
Note!
the neutral con-
-
ductor
-
Connecting the
1
inverter to the
public grid (AC)
3
16
Ensure that the grid neutral conductor is grounded. This may not be the case for IT
grids (insulated grids with no grounding); it will then not be possible to use the
inverter.
In order to use the inverter, the neutral conductor must be connected. A neutral con-
ductor that is too small may adversely affect the inverter feeding energy into the grid.
The neutral conductor must therefore be the same size as the other live conductors.
2
Note! Observe the torque values marked
on the side underneath the terminals.
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