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9.7.4
Replacing the current transformer
Removing the current transformer
1. Remove the power cables which are screwed to the busbar.
2. Loosen the screw at the busbar and remove the measuring resistor.
3. Loosen and remove the screw at the busbar.
4. Remove the connecting cable between the current transformer and the AVT combination
5. Release the 4 screws that fasten the current transformer to the busbar.
6. Loosen the screw and the three screws that connect the busbar to the fixing plate. When
7. Pull the busbar out to the front.
8. Remove the current transformer from the bottom.
SINAMICS PERFECT HARMONY GH150 6SL3826
Operating Instructions 05/2020
Ensure that the cable of the measuring resistor is not damaged.
Figure 9-7
Replacing the current transformer
module. To do this, loosen the nuts on the side of the current transformer and remove the
cable.
doing so, keep a firm grip on the busbar to ensure it does not fall.
When doing so, be aware of the cables connected to the second current transformer.
Maintenance
9.7 Repair
107
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