Replacing The Current Transformer - Siemens SINAMICS SH150 Operating Instructions & Installation Instructions

Maintenance
9.7 Repair
9.7.4

Replacing the current transformer

Removing the current transformer
To remove the current transformer, proceed as follows:
1. Remove the power cables which are screwed to the busbar.
2. Loosen the screw
3. Loosen and remove the screw
4. Remove the connecting cable between the current transformer and the AVT combination
5. Loosen the four screws
6. Loosen the screw
7. Pull the busbar out to the front.
8. Remove the current transformer from the bottom.
102
③
at the busbar and remove the measuring resistor.
Ensure that the cable of the measuring resistor is not damaged.
Figure 9-5 Replacing the current transformer
module. To do this, loosen the nuts on the side of the current transformer and remove the
②
cables .
⑤
and the three screws
When 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.
④
at the busbar.
①
that fix the current transformer to the busbar.
⑥
that connect the busbar to the fixing plate.
SINAMICS SH150 6SL3805
Operating Instructions 05/2020