Replacing Cylindrical Fuses - Siemens SINAMICS S120 Manual

1. Open the cabinet.
2. Take the top screws out of the support plate underneath the fuses. Loosen the bottom
screws slightly. The support plate can then be pushed downwards.
3. Attach the fuse grip to the fuse.
4. Remove the defective fuse.
5. Press the yellow button on the fuse grip to release the defective fuse from it.
6. Attach the new fuse onto the grip.
7. Place the new fuse in the fuse holder in the cabinet.
8. Press the yellow button on the fuse grip to release the new fuse from it.
9. Attach the support plates underneath the fuses again.
10. Close the cabinet.
Note
If necessary, the fuse grip can be ordered from Siemens.
7.5.11.4

Replacing cylindrical fuses

Preparatory steps
● Disconnect the cabinet from the power supply (do not forget the external power supplies).
Replacement steps
1. Open the cabinet.
2. Open the fuse holder (push the flap down/up).
3. Remove the defective fuse.
4. Insert the replacement fuse.
5. Close the fuse holder (push the flap up/down).
6. Close the cabinet.
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A
Maintenance and servicing
7.5 Replacing components
297