Replacing The Fuses; Replacing The Fuses For The Auxiliary Power Supply; Replacing The Fuses (F71 To F73) In The Line Connection Module - Siemens SINAMICS S120 Device Manual

6.4.11

Replacing the fuses

Replacement fuses
Order numbers for replacing fuses that have blown are contained in the spare parts list.
6.4.11.1

Replacing the fuses for the auxiliary power supply

Replacement fuses
You can find the order numbers for replacing auxiliary power supply fuses that have blown in
the spare parts list.
Note
The fuses for the auxiliary power supply are freely accessible and can be replaced after
eliminating the error source.
6.4.11.2

Replacing the fuses (F71 to F73) in the Line Connection Module

Preparatory steps
● Disconnect the cabinet from the power supply (do not forget the external power supplies).
● Have the fuse grip ready.
Removal and installation procedures
Note
On Line Connection Modules with a rated current of < 800 A, the fuses are freely accessible
and can be replaced once the fault cause has been eliminated.
Note
On Line Connection Modules with a rated current of between 800 and 1600 A, the removal
procedures described below must be carefully followed to replace the fuses.
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.
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
Maintenance and servicing
6.4 Replacing components
313