Replacing The Fuses; General Information; Replacing The Fuses For The Auxiliary Power Supply; Replacing Fuses (F71 To F73) - Siemens SINAMICS S120 Manual

Maintenance and servicing
7.5 Replacing components
7.5.11

Replacing the fuses

7.5.11.1

General information

Replacement fuses
Article numbers for replacing fuses that have blown are contained in the spare parts list.
7.5.11.2

Replacing the fuses for the auxiliary power supply

Replacement fuses
You can find the article numbers in the spare parts list for replacing auxiliary power supply
fuses that have blown.
Note
The fuses for the auxiliary power supply are freely accessible and can be replaced once the
fault cause has been eliminated.
7.5.11.3

Replacing fuses (F71 to F73)

Fuses F71 to F73 are included in the Line Connection Modules and Active Line Connection
Modules-2.
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
For Line Connection Modules and Active Line Connection Modules-2 with a rated current of
< 800 A, the fuses are freely accessible and can be replaced once the fault cause has been
eliminated.
Note
For Line Connection Modules and Active Line Connection Modules-2 with a rated current of
between 800 A to 1600 A, the removal procedures described below must be very carefully
followed to replace the fuses.
296
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A