Replacing Dc Fuses - Siemens SINAMICS S120 Operating Instructions Manual

● Remove the protective cover.
● Allow free access to the fuses.
8.5.4.1

Replacing DC fuses

Replacing the fuses
Figure 8-11
To replace the fuses, proceed as follows:
1. Loosen the screws
2. Swivel the fuse upwards and towards the front. Remove the fuse.
Note
To replace the fuse, you must first remove the front fuse.
3. Install the intact fuse in the reverse order. Observe the permissible torque (Page 108) when
tightening the fuse screws.
NOTICE
Device failure after a DC fuse ruptures
The neighboring DC fuses may also become damaged if a DC fuse ruptures. This can result
in device failure.
After a DC fuse ruptures, always replace all DC fuses at the same time. Always use fuses of
the same type.
Siemens Drives & PLCs
Applications for Cabinet Modules, liquid cooled
Operating Instructions, 04/2015, A5E35974555A
Replacing the DC fuses
①
of the fuse. Do not remove the screws.
Servicing
8.5 Repairs
131