Replacing The Dc Fuses For The Motor Module, Chassis Format - Siemens SINAMICS S120 Manual

6.4.11.4

Replacing the DC fuses for the Motor Module, chassis format

Replacing the DC fuses, frame sizes FX and GX
Figure 6-26
Preparatory steps
● Observe the "five safety rules".
● Disconnect the cabinet from the power supply (do not forget the external power supplies).
● Remove the protective cover.
● Allow unimpeded access.
The DC voltage may still be present for up to 5 minutes.
Replacing the front fuse
1. Unscrew and remove the screws and nuts (1) from the front DC fuse.
2. Remove the DC fuse.
Replacing the back fuse
1. Unscrew and remove the screws and nuts from the front DC fuse (1).
2. Remove the front DC fuse.
3. Unscrew and remove the screws and nuts from the rear DC fuse, which can now be
4. Remove the rear DC fuse.
Cabinet Modules
Manual, (GH5), 05/2010, A5E03263538A
Replacing the DC fuses, frame sizes FX and GX
CAUTION
accessed.
Maintenance and servicing
6.4 Replacing components
303