Siemens SINAMICS S120 Manual page 301

Note
If required, the LV HRC fuse grip can be ordered from Siemens using article number 3NX1.
Removal steps
The NH fuse is removed in the following steps:
1. Open the main switch.
2. Remove the front shock hazard protection cover of the cabinet in front of the fuses.
3. Locate the LV HRC fuse puller with forearm protection for LV HRC fuse-links over the
fuse.
4. Remove the defective fuse.
NOTICE
Device failure after a LV HRC fuse trips
The neighboring LV HRC fuses may also become damaged if a LV HRC fuse trips. Failure
to replace all fuses at the same time can cause the device to fail.
• After an LV HRC fuse trips, always replace all LV HRC fuses at the same time. Always
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A
WARNING
Electric shock due to removed cover above the power connections
When the lower cover (over the line connections) is removed, line voltage is present
even when the main switch is switched off. Contact with the connections can result in
death or serious injury.
• Do not remove the cover (shock protection) over the line connections.
use fuses of the same type.
Maintenance and servicing
7.5 Replacing components
299