Replacing The Lv Hrc Fuses - Siemens Sinamics G120P Operating Instructions Manual

Maintenance and servicing
10.4 Replacing components
10.4.6

Replacing the LV HRC fuses

Description
NH fuses (low-voltage high-breaking-capacity fuses), also called knife fuses, are used, for
example, in the on/off switches of the power supplies.
Figure 10-6
Preparatory steps
● Keep the safety equipment close at hand: NH fuse puller with forearm protection for NH
fuse-links
● Observe the national safety regulations.
Figure 10-7
464
NH fuse
NH fuse puller with forearm protection for NH fuses
Inverter cabinet units
Operating Instructions, 12/2014, A5E32923362A