Siemens simovert masterdrives Operating Instructions Manual page 48

Mounting, Connecting-up
♦ It is recommended that fuses be used for multi-motor systems using
Fuses
♦ High voltage fuses (1000 V) must be used in the positive and
♦ Fuses are not required for single-motor drives (one inverter for each
NOTE
These fuses only provide protection in critical situations. They do not
protect the braking unit or external brake resistor.
3-6
a common DC bus (incoming power > > braking unit rating).
negative branches (fuse type see Table 7-1).
braking unit).
Bremseinheit / Braking Unit
6SE7087-6CX87-2DA0 Siemens AG
SIMOVERT MASTERDRIVES
05.2004