Overcurrent Protection By Line Fuse Or Circuit-Breaker - Siemens SINAMICS S120 Equipment Manual

6.2.3

Overcurrent protection by line fuse or circuit-breaker

The cables for the drive line-up power supply must be protected against overcurrent. LV
HBC, D-type, and DO-type fuses with a gL characteristic or suitable circuit-breakers can be
used.
The following tables list the requirements regarding line fuses and circuit-breakers for the
active line modules and smart line modules.
Table 6-3 Requirements regarding line fuses and circuit-breakers for the active line modules
16 kW
I fuse 35 A
rated
I 0.2s >180 A
fuse
I 4s >130 A
fuse
I 10 s >100 A
fuse
I 240 s >60 A
fuse
Table 6-4 Requirements regarding line fuses and circuit-breakers for the smart line modules
I fuse
rated
I 0.2s
fuse
I 4s
fuse
I 10 s
fuse
I 240 s
fuse
See catalog D21.2
Booksize Power Sections
Equipment Manual, (GH2), 04.2004 Edition, 6SL3097-2AC00-0BP0
6.2 Selection of devices required for operation of SINAMICS
36 kW 55 kW
80 A 125 A
>360 A >450 A
>260 A >350 A
>200 A >250 A
>135 A >200 A
5 kW
16 A
>70 A
>50 A
>42 A
>30 A
Cabinet Configuration and EMC Booksize
80 kW
160A
>650 A
>505 A
>360 A
>280 A
10 kW
35 A
>100 A
>80 A
>65 A
>45 A
120 KW
250A
>865 A
>675 A
>480 A
>380 A
6-5