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4.9.5 Branch circuit protection
Table 4-7 Branch circuit protection according to the IEC standard and UL standard
Frame size Rated power Article number
Converter Fuse according to
the IEC standard
Max. rated current
of the fuse accord‐
ing to UL standard,
Class J
1)
FSAA 0.55kW
0.75kW
1.1kW
1.5kW
2.2kW
6SL3210‑1KE11‑8…
6SL3210‑1KE12‑3…
6SL3210‑1KE13‑2…
6SL3210‑1KE14‑3…
6SL3210‑1KE15‑8…
3NA3803 10A
FSA 3kW
4kW
6SL3210‑1KE17‑5…
6SL3210‑1KE18‑8…
3NA3805 15A
FSB 5.5kW
7.5kW
6SL3210‑1KE21‑3…
6SL3210‑1KE21‑7…
3NA3812 35A
FSC 11kW
15kW
18.5kW
6SL3210‑1KE22‑6…
6SL3210‑1KE23‑2…
6SL3210‑1KE23‑8…
3NA3822 60A
FSD 22kW 6SL3210‑1KE24‑4… 3NA3824 70A
30kW 6SL3210‑1KE26‑0… 3NA3830 90A
37kW 6SL3210‑1KE27‑0… 3NA3830 100A
45kW 6SL3210‑1KE28‑4… 3NA3832 125A
FSE 55kW 6SL3210‑1KE31‑1… 3NA3836 150A
FSF 75kW 6SL3210‑1KE31‑4… 3NA3140 200A
90kW 6SL3210‑1KE31‑7… 3NA3142 250A
110kW 6SL3210‑1KE32‑1… 3NA3250 300A
132kW 6SL3210‑1KE32‑4… 3NA3252 350A
1)
The stated fuses are only permissible with a cabinet volume ≥0.36m³
You can nd information about other permissible overcurrent protection devices on the
Internet.
Installing
4.9Connect the line supply, motor and braking resistor
SINAMICS G120C Converters
76 Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK