Siemens SINAMICS G120C Compact Operating Instructions page 22

Installing
3.2 Connecting
Branch circuit protection according to the UL standard
Use in North America requires protection devices that meet UL standards as detailed in the
following tables.
Table 3- 4
Protection device
Fuses of any manufacturer with faster tripping characteristic than class RK5, e.g.
class J, T, CC, G, or CF
SIEMENS circuit breaker
Type E combination motor controller (designation according to the UL standard), is
available as SIEMENS circuit breaker
In accordance with the following tables, you may operate the inverter on a branch circuit with
the specified short-circuit current rating provided the specified branch-circuit protection is
installed.
Table 3- 5
Frame
size
FSD
FSE
FSF
Maximum rated current of the fuse
1)
Short circuit current rating of the inverter
2)
Minimum envelope dimensions of a control cabinet approved according to UL in which the inverter
3)
is installed.
22
Permissible safety devices according to the UL standard
Permissible circuit protection with non-semiconductor fuses of Classes J, T, CC, G or CF
(JDDZ)
Rated power Inverter article number
22 kW 6SL3210-1KE24-4...
30 kW 6SL3210-1KE26-0...
37 kW 6SL3210-1KE27-0...
45 kW 6SL3210-1KE28-4...
55 kW 6SL3210-1KE31-1...
75 kW 6SL3210-1KE31-4...
90 kW 6SL3210-1KE31-7...
110 kW 6SL3210-1KE32-1...
132 kW 6SL3210-1KE32-4...
Compact Operating Instructions, 11/2016, FW V4.7 SP6, A5E39339884B AA
I SCCR
1) 2)
max
70 A 65 kA, 3 AC 480 V
90 A 65 kA, 3 AC 480 V
100 A 65 kA, 3 AC 480 V
125 A 65 kA, 3 AC 480 V
150 A 65 kA, 3 AC 480 V
200 A 65 kA, 3 AC 480 V
250 A 65 kA, 3 AC 480 V
300 A 65 kA, 3 AC 480 V
350 A 65 kA, 3 AC 480 V
SINAMICS G120C, FSD ... FSF inverters
UL category
JDDZ
DIVQ
NKJH
Control
cabinet
3)
≥ 36000 in³
≥ 36000 in³
≥ 36000 in³
≥ 36000 in³
≥ 36000 in³
≥ 36000 in³
≥ 36000 in³
≥ 36000 in³
≥ 36000 in³