Siemens SINAMICS G120D - Page 31

Installation
3.9 Branch circuit protection of individual inverters
SINAMICS G120D converter
Getting Started, 07/2016, FW V4.7 SP6, A5E38556189B AA
31
Branch circuit protection according to the UL standard
Use in the American market requires protection devices that meet UL standards as detailed
in the following tables.
Table 3- 3 Overview of the approved protection devices/fuses according to UL standards
Protection device
UL category
Fuses of any manufacturer with faster tripping characteristic than class RK5, e.g.
class J, T, CC, G, or CF
JDDZ
SIEMENS circuit breaker
DIVQ
Type E combination motor controller (designation according to the UL standard - is
available as SIEMENS circuit breaker)
NKJH
Table 3- 4 Branch circuit protection with non-semiconductor fuses of Classes J, T, CC, G or CF (UL
Category JDDZ)
Rated power
Power Module
Frame
size
Max. rated current
of the fuse
Short circuit current rating
SCCR
0.75 kW
6SL3525-0PE17-5AA1
FSA
10 A
100 kA, 480 V 3 AC
1.5 kW
6SL3525-0PE21-5AA1
15 A
100 kA, 480 V 3 AC
3 kW
6SL3525-0PE23-0AA1
FSB
25 A
100 kA, 480 V 3 AC
4 kW
6SL3525-0PE24-0AA1
FSC
35 A
100 kA, 480 V 3 AC
5.5 kW
6SL3525-0PE25-5AA1
45 A
100 kA, 480 V 3 AC
7.5 kW
6SL3525-0PE27-5AA1
60 A
100 kA, 480 V 3 AC
Table 3- 5 Branch circuit protection according to UL Categories DIVQ and NKJH
Rated
power
Power Module
Frame
size
Article No.
UL cat.
Max. rated current of
the circuit breaker
Short circuit current
rating SCCR
0.75 kW 6SL3525-0PE17-5AA1 FSA
3RV2711…
DIVQ
15 A
65 kA, 480Y/277 V AC
3RV1742…,
LGG… or CED6…
DIVQ 15 A 65 kA, 480 V 3 AC
3RV2021-1JA…
NKJH
10 A
65 kA, 480Y/277 V AC
1.5 kW 6SL3525-0PE21-5AA1 FSA
3RV2711…
DIVQ
15 A
65 kA, 480Y/277 V AC
3RV1742…,
LGG… or CED6…
DIVQ 15 A 65 kA, 480 V 3 AC
3RV2021-1JA…
NKJH
10 A
65 kA, 480Y/277 V AC
3 kW 6SL3525-0PE23-0AA1 FSB 3RV1742…,
LGG…, or CED6…
DIVQ 25 A 65 kA, 480 V 3 AC
3RV2721…
DIVQ
22 A
50 kA, 480Y/277 V AC
3RV2021-4AA…
NKJH
16 A
65 kA, 480Y/277 V AC
3RV1031-4AA… or
3RV2031-4AA…
NKJH 16 A 65 kA, 480Y/277 V AC