Installation
4.2 Electrical Installation
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
45
4.2.8
Branch circuit protection of individual inverters
When you install a dedicated 400 V branch for each inverter, then you must individually
fuse/protect each branch.
Figure 4-8
Power supply to inverters through their own dedicated 400 V branch
Branch circuit protection according to the IEC standard
Table 4- 2
Branch circuit protection according to the IEC standard
Rated power Power Module
Frame
size
Article No.
Max. rated
current of the
protection de-
vice
Fuse
Circuit-breaker
0.75 kW
6SL3525-0PE17-5AA1 FSA
3NA3803
3RV2011-1JA10
10 A
1.5 kW
6SL3525-0PE21-5AA1
3 kW
6SL3525-0PE23-0AA1 FSB
3NA3805
3RV2011-4AA10 16 A
4 kW
6SL3525-0PE24-0AA1 FSC
3NA3807
3RV2021-4BA10 20 A
5.5 kW
6SL3525-0PE25-5AA1
7.5 kW
6SL3525-0PE27-5AA1
3NA3812
3RV2021-4PA10 32 A