Sonnen sonnenBatterie 10, Installation Instructions Manual, Page: 34 / 100

6 | Connecting the storage system
34 / 100 Installation instructions sonnenBatterie 10
Installation with single-phase building mains
17
16
14
15
kWh 3~
3
L1
18
4
2
3
1
3
6
5
1
10
9
8
T
L N PE
12
13
L1 L2 L3 N PE
L1 L2 L3 N PE
2
1
L
N
13
Illustration 6: Circuit diagram overview – electrical connection in single-phase mains
1 Consumers in building 10 Power meter WM271
2
CT for consumption - L1
11 Bidirectional counter
3 CT for consumption - L2 (not connected) 12 Public electrical mains
4 CT for consumption - L3 (not connected) 13 MCB for PV inverter
5 RCD (in TT networks
3
) 14 CT for production - L1
6 MCB B20/B25 15 CT for production - L2 (not connected)
7 Transformer interface for consumption (A2) 16 CT for production - L3 (not connected)
8 Storage system 17 PV inverter
9
MCB
4
18 Transformer interface for production (A1)
3
Rated differential current of 300 mA, 100 mA or 30 mA. Type depending on the local conditions. Country-specific requirements must be ob-
served.
4
Protection of the line must be ensured.