Electrical Installation
6
Figure 21: Circuit diagram overview – electrical connection
1 Consumers in building
8
Storage system
2 Transformer interface for consumption (A2)
9
Miniature circuit breaker B16
3 Current transformer for consumption – L1
10
RCD | Type B | 30 mA
4 Current transformer for consumption – L2
11
Miniature circuit breaker
2
5 Current transformer for consumption – L3
12
Power meter WM271
6 Mains line
13
Public electrical mains
7 Mains connection socket XAC
14
Bidirectional counter
2
Protection of the line must be ensured.
KD-421 | Part no. 22136 | EN | X03
29 / 68
N L1 L2 L3
A1 A2
3
1
2
1 2 3
L1 L2 L3 N PE
kWh 3~
L1 L2 L3 N PE
12
11
2
1
9
10
14
13
3
4
5
BN BK GY BU GNYE
6
8
7