For single-phase 2 wire
* Numbers in figure refer to steps on p14
Load side
V1
N
(L)
I1
(K)
Main
Breaker
max 63 A
Power grid side
power line
2
(XLPE/PVC, max 16 mm
Storage Battery
Breaker
max 63 A
Solar PV
Breaker
max 63 A
Install a breaker to protect
the unit ensure maintainability
Power
Connection
Breaker
max 20 A
I1
I2
I3
)
Inside Switchboard
(K)
I1
(K)
(L)
I3
I2
I1
I3
13
I1
(L)
Battery
Solar PV
I2
I1
1P2W
3P4W
VN
V3
V2
V1