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(Region:EU)
L wireCAN N wire PE wire
3.11 Single phase (230Vac) parallel connection diagram
N L N L N L
Load
GEN
Grid
Parallel
Master
Slave
Modbus SN
01
A Phase
B Phase
C Phase
Advanced Function
Paral.
Set3
Parallel
Master
Slave
Modbus SN
02
A Phase
B Phase
C Phase
Advanced Function
Paral.
Set3
Parallel
Master
Slave
Modbus SN
03
A Phase
B Phase
C Phase
Advanced Function
Paral.
Set3
Master inverter Slave Inverter Slave Inverter
Parallel AParallel B
Inverter
No.3
(slave)
Inverter
No.2
(slave)
Inverter
No.1
(master)
Battery pack
① DC
Breaker
② DC
Breaker
③ DC
Breaker
Grid
Backup Load
L
N
PE
LNPE
Ground
Home Load
④
⑥
⑨
⑩
Grid
①②③ DC Breaker for battery
⑤⑦⑨ AC Breaker for grid port
④⑥⑧ AC Breaker for
backup load port
⑩ AC Breaker
Depends on Home Load
SUN 8K-SG: 63A AC breaker
⑦
⑤
⑧
CT
Arrow pointing
to inverter
The primary side of the CT
needs to be clamped on the
Grid live line.
N L N L N L
Load
GEN
Grid
N L
N L
N L
Load
N L N L N L
Load
GEN
Grid
Inverter
SUN 8K-SG: 250A DC breaker
SUN 8K-SG: 63A AC breaker
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