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L wire
CAN
N wire
PE wire
3.12 Three phase parallel connec�on diagram
Inverter
Master inverter
Slave Inverter
Slave Inverter
Parallel
Master
Slave
Modbus SN
02
Advanced Function
Paral.
Set3
EX_Meter For CT
Meter Select
0/3
No Meter
Parallel
Master
Slave
Modbus SN
03
Advanced Function
Paral.
Set3
EX_Meter For CT
Meter Select
0/3
No Meter
Parallel
Master
Slave
Modbus SN
Advanced Function
Paral.
Set3
EX_Meter For CT
Meter Select
0/3
No Meter
01
Grid
Backup Load
Inverter
No.3
(slave)
Inverter
No.2
(slave)
Inverter
No.1
(master)
④
⑥
⑦
⑨
⑩
⑤
②
③
Battery pack
Home Load
L1 L2 L3
N
PE
L1
L2
L3
N
PE
CT
Arrow pointing
to
inverter
①②③ DC Breaker for battery
SUN 25K-SG-EU: 100A DC breaker
SUN 30K-SG-EU: 100A DC breaker
SUN 40K-SG-EU: 100A DC breaker
SUN 50K-SG-EU: 100A DC breaker
④⑥⑧ AC Breaker for grid port
SUN 25K-SG-EU: 180A AC breaker
SUN 30K-SG-EU: 180A AC breaker
SUN 40K-SG-EU: 180A AC breaker
SUN 50K-SG-EU:180A AC breaker
⑤⑦⑨ AC Breaker for backup load
SUN 25K-SG-EU: 180A AC breaker
SUN 30K-SG-EU: 180A AC breaker
SUN 40K-SG-EU: 180A AC breaker
SUN 50K-SG-EU:180A AC breaker
⑩ AC Breaker for home load
Depends on household loads
Max. 10pcs parallel for on-grid and off-grid opera�on.
⑧
Ground
Ground
Ground
Battery pack
①
Battery pack
CT1
CT2
CT3
Parallel_1 Parallel_2
Meter
CAN
DRM
BMS1
BMS2
RS485
Note: unlike cases of other hybrid
inverter with LV ba�ery, HV ba�ery
can only be connected separately to
HV hybrid inverters.