Ground
L wireCAN N wire PE wire
Battery pack
Grid
CAN/RS 485
L1
N
PE
L2
L3
LoadGEN Grid LoadGEN Grid LoadGEN Grid
A Phase Inverter No.1(master)
B Phase Inverter No.2(master)
C Phase Inverter No.3(master)
Backup Load
A Phase Master inverter B Phase Master inverter C Phase Master inverter
ON
1 2
ON
1 2
ON
1 2
BMS 485
parallel_1parallel_2RS485
BMS CAN DRMs
Home load
L3
L2
L1
N-BAR
E-BAR
� AC Breaker
� AC Breaker
� AC Breaker
��� DC Breaker for battery
� DC
Breaker
� DC
Breaker
� DC
Breaker
CT1
CT2
CT3
SUN 3.6K-SG: 120A DC breaker
SUN 5K-SG: 150A DC breaker
� AC Breaker for grid port
SUN 3.6K-SG: 40A AC breaker
SUN 5K-SG: 40A AC breaker
� AC Breaker for backup load
SUN 3.6K-SG: 32A AC breaker
SUN 5K-SG: 40A AC breaker
� AC Breaker
Depends on Homeload
CT
Arrow pointing
to inverter
4.16. Three-Phase Parallel Inverter