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L wire
CAN
N wire
PE wire
BMS1
BMS2
Grid
Backup Load
Inverter
①DC
Breaker
②AC Breaker
③AC Breaker
④AC Breaker
Battery pack
Home Load
L1
L1
L2
L2
L3
L3
N
N
PE
PE
L1
L2
L3
N
PE
① 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
② 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
③ AC Breaker for grid
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
④AC Breaker for home load
Depends on household loads
Ground
CT1
CT2
CT3