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• Wiring diagram-three phase
A1-Micro
1 in 1
A1-Micro
1 in 1
A1-Micro
1 in 1
Please connect the corresponding line to the correct port of ECC-PLC as shown in the
following table:
Connected port/line
CT-1 (production CT; optional): White line
CT-1 (production CT; optional): Black line
CT-2 (production CT; optional): White line
CT-2 (production CT; optional): Black line
CT-3 (production CT; optional): White line
CT-3 (production CT; optional): Black line
L1 line
L2 line
L3 line
N line
PE line
CT-4 (consumption CT): White line
CT-4 (consumption CT): Black line
CT-5 (consumption CT): White line
CT-5 (consumption CT): Black line
CT-6 (consumption CT): White line
CT-6 (consumption CT): Black line
ECC: A
ECC: B
ECC: GND
54
Refer to Technical
Data for the number
of microinverters
per AC branch
circuit
A1-Micro
1 in 1
Refer to Technical
Data for the number
of microinverters
per AC branch
circuit
A1-Micro
1 in 1
Refer to Technical
Data for the number
of microinverters
per AC branch
circuit
A1-Micro
1 in 1
ECC
RS485-1
Phase-L1 & L2
CT-1
L3
L2
CT-2
L1
CT-3
N
Ground
Distribution Box
Phase-L1 & L3
Red: L1 line
Black: L2 line
Grey: L3 line
Yellow: N line
Green&yellow: PE line
Phase-L2 & L3
Blue: CT communication line
Green: RS485 communication line
ECC-PLC port
2A+
2A-
2B+
2B-
2C+
2C-
L1
L2
L3
N
PE
1A+
1A-
1B+
1B-
1C+
1C-
A
B
G
ECC-PLC
Electrical grid
CT-4
CT-5
CT-6
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