Single-Phase Two-Wire with Neutral (only 240 V-3)
Three-Phase Four-Wire Wye
Three-Phase Three-Wire Delta without Neutral (only 240 V-3 and 480 V-3)
12
D-
Fronius
Inverter
D+
-
CT L1
WHITE
CT L2
BLACK
CT L3
Source
Faces
Load
Faces
Current
Transformers
D-
Fronius
Inverter
D+
-
CT L1
WHITE
CT L2
BLACK
CT L3
Source
Faces
Load
Faces
Current
Transformers
Fronius Smart Meter
Fronius Smart Meter
Ground
N
L1
L2
L3
Fuses or Break-
er ≤ 20 A
Phase L1
Phase L2
Phase L3
Neutral
Ground
N
L1
L2
L3
Fuses or
Breaker ≤ 20 A
Phase L1
Phase L2
Phase L3