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5 Electrical Connection
(A) PV string
(D) Loads
(G) AC circuit breaker
table 5-3 Cable Requirements
No.
Cable
1
DC cable
2
Meter
RS485 cable
(1)
External
3
Grounding
cable
AC cable
4
(3)
5
Ethernet
cable
(1) The cable requirements for COM2 terminal connection are the same.
(2) All the AC wires should be equipped with correctly colored cables for distinguishing.
Please refer to related standards about the wiring color.
(3) Select appropriate OT terminals based on the diameter of the AC cable.
34
(B) Optimizer
(E) Grid
(H) Smart energy meter
Type
Outdoor multi-core
copper wire cable
complying with 600
V and 20 A
standard
Shielded twisted
pair
Outdoor single-core
copper wire cable
Outdoor 3-core
(2)
copper wire cable
CAT 5E outdoor
shielded network
cable
(C) Inverter
(F) External device
Cable Diameter
Cross-section
6 mm ~ 9 mm
4 mm
2 * (0.5 ~ 1.0) mm
4.8 mm ~ 6 mm
4 mm ~ 10 mm
6 mm
SG5.0RS-ADA:
SG5.0RS-ADA: 6 mm
13 mm ~ 19 mm
8 mm
SG8.0RS: 16
SG8.0RS: 8 mm
mm ~ 22 mm
mm
SG9.0/10RS: 18
SG9.0/10RS: 10 mm
mm ~ 25.8 mm
16 mm
8 * (0.08 ~ 0.2) mm
4.8 mm ~ 6 mm
User Manual
2
~ 6 mm
2
2
2
~ 10mm
2
2
~
2
2
~ 10
2
2
~
2
2
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