Sungrow SG8K3-D - Terminal Descriptions

User Manual 5 Electrical Connection
27
A
B
C
D
L
N
PE
PE
Fig. 5-1 Electrical Connection Diagram
Item
Name
Remarks
A PV strings
-S series: one pair of PV terminals.
-D series: three pairs for SG8K3-D and two pairs
for other –D inverters.
B
Wi-Fi module
RS485 communication.
C
AC circuit
breaker
Used as a protective device during electrical
connection. User equips this device according to
the maximum output voltage and current.
The PE wire of the AC terminal must be directly
connected to the grounding bar. Do not connect it to
protection devices such as the circuit breaker.
D
Utility grid
220 Vac / 230Vac / 240 Vac.
5.1 Terminal Description
All electrical terminals are located at the bottom of the inverter.
1 2
53 4
PV2
PV2
PV1
PV1
Fig. 5-2 Terminal Description