Sungrow SG8K3-D - Assembling the PV Connector

User Manual 5 Electrical Connection
35
Type
Total PV Input
Power Limit
Open-circuit
Voltage Limit
Short-circuit
Current Limit
SG3K-D
4000 W
600 V
24 A
SG4K-D
5200 W
600 V
24 A
SG5K-D
6500 W
600 V
24 A
SG6K-D
7800 W
600 V
24 A
SG8K3-D
10800 W
600 V
45 A
To avoid the
input power unbalance of the two inputs or input
load-restriction, ensure the two PV input cables are of the same type.
5.4.2 Assembling the PV Connector
All PV cables are equipped with the water-proof direct plug-in connectors which
match the PV terminals at the bottom of the inverter.
The PV cables must be multi-core cable.
To ensure the protection degree IP65, only use the connectors
delivered or connectors with the same protection degree.
The requirements of PV cables are as follows.
Cross-section
Cable Diameter
Max. Withstand
Voltage
Max. Withstand
Current
4 mm
2
–6 mm
2
6 mm–9 mm 600 V
Equal to or greater
than short-circuit
current
Procedure:
1. Strip the insulation from the cables
by 7 mm.
7mm
2. Assemble the cable ends
by crimping pliers.
Positive Crimp Contact
Negative Crimp Contact