Sungrow SG2K-S Quick User Manual

3 Electrical Connection Quick User Manual
10
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

Strip the insulation from the cables by 7 mm–8 mm.

Tighten the cable gland with torque of 2.5 Nm–3.0 Nm.
Positive crimp contact
Negative crimp contact
Crimp contact
Positive insulator
Cable gland
Negative insulator
Crimp contact
Cable gland
1
PV2
PV2
PV1
PV1
480.0
+
-
3
2
ON
OFF
4
+
-
PV
+
-
-
+
PV
+
PV
-
PV
* (-D series) Seal the unused PV terminals with the terminal caps.
The inverter will not function properly if any PV polarity is reversed.
If the PV connectors are not assembled into place, it may cause an arc
or overheat. The loss caused by this issue will void the warranty.

Sungrow SG2K-S Specifications

General

Brand	Sungrow
Model	SG2K-S
Category	Inverter
Language	English