Sungrow SG80KTL Quick Installation Guide

6
3-2 Cables Selection

AC Cable
A
B
PE
L1
L2
L3
C
D
No.
Description
Remark
A
Protective layer
External diameter of the cable: 30.5-50 mm
B
Length of insulation to be
stripped off
24 mm
C
Insulation layer
-
D Cross section of AC cables
Range: 30-150mm
2
; recommended value: 70
mm
2
* The external diameter of the AC cable described in A is proper range.

If you select AC cable with the external diameter within the range of 30.5-40
mm, please select the smaller AC cable gland.

If you select AC cable with the external diameter within the range of
40-50mm, please select the larger AC cable gland.
The following table gives the recommended max. length of the AC cables based
on the cross-section of the AC cables.
Cross-section of the AC cable (mm
2
)
Max. length of the AC cables (m)
35
0-50
50
50-100
70
>100

DC Cables
Cross-sectional
area
Cable
External
diameter
Max.
withstand
voltage
Max. input current for
each PV string
4~6mm
2
12AWG~10AWG
6~9mm 1100V 12A

Second PE Cable
The cross-sectional area of the second PE cable shall be exactly the same with
that of the PE cable of the AC cable.

RS485 communication cables

Sungrow SG80KTL Specifications

General

Brand	Sungrow
Model	SG80KTL
Category	Inverter
Language	English