Sungrow SG100K3 User Manual

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4
4.
Electrical Connection
Chapter 4 describes the step-by-step electrical connection process needed to
complete the installation the SG100K3.
Note :: All wiring methods and processes should be in accordance with
Local Electrical Code.
4.1.
W i re Specifications
The DC input wires (including DC positive and DC negative) must be chosen
according to the recommended rating below.
Table 4-1 DC wires recommended sizes
Type
Requirements ( mm
2
)
Requirements ( AWG )
DC + wire
2 input wires with each 70 mm
2
1/0
DC- wire
2 input wires with each 70 mm
2
1/0
M8 Bolt (DC + and DC-)
The AC output wires (including L 1 , L 2 , and L3) must be chosen according to the
recommended sizes below.
Tab l e 4 - 2
AC wires recommended sizes
Type
Requirements ( mm
2
)
Requirements ( AWG )
Grid phase L 1 wire
70 to 85
2/0 to 3/0
Grid phase L 2 wire
70 to 85
2/0 to 3/0
Grid phase L 3 wire
70 to 85
2/0 to 3/0
Grid phase N wire
70 to 85
2/0 to 3/0
M8 Bolt (L 1 , L 2, L 3 )
The ground wires must be chosen according to the recommended sizes below.
Table 4-3 Ground wires recommended sizes
Type
Requirements ( mm
2
)
Requirements ( AWG )
Ground wire
70 to 85
2/0 to 3/0
M8 Bolt
The communication wires must be chosen according to the recommended sizes
below.
Table 4-4 Communication wires recommended sizes
Type
Requirements ( mm
2
)
Requirements ( AWG )
Communication wire
0.75
18
Based on the above tables, users should use proper wires for different terminals with
different specifications.

Sungrow SG100K3 Specifications

General

Brand	Sungrow
Model	SG100K3
Category	Inverter
Language	English