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3.3 Ba�ery connec�on
For safe opera�on and compliance, a separate DC over-current protector or disconnect device is
required between the ba�ery and the inverter. In some applica�ons, switching devices may not
be required but over-current protectors are s�ll required. Refer to the typical amperage in the
table below for the required fuse or circuit breaker size.
Pic 3.1 DC+ male connector
Pic 3.2 DC- female connector
Blue
Safety Hint:
Please use approved DC cable for ba�ery system.
Cable type
Range
Recommended value
Cross section
（mm ）
Industry generic PV cable
6.0~10.0
(10~8AWG)
8.0(8AWG)
Chart 3-2
The steps to assemble the DC connectors are listed as follows:
a) Strip off the DC wire about 7mm, disassemble the connector cap nut (see picture 3.3)
.
Pic 3.3 Disassemble the connector cap nut
7mm
7mm
3.75±0.2mm
5.2±0.2mm
6±0.2mm
3.97±0.5mm
3.75±0.2mm
6±0.2mm
Blue
