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4
Electrical Connections
4.1
Preparations
Before connecting cables, ensure that all required OT terminals and cables are available. Copper-core
cables with copper wiring terminals are recommended. For the requirements on the cables and terminals
made of other materials, see the SUN2000-(33KTL, 40KTL)-JP User Manual.
No. Name
Model or
Specifications
1
OT
M6
terminal
2
OT
M8
terminal
3
Ground
Outdoor
cable
copper-core
cable with a
cross-sectional
area of 5.5 mm
4
AC output
Outdoor
power
copper-core
cable
cable with a
cross-sectional
area of 22 mm
5
DC input
PV1-F cable
power
with a cross-
cable
sectional area
of 3.5 mm
6
Communic
Communication
ations
s cable with a
cable
cross-sectional
area of 1 mm
Outdoor
shielded
network cable
CAT 5E
7
Cable tie
N/A
Quantity
1 PCS
3 PCS
N/A
2
N/A
2
N/A
2
N/A
2
Based on site
requirements
Function
Description
Connects to a
If you connect ground cables to ground
ground cable.
points on the chassis shell or in the
maintenance compartment, use M6 OT
terminals.
Connects to an AC
N/A
output power cable.
•
Connects to a
ground cable.
•
•
Connects to an AC
output power cable.
•
Connects to a DC
N/A
input power cable.
•
Connects to an
RS485
communications
•
cable over a
terminal block.
Connects to an
RS485
communications
cable over an RJ45
network port.
Binds cables.
N/A
4
If you choose the ground point on
the chassis shell for connecting a
ground cable, prepare the ground
cable.
If you choose the ground point in the
maintenance compartment for
connecting a ground cable, use a
four-core AC output power cable
and do not have to prepare a ground
cable.
If you choose the ground point in the
maintenance compartment for
connecting a ground cable, use a
four-core cable. Otherwise, use a
three-core cable.
If the inverter adopts RS485, a CV
or CVT cable is recommended.
If RS485 communication is used,
prepare the RS485 communications
cable.
An RS485 cable can connect to
either a terminal block or an RJ45
network port. It is recommended
that the RS485 cable connect to a
terminal block.
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