Sungrow SG33CX User Manual

5 Electrical Connection User Manual
30
A
Inverter
B C
1
3
4
2
D
Item
Designation
A
PV string
B
Grid
C
Monitoring device
D
AC circuit breaker
Tab. 5-1 Cable requirements
No.
Cable
Type
Specification
Outer
diameter
(mm)
Cross section
(mm
2
)
1
DC cable
PV cable complying
with 1,500V
standard
6~9
4~6
2
Additional
Grounding
cable
Outdoor single-core
copper wire cable
/
The same as that
of the PE wire in
the AC cable
3
AC cable
Outdoor multi-core
copper or aluminium
cable (Copper and
aluminium adapter
terminals are
required when using
aluminium cable)
20~50
L1,L2,L3,Nwire(S
G33CX): 16~35
L1,L2,L3,Nwire(S
G40CX): 25~50
L1,L2,L3,N
wire(SG50CX):
35~70
PE wire: refer to
Tab. 5-2
4
Communic
ation cable
Shielded twisted pair
(terminal block)
4.5~18
1~1.5
CAT-5 Ethernet
cable (RJ45)
/

Sungrow SG33CX Specifications

General

Model	SG33CX
Manufacturer	Sungrow
Rated Power	33 kW
Max DC Voltage	1100 V
Max Efficiency	98.7%
Start Voltage	200 V
Total Harmonic Distortion	< 3%
Power Factor at Rated Power	1
DC Connection Type	MC4
Allowable Relative Humidity Range	0 - 100%
Operating Altitude	4000 m
MPPT Voltage Range	200 V - 1000 V
AC Voltage Range	310 V - 480 V
Rated Grid Frequency	50 Hz / 60 Hz
Adjustable Power Factor Range	0.8 leading to 0.8 lagging
Operating Ambient Temperature Range	-25 °C ... +60 °C
Communication	RS485