Sungrow SG50CX User Manual

115
Parameters SG30CX-NI SG50CX-NI
DC reverse polarity pro-
tection
Yes
AC short circuit
protection
Yes
Leakage current
protection
Yes
Grid monitoring
Yes
Ground fault monitoring
Yes
DC switch
No
(10)
AC switch
Yes
PV string monitoring Yes
Q at night function
Yes
PID recovery function
Yes
DC Terminal Protective
Cover
Yes
Surge protection
DC Type II / AC Type II
General Data
Dimensions (W×H×D) 702×595×310mm 782×645×310mm
Weight
50 kg 62 kg
Topology Transformerless
Degree of protection IP66
Night power
consumption
≤2 W
Operating ambient tem-
perature range
-30 ~ 60 ℃ (> 45 ℃ derating)
Allowable relative humid-
ity range
0 ~ 100%
Cooling method
Smart forced air cooling
Max. operating altitude
4000 m (> 3000 m derating)
Display
LED, Bluetooth + App
Communication
RS485 / WLAN / Optional: Ethernet
DC connection type
MC4 (Max. 6 mm
2
)
AC connection type
OT or DT terminal (Max.70 mm
2
)
Grid Support
Q at night function, LVRT, HVRT, active & reactive power con-
trol and power ramp rate control
Country of manufacture China
Note(8):The inverter enters the standby state when the input voltage ranges between 1,000
V and 1,100 V. If the maximum DC voltage in the system can exceed 1000 V, the MC4
User Manual 10 Appendix

Sungrow SG50CX Specifications

General

Max. DC Voltage	1100 V
MPPT Voltage Range	200 V - 1000 V
Max. Input Current per MPPT	26 A
Number of MPPTs	4
Rated AC Output Power	50 kW
Max. AC Output Current	76 A
Frequency	50 Hz / 60 Hz
Efficiency	98.6%
Start Voltage	200 V
Number of DC Inputs per MPPT	2
Max. AC Apparent Power	55 kVA
AC Voltage Range	310 V - 480 V
Power Factor at Rated Power	1
Adjustable Power Factor Range	0.8 leading - 0.8 lagging
THDi	< 3%
DC Switch	Yes
AC Surge Protection	Type II
DC Surge Protection	Type II
Protection Class	I
Cooling Method	Smart forced air cooling
Protection Degree	IP66
Protection Level	IP66
Operating Temperature Range	-25°C to +60°C
Humidity	0-100%
AC Output Voltage	3 / N / PE, 220 V / 380 V, 230 V / 400 V