Sungrow SG33CX - Page 92

10 Appendix User Manual
82
Parameters
SG33CX
SG40CX
SG50CX
Nominal AC voltage
3 / N / PE，230 / 400V
AC voltage range
312~528V
Nominal grid
frequency/Grid
frequency range
50Hz / 45~55Hz，60Hz / 55~65Hz
Total harmonic distortion
(THD)
< 3 % (at nominal power)
DC current injection
<0.5%In
Power factor
>0.99
Adjustable power factor
0.8 leading – 0.8 lagging
Feed-in phases /
Connection phases
3/3
Efficiency
Max. efficiency /
European efficiency
98.6% / 98.3%
98.6% / 98.3%
98.7% / 98.4%
Protection
DC reverse connection
protection
Yes
AC short-circuit
protection
Yes
Leakage current
protection
Yes
Grid monitoring
Yes
DC switch / AC switch
Yes / No
PV string current
monitoring
Yes
Q at night
Yes
PID recovery function
Optional
Overvoltage protection
DC Type II / AC Type II
General Data
Dimensions (W*H*D)
702 × 595 ×
310mm
782 × 645 ×
310mm
782 × 645 ×
310mm
Weight
50kg
58kg
62kg
Isolation method
Transformerless
Degree of protection
IP66
Night power
consumption
≤2 W
Operating ambient
temperature range
-30 to 60 ℃ (> 45 ℃ derating)
Allowable relative
humidity range
(non-condensing)
0 - 100%
Cooling method
Smart forced air cooling
Max. operating altitude
4000 m (> 3000 m derating)
Display
LED, Bluetooth + APP
Communication
RS485/ Wi-Fi(optional)/Ethernet(optional)