The Sungrow SG33CX 33kW On-Grid Inverter is a high-performance three-phase solar solution engineered for commercial and industrial applications. Designed to deliver maximum efficiency and reliability, it offers an impressive efficiency of up to 98.6%, ensuring optimal energy conversion and reduced operational losses.
Equipped with 3 independent MPPT trackers, the inverter maximizes solar energy harvest even in complex installations with multiple panel orientations. Its wide MPPT voltage range (200V–1000V) and high PV input capacity make it ideal for large-scale solar systems.
Built with advanced safety features including DC Type II surge protection, PID recovery, and arc fault protection, the SG33CX ensures secure and stable operation. The IP66-rated enclosure and smart forced air cooling system allow it to perform efficiently in harsh environmental conditions.
High efficiency up to 98.6% (98.3% European efficiency)
3 independent MPPT trackers for optimized energy yield
Wide MPPT voltage range (200V – 1000V)
Max PV input voltage up to 1100V
Smart IV monitoring & real-time system tracking
Built-in PID recovery function
Advanced safety with DC Type II surge protection
Arc fault circuit protection & grid monitoring
IP66 rated for dust & water resistance
Smart forced air cooling system
Supports WiFi, RS485 & Ethernet communication
Suitable for commercial & industrial solar systems
Product Specifications
Type
on-grid (grid-tied) inverter
phase
three phase
max. pv input voltage
1100 v
min. pv input / start voltage
200 v / 250 v
nominal pv input voltage
585 v
mppt voltage range
200 – 1000 v
mppt range (nominal power)
550 – 850 v
no. of mppts
3
max pv input current
78 a
max dc short circuit current
120 a
rated output power
33 kva @ 45°c, 400vac
max ac output current
55.2 a
nominal ac voltage
3 / n / pe, 230 / 400 v
grid frequency
50 / 60 hz
thd
< 3%
max efficiency
98.6%
european efficiency
98.3%
power factor
> 0.99
dc reverse connection protection
yes
ac short circuit protection
yes
leakage current protection
yes
grid monitoring
yes
dc switch
yes
ac switch
no
pid recovery
yes
surge protection
dc type ii / ac type ii
dimensions (w×h×d)
702 × 595 × 310 mm
weight
50 kg
protection rating
ip66
cooling method
smart forced air cooling
operating temperature
-30°c to 60°c
max operating altitude
4000 m (derating above 3000 m)
humidity range
0 – 100% (non-condensing)
Product Details
The Sungrow SG33CX 33kW On-Grid Inverter is a high-performance three-phase solar solution engineered for commercial and industrial applications. Designed to deliver maximum efficiency and reliability, it offers an impressive efficiency of up to 98.6%, ensuring optimal energy conversion and reduced operational losses.
Equipped with 3 independent MPPT trackers, the inverter maximizes solar energy harvest even in complex installations with multiple panel orientations. Its wide MPPT voltage range (200V–1000V) and high PV input capacity make it ideal for large-scale solar systems.
Built with advanced safety features including DC Type II surge protection, PID recovery, and arc fault protection, the SG33CX ensures secure and stable operation. The IP66-rated enclosure and smart forced air cooling system allow it to perform efficiently in harsh environmental conditions.
With integrated smart monitoring via RS485, WiFi, and Ethernet options, users can track system performance in real-time and manage operations remotely with ease.