Skip to main content
SUN-33K-G03 vs SG33CX 9 of 18 identical Swap Change inverters

Deye SUN-33K-G03 vs Sungrow SG33CX

Deye SUN-33K-G03
Deye
SUN-33K-G03
33 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG33CX
Sungrow
SG33CX
33 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SUN-33K-G03 leads on the differences that matter

The largest is max dc voltage: 100 V apart. 9 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
9 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 18 parameters
Parameter SUN-33K-G03 SG33CX Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 40.0 A 26.0 A 14.0 A more headroom
Weight 44.5 kg 50.0 kg 5.5 kg lighter
European efficiency 98.0 % 98.3 % 0.3 pp more efficient
Max AC current 52.8 A 55.2 A 2.4 A apart
Max operating temperature 65 °C 60 °C 5 °C more heat tolerant
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 200-850 V 200-1000 V 200-850 V vs 200-1000 V
Dimensions 537x648x304 mm 595x702x310 mm 537x648x304 mm vs 595x702x310 mm
02

Full specification

Parameter SUN-33K-G03 SG33CX Difference
AC output
Rated AC power 33.00 kW 33.00 kW Same
Max AC power 36.30 kW 36.30 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 52.8 A 55.2 A 2.4 A apart
PV input
Max PV power 42.90 kW - Not published by Sungrow
DC/AC ratio 1.30 - Not published by Sungrow
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 200-850 V 200-1000 V 200-850 V vs 200-1000 V
Start voltage 250 V 250 V Same
MPP trackers 4 - Not published by Sungrow
Strings per tracker - 2 Not published by Deye
Max input current per tracker 40.0 A 26.0 A +14.0 A for SUN-33K-G03
Efficiency
European efficiency 98.0 % 98.3 % +0.3 pp for SG33CX
Max efficiency 98.7 % 98.6 % Effectively the same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input - - Neither datasheet publishes this
Battery voltage - - Neither datasheet publishes this
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 44.5 kg 50.0 kg -5.5 kg for SUN-33K-G03
Weight per kW 1.3 kg/kW 1.5 kg/kW Effectively the same
Dimensions 537x648x304 mm 595x702x310 mm 537x648x304 mm vs 595x702x310 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise 45 dB - Not published by Sungrow
Max operating temperature 65 °C 60 °C +5 °C for SUN-33K-G03
Connectivity and safety
Wi-Fi Yes - Not published by Sungrow
Ethernet Yes - Not published by Sungrow
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Deye SUN-33K-G03 vs Growatt MID 33KTL3-X
13 differences, the largest is european efficiency
Same type, similar size
Sungrow
Deye SUN-33K-G03 vs Sungrow SG33T-P2-CN
13 differences, the largest is max dc voltage
Same type, similar size
Sungrow
Deye SUN-33K-G03 vs Sungrow SG33CX-P2
15 differences, the largest is max dc voltage
Same type, similar size
Sofar Solar
Sungrow SG33CX vs SOFAR 33KTLX-G3
9 differences, the largest is max input current per tracker
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.