Skip to main content
SG33T-P2-CN vs SUN-33K-G03 7 of 20 identical Swap Change inverters

Sungrow SG33T-P2-CN vs Deye SUN-33K-G03

Sungrow SG33T-P2-CN
Sungrow
SG33T-P2-CN
33 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Deye SUN-33K-G03
Deye
SUN-33K-G03
33 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG33T-P2-CN leads on the differences that matter

The largest is max dc voltage: 100 V apart. 7 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
7 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 20 parameters
Parameter SG33T-P2-CN SUN-33K-G03 Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 50.0 A 40.0 A 10.0 A more headroom
Weight 25.0 kg 44.5 kg 19.5 kg lighter
Noise 55 dB 45 dB 10 dB quieter
European efficiency 98.3 % 98.0 % 0.3 pp more efficient
Weight per kW 0.8 kg/kW 1.3 kg/kW 0.6 kg/kW lighter
Max AC current 55.0 A 52.8 A 2.2 A apart
Start voltage 180 V 250 V 70 V earlier start
MPP trackers 3 4 1 tracker more
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 160-1000 V 200-850 V 160-1000 V vs 200-850 V
Dimensions 466x615x225 mm 537x648x304 mm 466x615x225 mm vs 537x648x304 mm
02

Full specification

Parameter SG33T-P2-CN SUN-33K-G03 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 55.0 A 52.8 A 2.2 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 1100 V 1000 V 100 V apart
MPPT voltage range 160-1000 V 200-850 V 160-1000 V vs 200-850 V
Start voltage 180 V 250 V -70 V for SG33T-P2-CN
MPP trackers 3 4 +1 trackers for SUN-33K-G03
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker 50.0 A 40.0 A +10.0 A for SG33T-P2-CN
Efficiency
European efficiency 98.3 % 98.0 % +0.3 pp for SG33T-P2-CN
Max efficiency 98.6 % 98.7 % 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 25.0 kg 44.5 kg -19.5 kg for SG33T-P2-CN
Weight per kW 0.8 kg/kW 1.3 kg/kW -0.6 kg/kW for SG33T-P2-CN
Dimensions 466x615x225 mm 537x648x304 mm 466x615x225 mm vs 537x648x304 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling forced-air forced-air Same
Noise 55 dB 45 dB -10 dB for SUN-33K-G03
Max operating temperature 60 °C 65 °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
Sungrow SG33T-P2-CN vs Growatt MID 33KTL3-X
9 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Sungrow SG33T-P2-CN vs Sungrow SG33CX
6 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Sungrow SG33T-P2-CN vs Sungrow SG33CX-P2
6 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.