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SG33CX vs SG33CX-P2 12 of 19 identical Swap Change inverters

Sungrow SG33CX vs Sungrow SG33CX-P2

Sungrow SG33CX
Sungrow
SG33CX
33 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG33CX-P2
Sungrow
SG33CX-P2
33 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG33CX-P2 leads on the differences that matter

The largest is max input current per tracker: 4.0 A more headroom. 12 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
12 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 19 parameters
Parameter SG33CX SG33CX-P2 Difference
Max input current per tracker 26.0 A 30.0 A 4.0 A more headroom
Max AC power 36.30 kW 33.00 kW 3.30 kW apart
Weight 50.0 kg 38.0 kg 12.0 kg lighter
Start voltage 250 V 200 V 50 V earlier start
Weight per kW 1.5 kg/kW 1.2 kg/kW 0.4 kg/kW lighter
MPPT voltage range 200-1000 V 160-1000 V 200-1000 V vs 160-1000 V
Dimensions 595x702x310 mm 575x645x245 mm 595x702x310 mm vs 575x645x245 mm
02

Full specification

Parameter SG33CX SG33CX-P2 Difference
AC output
Rated AC power 33.00 kW 33.00 kW Same
Max AC power 36.30 kW 33.00 kW 3.30 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 55.2 A 55.2 A Same
PV input
Max PV power - 46.20 kW Not published by Sungrow
DC/AC ratio - 1.40 Not published by Sungrow
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 200-1000 V 160-1000 V 200-1000 V vs 160-1000 V
Start voltage 250 V 200 V -50 V for SG33CX-P2
MPP trackers - 3 Not published by Sungrow
Strings per tracker 2 2 Same
Max input current per tracker 26.0 A 30.0 A +4.0 A for SG33CX-P2
Efficiency
European efficiency 98.3 % 98.3 % Same
Max efficiency 98.6 % 98.5 % 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 50.0 kg 38.0 kg -12.0 kg for SG33CX-P2
Weight per kW 1.5 kg/kW 1.2 kg/kW -0.4 kg/kW for SG33CX-P2
Dimensions 595x702x310 mm 575x645x245 mm 595x702x310 mm vs 575x645x245 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - - Neither datasheet publishes this
Ethernet - - Neither datasheet publishes this
Arc fault protection - Yes Not published by Sungrow
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

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04

Written summary

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