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SG33CX-P2-CN vs MID 33KTL3-X 11 of 18 identical Swap Change inverters

Sungrow SG33CX-P2-CN vs Growatt MID 33KTL3-X

Sungrow SG33CX-P2-CN
Sungrow
SG33CX-P2-CN
33 kW Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 33KTL3-X
Growatt
MID 33KTL3-X
33 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

7 differences, and they point both ways

The largest is max input current per tracker: 4.0 A more headroom. 11 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
11 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 18 parameters
Parameter SG33CX-P2-CN MID 33KTL3-X Difference
Max input current per tracker 30.0 A 26.0 A 4.0 A more headroom
Max AC power 36.30 kW 36.60 kW 0.30 kW apart
Weight 35.0 kg 29.5 kg 5.5 kg lighter
Start voltage 200 V 250 V 50 V earlier start
Max efficiency 98.6 % 98.8 % 0.2 pp more efficient
MPPT voltage range 160-1000 V 200-1000 V 160-1000 V vs 200-1000 V
Dimensions 575x605x245 mm 435x580x230 mm 575x605x245 mm vs 435x580x230 mm
02

Full specification

Parameter SG33CX-P2-CN MID 33KTL3-X Difference
AC output
Rated AC power 33.00 kW 33.00 kW Same
Max AC power 36.30 kW 36.60 kW 0.30 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 55.2 A 55.5 A Effectively the same
PV input
Max PV power - 49.50 kW Not published by Sungrow
DC/AC ratio - 1.50 Not published by Sungrow
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 160-1000 V 200-1000 V 160-1000 V vs 200-1000 V
Start voltage 200 V 250 V -50 V for SG33CX-P2-CN
MPP trackers 3 - Not published by Growatt
Strings per tracker 2 2 Same
Max input current per tracker 30.0 A 26.0 A +4.0 A for SG33CX-P2-CN
Efficiency
European efficiency - 98.5 % Not published by Sungrow
Max efficiency 98.6 % 98.8 % +0.2 pp for MID 33KTL3-X
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 35.0 kg 29.5 kg -5.5 kg for MID 33KTL3-X
Weight per kW 1.1 kg/kW 0.9 kg/kW Effectively the same
Dimensions 575x605x245 mm 435x580x230 mm 575x605x245 mm vs 435x580x230 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 - Yes Not published by Sungrow
Ethernet - Yes Not published by Sungrow
Arc fault protection - Yes Not published by Sungrow
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sungrow
03

More useful comparisons

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Sungrow SG33CX-P2-CN vs Sungrow SG33CX
6 differences, the largest is max input current per tracker
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Sungrow SG33CX-P2-CN vs Sungrow SG33T-P2-CN
5 differences, the largest is max input current per tracker
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Sungrow SG33CX-P2-CN vs Sungrow SG33CX-P2
3 differences, the largest is max ac power
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Growatt MID 33KTL3-X vs SOFAR 33KTLX-G3
10 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.