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GW33K-SDT-CN-G40 vs MID 33KTL3-X 9 of 18 identical Swap Change inverters

GoodWe GW33K-SDT-CN-G40 vs Growatt MID 33KTL3-X

GoodWe GW33K-SDT-CN-G40
GoodWe
GW33K-SDT-CN-G40
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

9 differences, and they point both ways

The largest is max input current per tracker: 5.0 A more headroom. 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 GW33K-SDT-CN-G40 MID 33KTL3-X Difference
Max input current per tracker 21.0 A 26.0 A 5.0 A more headroom
Max AC power 36.30 kW 36.60 kW 0.30 kW apart
Weight 19.0 kg 29.5 kg 10.5 kg lighter
Nominal AC voltage 380 V 400 V 20 V apart
Start voltage 160 V 250 V 90 V earlier start
Weight per kW 0.6 kg/kW 0.9 kg/kW 0.3 kg/kW lighter
MPPT voltage range 140-1000 V 200-1000 V 140-1000 V vs 200-1000 V
Max AC current 55.0 A 55.5 A 0.5 A apart
Dimensions 413x530x211 mm 435x580x230 mm 413x530x211 mm vs 435x580x230 mm
02

Full specification

Parameter GW33K-SDT-CN-G40 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 380 V 400 V 20 V apart
Max AC current 55.0 A 55.5 A 0.5 A apart
PV input
Max PV power - 49.50 kW Not published by GoodWe
DC/AC ratio - 1.50 Not published by GoodWe
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 140-1000 V 200-1000 V 140-1000 V vs 200-1000 V
Start voltage 160 V 250 V -90 V for GW33K-SDT-CN-G40
MPP trackers 2 - Not published by Growatt
Strings per tracker 2 2 Same
Max input current per tracker 21.0 A 26.0 A +5.0 A for MID 33KTL3-X
Efficiency
European efficiency - 98.5 % Not published by GoodWe
Max efficiency 98.7 % 98.8 % 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 19.0 kg 29.5 kg -10.5 kg for GW33K-SDT-CN-G40
Weight per kW 0.6 kg/kW 0.9 kg/kW -0.3 kg/kW for GW33K-SDT-CN-G40
Dimensions 413x530x211 mm 435x580x230 mm 413x530x211 mm vs 435x580x230 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 45 dB - Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by GoodWe
Ethernet - Yes Not published by GoodWe
Arc fault protection - Yes Not published by GoodWe
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by GoodWe
03

More useful comparisons

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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.