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

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

Growatt MID 33KTL3-X
Growatt
MID 33KTL3-X
33 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GW33K-SDT-CN-G40
GoodWe
GW33K-SDT-CN-G40
33 kW 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 MID 33KTL3-X GW33K-SDT-CN-G40 Difference
Max input current per tracker 26.0 A 21.0 A 5.0 A more headroom
Max AC power 36.60 kW 36.30 kW 0.30 kW apart
Weight 29.5 kg 19.0 kg 10.5 kg lighter
Nominal AC voltage 400 V 380 V 20 V apart
Start voltage 250 V 160 V 90 V earlier start
Weight per kW 0.9 kg/kW 0.6 kg/kW 0.3 kg/kW lighter
MPPT voltage range 200-1000 V 140-1000 V 200-1000 V vs 140-1000 V
Max AC current 55.5 A 55.0 A 0.5 A apart
Dimensions 435x580x230 mm 413x530x211 mm 435x580x230 mm vs 413x530x211 mm
02

Full specification

Parameter MID 33KTL3-X GW33K-SDT-CN-G40 Difference
AC output
Rated AC power 33.00 kW 33.00 kW Same
Max AC power 36.60 kW 36.30 kW 0.30 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 55.5 A 55.0 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 200-1000 V 140-1000 V 200-1000 V vs 140-1000 V
Start voltage 250 V 160 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 26.0 A 21.0 A +5.0 A for MID 33KTL3-X
Efficiency
European efficiency 98.5 % - Not published by GoodWe
Max efficiency 98.8 % 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 29.5 kg 19.0 kg -10.5 kg for GW33K-SDT-CN-G40
Weight per kW 0.9 kg/kW 0.6 kg/kW -0.3 kg/kW for GW33K-SDT-CN-G40
Dimensions 435x580x230 mm 413x530x211 mm 435x580x230 mm vs 413x530x211 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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Same type, similar size
Sungrow
Growatt MID 33KTL3-X vs Sungrow SG33CX
6 differences, the largest is max ac power
Same type, similar size
Sungrow
Growatt MID 33KTL3-X vs Sungrow SG33T-P2-CN
9 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Growatt MID 33KTL3-X vs Sungrow SG33CX-P2
11 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.