Skip to main content
GW40K-SDT-C30 vs MID 40KTL3-X 14 of 20 identical Swap Change inverters

GoodWe GW40K-SDT-C30 vs Growatt MID 40KTL3-X

GoodWe GW40K-SDT-C30
GoodWe
GW40K-SDT-C30
40 kW Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 40KTL3-X
Growatt
MID 40KTL3-X
40 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

GW40K-SDT-C30 leads on the differences that matter

The largest is max input current per tracker: 16.0 A more headroom. 14 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
14 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 20 parameters
Parameter GW40K-SDT-C30 MID 40KTL3-X Difference
Max input current per tracker 42.0 A 26.0 A 16.0 A more headroom
Weight 28.0 kg 30.5 kg 2.5 kg lighter
Nominal AC voltage 380 V 400 V 20 V apart
Start voltage 160 V 250 V 90 V earlier start
MPPT voltage range 140-1000 V 200-1000 V 140-1000 V vs 200-1000 V
Dimensions 483x585x230 mm 435x580x230 mm 483x585x230 mm vs 435x580x230 mm
02

Full specification

Parameter GW40K-SDT-C30 MID 40KTL3-X Difference
AC output
Rated AC power 40.00 kW 40.00 kW Same
Max AC power 44.00 kW 44.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 380 V 400 V 20 V apart
Max AC current 66.7 A 66.6 A Effectively the same
PV input
Max PV power - 60.00 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 GW40K-SDT-C30
MPP trackers - - Neither datasheet publishes this
Strings per tracker - 2 Not published by GoodWe
Max input current per tracker 42.0 A 26.0 A +16.0 A for GW40K-SDT-C30
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 28.0 kg 30.5 kg -2.5 kg for GW40K-SDT-C30
Weight per kW 0.7 kg/kW 0.8 kg/kW Effectively the same
Dimensions 483x585x230 mm 435x580x230 mm 483x585x230 mm vs 435x580x230 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 29 dB - Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by GoodWe
03

More useful comparisons

Open all inverters
Same type, similar size
Huawei
GoodWe GW40K-SDT-C30 vs Huawei SUN2000-40KTL-M3
10 differences, the largest is max input current per tracker
Same type, similar size
Ginlong Solis
GoodWe GW40K-SDT-C30 vs Solis-40K
7 differences, the largest is weight
Same type, similar size
Sungrow
GoodWe GW40K-SDT-C30 vs Sungrow SG40CX-P2
8 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Growatt MID 40KTL3-X vs Sungrow SG40CX
5 differences, the largest is weight
04

Written summary

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