Skip to main content
GW30K-MT vs GW30K-SDT-CN-G40 9 of 18 identical Swap Change inverters

GoodWe GW30K-MT vs GoodWe GW30K-SDT-CN-G40

GoodWe GW30K-MT
GoodWe
GW30K-MT
30 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GW30K-SDT-CN-G40
GoodWe
GW30K-SDT-CN-G40
30 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: 9.0 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 GW30K-MT GW30K-SDT-CN-G40 Difference
Max input current per tracker 30.0 A 21.0 A 9.0 A more headroom
Weight 40.0 kg 19.0 kg 21.0 kg lighter
Weight per kW 1.3 kg/kW 0.6 kg/kW 0.7 kg/kW lighter
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 48.0 A 50.1 A 2.1 A apart
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 200-950 V 140-1000 V 200-950 V vs 140-1000 V
Start voltage 180 V 160 V 20 V earlier start
Dimensions 590x480x200 mm 413x530x211 mm 590x480x200 mm vs 413x530x211 mm
02

Full specification

Parameter GW30K-MT GW30K-SDT-CN-G40 Difference
AC output
Rated AC power 30.00 kW 30.00 kW Same
Max AC power 33.00 kW 33.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 48.0 A 50.1 A 2.1 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 200-950 V 140-1000 V 200-950 V vs 140-1000 V
Start voltage 180 V 160 V -20 V for GW30K-SDT-CN-G40
MPP trackers - 2 Not published by GoodWe
Strings per tracker 2 2 Same
Max input current per tracker 30.0 A 21.0 A +9.0 A for GW30K-MT
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 40.0 kg 19.0 kg -21.0 kg for GW30K-SDT-CN-G40
Weight per kW 1.3 kg/kW 0.6 kg/kW -0.7 kg/kW for GW30K-SDT-CN-G40
Dimensions 590x480x200 mm 413x530x211 mm 590x480x200 mm vs 413x530x211 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise - 45 dB Not published by GoodWe
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by GoodWe
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
GoodWe GW30K-MT vs Growatt MID 30KTL3-X2 (Pro.E)
9 differences, the largest is max input current per tracker
Same type, similar size
Growatt
GoodWe GW30K-MT vs Growatt MID 30KTL3-X
9 differences, the largest is max input current per tracker
Same type, similar size
Growatt
GoodWe GW30K-MT vs Growatt MID 30KTL3-X2-1
9 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.