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MOD 12KTL3-X vs GWT12K-SDT-30 (SDT G3 series) 14 of 20 identical Swap Change inverters

Growatt MOD 12KTL3-X vs GoodWe GWT12K-SDT-30 (SDT G3 series)

Growatt MOD 12KTL3-X
Growatt
MOD 12KTL3-X
12 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GWT12K-SDT-30 (SDT G3 series)
GoodWe
GWT12K-SDT-30 (SDT G3 series)
12 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

MOD 12KTL3-X leads on the differences that matter

The largest is max input current per tracker: 4.0 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 MOD 12KTL3-X GWT12K-SDT-30 (SDT G3 series) Difference
Max input current per tracker 26.0 A 22.0 A 4.0 A more headroom
Max AC power 12.00 kW 13.20 kW 1.20 kW apart
Weight 14.0 kg 15.5 kg 1.5 kg lighter
Nominal AC voltage 400 V 380 V 20 V apart
Strings per tracker 2 1 1 string apart
Dimensions 387x425x178 mm 392x491x204 mm 387x425x178 mm vs 392x491x204 mm
02

Full specification

Parameter MOD 12KTL3-X GWT12K-SDT-30 (SDT G3 series) Difference
AC output
Rated AC power 12.00 kW 12.00 kW Same
Max AC power 12.00 kW 13.20 kW 1.20 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 20.0 A 20.0 A Same
PV input
Max PV power 18.00 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 140-1000 V Same
Start voltage 160 V 160 V Same
MPP trackers 2 2 Same
Strings per tracker 2 1 1 string apart
Max input current per tracker 26.0 A 22.0 A +4.0 A for MOD 12KTL3-X
Efficiency
European efficiency 98.2 % - Not published by GoodWe
Max efficiency 98.6 % 98.5 % 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 14.0 kg 15.5 kg -1.5 kg for MOD 12KTL3-X
Weight per kW 1.2 kg/kW 1.3 kg/kW Effectively the same
Dimensions 387x425x178 mm 392x491x204 mm 387x425x178 mm vs 392x491x204 mm
Ingress protection IP66 IP66 Same
Cooling natural natural Same
Noise - 29 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 Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by GoodWe
03

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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.