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SG12RT-20 vs MOD 12KTL3-X 11 of 20 identical Swap Change inverters

Sungrow SG12RT-20 vs Growatt MOD 12KTL3-X

Sungrow SG12RT-20
Sungrow
SG12RT-20
12 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MOD 12KTL3-X
Growatt
MOD 12KTL3-X
12 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

MOD 12KTL3-X leads on the differences that matter

The largest is weight: 3.0 kg lighter. 11 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
11 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 20 parameters
Parameter SG12RT-20 MOD 12KTL3-X Difference
Weight 17.0 kg 14.0 kg 3.0 kg lighter
Max input current per tracker 25.0 A 26.0 A 1.0 A more headroom
Ingress protection IP65 IP66 IP65 vs IP66
Weight per kW 1.4 kg/kW 1.2 kg/kW 0.2 kg/kW lighter
MPPT voltage range 160-1000 V 140-1000 V 160-1000 V vs 140-1000 V
Start voltage 180 V 160 V 20 V earlier start
Strings per tracker 1 2 1 string apart
Dimensions 480x370x195 mm 387x425x178 mm 480x370x195 mm vs 387x425x178 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter SG12RT-20 MOD 12KTL3-X Difference
AC output
Rated AC power 12.00 kW 12.00 kW Same
Max AC power 12.00 kW 12.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 20.0 A 20.0 A Same
PV input
Max PV power - 18.00 kW Not published by Sungrow
DC/AC ratio - 1.50 Not published by Sungrow
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 160-1000 V 140-1000 V 160-1000 V vs 140-1000 V
Start voltage 180 V 160 V -20 V for MOD 12KTL3-X
MPP trackers 2 2 Same
Strings per tracker 1 2 1 string apart
Max input current per tracker 25.0 A 26.0 A +1.0 A for MOD 12KTL3-X
Efficiency
European efficiency 98.1 % 98.2 % Effectively the same
Max efficiency 98.5 % 98.6 % 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 17.0 kg 14.0 kg -3.0 kg for MOD 12KTL3-X
Weight per kW 1.4 kg/kW 1.2 kg/kW -0.2 kg/kW for MOD 12KTL3-X
Dimensions 480x370x195 mm 387x425x178 mm 480x370x195 mm vs 387x425x178 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air natural forced-air vs natural
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by Sungrow
Ethernet - Yes Not published by Sungrow
Arc fault protection - Yes Not published by Sungrow
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sungrow
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.