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MOD 12KTL3-X2(Pro) vs SG12RT-20 12 of 19 identical Swap Change inverters

Growatt MOD 12KTL3-X2(Pro) vs Sungrow SG12RT-20

Growatt MOD 12KTL3-X2(Pro)
Growatt
MOD 12KTL3-X2(Pro)
12 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG12RT-20
Sungrow
SG12RT-20
12 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG12RT-20 leads on the differences that matter

The largest is max input current per tracker: 5.0 A more headroom. 12 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
12 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 19 parameters
Parameter MOD 12KTL3-X2(Pro) SG12RT-20 Difference
Max input current per tracker 20.0 A 25.0 A 5.0 A more headroom
Weight 15.6 kg 17.0 kg 1.4 kg lighter
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 140-1000 V 160-1000 V 140-1000 V vs 160-1000 V
Start voltage 160 V 180 V 20 V earlier start
Dimensions 387x425x178 mm 480x370x195 mm 387x425x178 mm vs 480x370x195 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter MOD 12KTL3-X2(Pro) SG12RT-20 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 140-1000 V 160-1000 V 140-1000 V vs 160-1000 V
Start voltage 160 V 180 V -20 V for MOD 12KTL3-X2(Pro)
MPP trackers 2 2 Same
Strings per tracker 1 1 Same
Max input current per tracker 20.0 A 25.0 A +5.0 A for SG12RT-20
Efficiency
European efficiency 98.2 % 98.1 % Effectively the same
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 15.6 kg 17.0 kg -1.4 kg for MOD 12KTL3-X2(Pro)
Weight per kW 1.3 kg/kW 1.4 kg/kW Effectively the same
Dimensions 387x425x178 mm 480x370x195 mm 387x425x178 mm vs 480x370x195 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling natural forced-air natural vs forced-air
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 Not published by Growatt
Warranty
Warranty 8 yrs - Not published by Sungrow
03

More useful comparisons

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4 differences, the largest is max input current per tracker
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7 differences, the largest is max input current per tracker
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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.