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SG12RT-20 vs SOFAR 12KTLX-G3 12 of 19 identical Swap Change inverters

Sungrow SG12RT-20 vs SOFAR 12KTLX-G3

Sungrow SG12RT-20
Sungrow
SG12RT-20
12 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SOFAR 12KTLX-G3
Sofar Solar
SOFAR 12KTLX-G3
12 kW 98.0 % 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: 10.0 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 SG12RT-20 SOFAR 12KTLX-G3 Difference
Max input current per tracker 25.0 A 15.0 A 10.0 A more headroom
Max AC power 12.00 kW 13.20 kW 1.20 kW apart
Weight 17.0 kg 18.0 kg 1.0 kg 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
Dimensions 480x370x195 mm 385x430x182 mm 480x370x195 mm vs 385x430x182 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter SG12RT-20 SOFAR 12KTLX-G3 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 400 V Same
Max AC current 20.0 A 20.0 A Same
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 160-1000 V 140-1000 V 160-1000 V vs 140-1000 V
Start voltage 180 V 160 V -20 V for SOFAR 12KTLX-G3
MPP trackers 2 2 Same
Strings per tracker 1 - Not published by Sofar Solar
Max input current per tracker 25.0 A 15.0 A +10.0 A for SG12RT-20
Efficiency
European efficiency 98.1 % 98.0 % Effectively the same
Max efficiency 98.5 % 98.5 % 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 18.0 kg -1.0 kg for SG12RT-20
Weight per kW 1.4 kg/kW 1.5 kg/kW Effectively the same
Dimensions 480x370x195 mm 385x430x182 mm 480x370x195 mm vs 385x430x182 mm
Ingress protection IP65 IP65 Same
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 - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
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.