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SOFAR 17KTLX-G3 vs SG17RT-20 14 of 20 identical Swap Change inverters

SOFAR 17KTLX-G3 vs Sungrow SG17RT-20

SOFAR 17KTLX-G3
Sofar Solar
SOFAR 17KTLX-G3
17 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG17RT-20
Sungrow
SG17RT-20
17 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

6 differences, and they point both ways

The largest is weight: 2.0 kg lighter. 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 SOFAR 17KTLX-G3 SG17RT-20 Difference
Weight 22.0 kg 20.0 kg 2.0 kg lighter
Max input current per tracker 26.0 A 25.0 A 1.0 A more headroom
Max AC current 27.1 A 28.3 A 1.2 A apart
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 430x520x198 mm 480x370x195 mm 430x520x198 mm vs 480x370x195 mm
02

Full specification

Parameter SOFAR 17KTLX-G3 SG17RT-20 Difference
AC output
Rated AC power 17.00 kW 17.00 kW Same
Max AC power 17.00 kW 17.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 27.1 A 28.3 A 1.2 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 140-1000 V 160-1000 V 140-1000 V vs 160-1000 V
Start voltage 160 V 180 V -20 V for SOFAR 17KTLX-G3
MPP trackers 2 2 Same
Strings per tracker 1 1 Same
Max input current per tracker 26.0 A 25.0 A +1.0 A for SOFAR 17KTLX-G3
Efficiency
European efficiency 98.2 % 98.2 % Same
Max efficiency 98.6 % 98.6 % 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 22.0 kg 20.0 kg -2.0 kg for SG17RT-20
Weight per kW 1.3 kg/kW 1.2 kg/kW Effectively the same
Dimensions 430x520x198 mm 480x370x195 mm 430x520x198 mm vs 480x370x195 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
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.