Skip to main content
SG17RT-20 vs SolarEdge SE17K (Three Phase) 7 of 14 identical Swap Change inverters

Sungrow SG17RT-20 vs SolarEdge SE17K (Three Phase)

Sungrow SG17RT-20
Sungrow
SG17RT-20
17 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SolarEdge SE17K (Three Phase)
SolarEdge
SolarEdge SE17K (Three Phase)
17 kW 97.7 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG17RT-20 leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 7 of 14 comparable parameters are identical, with 18 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
7 of 14 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 14 parameters
Parameter SG17RT-20 SolarEdge SE17K (Three Phase) Difference
European efficiency 98.2 % 97.7 % 0.5 pp more efficient
Max DC voltage 1100 V 1000 V 100 V apart
Max efficiency 98.6 % 98.0 % 0.6 pp more efficient
Weight 20.0 kg 33.2 kg 13.2 kg lighter
Weight per kW 1.2 kg/kW 2.0 kg/kW 0.8 kg/kW lighter
Max AC current 28.3 A 26.0 A 2.3 A apart
Dimensions 480x370x195 mm 540x315x260 mm 480x370x195 mm vs 540x315x260 mm
02

Full specification

Parameter SG17RT-20 SolarEdge SE17K (Three Phase) 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 28.3 A 26.0 A 2.3 A apart
PV input
Max PV power - 22.95 kW Not published by Sungrow
DC/AC ratio - 1.35 Not published by Sungrow
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 160-1000 V - Not published by SolarEdge
Start voltage 180 V - Not published by SolarEdge
MPP trackers 2 - Not published by SolarEdge
Strings per tracker 1 - Not published by SolarEdge
Max input current per tracker 25.0 A - Not published by SolarEdge
Efficiency
European efficiency 98.2 % 97.7 % +0.5 pp for SG17RT-20
Max efficiency 98.6 % 98.0 % +0.6 pp for SG17RT-20
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 20.0 kg 33.2 kg -13.2 kg for SG17RT-20
Weight per kW 1.2 kg/kW 2.0 kg/kW -0.8 kg/kW for SG17RT-20
Dimensions 480x370x195 mm 540x315x260 mm 480x370x195 mm vs 540x315x260 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise - 55 dB Not published by Sungrow
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 SolarEdge
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Sungrow SG17RT-20 vs Growatt MID 17KTL3-X
7 differences, the largest is european efficiency
Same type, similar size
Huawei
Sungrow SG17RT-20 vs Huawei SUN2000-17KTL-M0
10 differences, the largest is max input current per tracker
Same type, similar size
Huawei
Sungrow SG17RT-20 vs Huawei SUN2000-17KTL-M2
10 differences, the largest is max input current per tracker
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.