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SE17K vs SG17RT-20 7 of 15 identical Swap Change inverters

SolarEdge SE17K vs Sungrow SG17RT-20

SolarEdge SE17K
SolarEdge
SE17K
17 kW 98.0 % 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

SG17RT-20 leads on the differences that matter

The largest is max dc voltage: 100 V apart. 7 of 15 comparable parameters are identical, with 17 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
7 of 15 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 15 parameters
Parameter SE17K SG17RT-20 Difference
Max DC voltage 1000 V 1100 V 100 V apart
Weight 30.7 kg 20.0 kg 10.7 kg lighter
Weight per kW 1.8 kg/kW 1.2 kg/kW 0.6 kg/kW lighter
European efficiency 98.0 % 98.2 % 0.2 pp more efficient
Max efficiency 98.3 % 98.6 % 0.3 pp more efficient
Max AC current 26.0 A 28.3 A 2.3 A apart
MPPT voltage range 680-1000 V 160-1000 V 680-1000 V vs 160-1000 V
Dimensions 540x315x260 mm 480x370x195 mm 540x315x260 mm vs 480x370x195 mm
02

Full specification

Parameter SE17K 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 26.0 A 28.3 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 1000 V 1100 V 100 V apart
MPPT voltage range 680-1000 V 160-1000 V 680-1000 V vs 160-1000 V
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 98.0 % 98.2 % +0.2 pp for SG17RT-20
Max efficiency 98.3 % 98.6 % +0.3 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 30.7 kg 20.0 kg -10.7 kg for SG17RT-20
Weight per kW 1.8 kg/kW 1.2 kg/kW -0.6 kg/kW for SG17RT-20
Dimensions 540x315x260 mm 480x370x195 mm 540x315x260 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 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

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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.