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SG8.0RT-20 vs Fronius Primo 8.2-1 4 of 18 identical Swap Change inverters

Sungrow SG8.0RT-20 vs Fronius Primo 8.2-1

Sungrow SG8.0RT-20
Sungrow
SG8.0RT-20
8 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Primo 8.2-1
Fronius International
Fronius Primo 8.2-1
8.2 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

SG8.0RT-20 leads on the differences that matter

The largest is rated ac power: 0.20 kW apart. 4 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
4 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 18 parameters
Parameter SG8.0RT-20 Fronius Primo 8.2-1 Difference
Rated AC power 8.00 kW 8.20 kW 0.20 kW apart
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 25.0 A 33.0 A 8.0 A more headroom
Max efficiency 98.5 % 97.0 % 1.5 pp more efficient
Weight 17.0 kg 21.4 kg 4.4 kg lighter
Max AC power 8.00 kW 8.20 kW 0.20 kW apart
Weight per kW 2.1 kg/kW 2.6 kg/kW 0.5 kg/kW lighter
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 240 V 160 V apart
Max AC current 13.3 A 34.2 A 20.9 A apart
Start voltage 180 V 80 V 100 V earlier start
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
MPPT voltage range 160-1000 V 200-800 V 160-1000 V vs 200-800 V
Dimensions 480x370x195 mm 627x429x206 mm 480x370x195 mm vs 627x429x206 mm
02

Full specification

Parameter SG8.0RT-20 Fronius Primo 8.2-1 Difference
AC output
Rated AC power 8.00 kW 8.20 kW 0.20 kW apart
Max AC power 8.00 kW 8.20 kW 0.20 kW apart
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 240 V 160 V apart
Max AC current 13.3 A 34.2 A 20.9 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 160-1000 V 200-800 V 160-1000 V vs 200-800 V
Start voltage 180 V 80 V -100 V for Fronius Primo 8.2-1
MPP trackers 2 2 Same
Strings per tracker 1 - Not published by Fronius International
Max input current per tracker 25.0 A 33.0 A +8.0 A for Fronius Primo 8.2-1
Efficiency
European efficiency 98.0 % - Not published by Fronius International
Max efficiency 98.5 % 97.0 % +1.5 pp for SG8.0RT-20
CEC efficiency - 96.5 % Not published by Sungrow
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 21.4 kg -4.4 kg for SG8.0RT-20
Weight per kW 2.1 kg/kW 2.6 kg/kW -0.5 kg/kW for SG8.0RT-20
Dimensions 480x370x195 mm 627x429x206 mm 480x370x195 mm vs 627x429x206 mm
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
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 Yes Same
Warranty
Warranty - 10 yrs Not published by Sungrow
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.