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SG20KTL-M vs Fronius Symo Advanced 20.0-3 480 7 of 15 identical Swap Change inverters

Sungrow SG20KTL-M vs Fronius Symo Advanced 20.0-3 480

Sungrow
SG20KTL-M
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Symo Advanced 20.0-3 480
Fronius International
Fronius Symo Advanced 20.0-3 480
19.995 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

SG20KTL-M 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 SG20KTL-M Fronius Symo Advanced 20.0-3 480 Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max efficiency 98.6 % 98.0 % 0.6 pp more efficient
Weight 24.0 kg 43.4 kg 19.4 kg lighter
Weight per kW 1.2 kg/kW 2.2 kg/kW 1.0 kg/kW lighter
Max AC current 31.9 A 24.0 A 7.9 A apart
Start voltage 250 V 200 V 50 V earlier start
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Dimensions 485x370x210 mm 725x510x225 mm 485x370x210 mm vs 725x510x225 mm
02

Full specification

Parameter SG20KTL-M Fronius Symo Advanced 20.0-3 480 Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 20.00 kW 20.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V - Not published by Fronius International
Max AC current 31.9 A 24.0 A 7.9 A apart
PV input
Max PV power - 30.00 kW Not published by Sungrow
DC/AC ratio - 1.50 Not published by Sungrow
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 200-1000 V - Not published by Fronius International
Start voltage 250 V 200 V -50 V for Fronius Symo Advanced 20.0-3 480
MPP trackers 2 2 Same
Strings per tracker 2 - Not published by Fronius International
Max input current per tracker 22.0 A - Not published by Fronius International
Efficiency
European efficiency 98.3 % - Not published by Fronius International
Max efficiency 98.6 % 98.0 % +0.6 pp for SG20KTL-M
CEC efficiency - 97.5 % 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 24.0 kg 43.4 kg -19.4 kg for SG20KTL-M
Weight per kW 1.2 kg/kW 2.2 kg/kW -1.0 kg/kW for SG20KTL-M
Dimensions 485x370x210 mm 725x510x225 mm 485x370x210 mm vs 725x510x225 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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One difference: dimensions
04

Written summary

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