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SG20KTL-M vs Symo Advanced 20.0-3-M 8 of 19 identical Swap Change inverters

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

Sungrow
SG20KTL-M
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius International Symo Advanced 20.0-3-M
Fronius International
Symo Advanced 20.0-3-M
20 kW 97.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG20KTL-M leads on the differences that matter

The largest is european efficiency: 0.7 pp more efficient. 8 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
8 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 19 parameters
Parameter SG20KTL-M Symo Advanced 20.0-3-M Difference
European efficiency 98.3 % 97.6 % 0.7 pp more efficient
Max DC voltage 1100 V 1000 V 100 V apart
Max efficiency 98.6 % 97.9 % 0.7 pp more efficient
Weight 24.0 kg 42.0 kg 18.0 kg lighter
Weight per kW 1.2 kg/kW 2.1 kg/kW 0.9 kg/kW lighter
Start voltage 250 V 200 V 50 V earlier start
Max AC current 31.9 A 30.3 A 1.6 A apart
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 200-1000 V 200-800 V 200-1000 V vs 200-800 V
Strings per tracker 2 3 1 string apart
Dimensions 485x370x210 mm 725x510x225 mm 485x370x210 mm vs 725x510x225 mm
02

Full specification

Parameter SG20KTL-M Symo Advanced 20.0-3-M 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 400 V Same
Max AC current 31.9 A 30.3 A 1.6 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 200-800 V 200-1000 V vs 200-800 V
Start voltage 250 V 200 V -50 V for Symo Advanced 20.0-3-M
MPP trackers 2 2 Same
Strings per tracker 2 3 1 string apart
Max input current per tracker 22.0 A - Not published by Fronius International
Efficiency
European efficiency 98.3 % 97.6 % +0.7 pp for SG20KTL-M
Max efficiency 98.6 % 97.9 % +0.7 pp for SG20KTL-M
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 24.0 kg 42.0 kg -18.0 kg for SG20KTL-M
Weight per kW 1.2 kg/kW 2.1 kg/kW -0.9 kg/kW for SG20KTL-M
Dimensions 485x370x210 mm 725x510x225 mm 485x370x210 mm vs 725x510x225 mm
Ingress protection IP65 IP66 IP65 vs IP66
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 - - 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.