Skip to main content
Fronius Symo Advanced 20.0-3 480 vs MID 20KTL3-X 10 of 20 identical Swap Change inverters

Fronius Symo Advanced 20.0-3 480 vs Growatt MID 20KTL3-X

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
VS
Growatt MID 20KTL3-X
Growatt
MID 20KTL3-X
20 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

10 differences, and they point both ways

The largest is warranty: 5 yrs longer. 10 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
10 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 20 parameters
Parameter Fronius Symo Advanced 20.0-3 480 MID 20KTL3-X Difference
Warranty 10 yrs 5 yrs 5 yrs longer
Max DC voltage 1000 V 1100 V 100 V apart
Max efficiency 98.0 % 98.8 % 0.8 pp more efficient
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Weight 43.4 kg 23.0 kg 20.4 kg lighter
Weight per kW 2.2 kg/kW 1.1 kg/kW 1.0 kg/kW lighter
Max AC current 24.0 A 31.9 A 7.9 A apart
Start voltage 200 V 250 V 50 V earlier start
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
Dimensions 725x510x225 mm 395x525x222 mm 725x510x225 mm vs 395x525x222 mm
02

Full specification

Parameter Fronius Symo Advanced 20.0-3 480 MID 20KTL3-X Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage - 400 V Not published by Fronius International
Max AC current 24.0 A 31.9 A 7.9 A apart
PV input
Max PV power 30.00 kW 30.00 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range - 200-1000 V Not published by Fronius International
Start voltage 200 V 250 V -50 V for Fronius Symo Advanced 20.0-3 480
MPP trackers 2 2 Same
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency - 98.6 % Not published by Fronius International
Max efficiency 98.0 % 98.8 % +0.8 pp for MID 20KTL3-X
CEC efficiency 97.5 % - Not published by Growatt
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 43.4 kg 23.0 kg -20.4 kg for MID 20KTL3-X
Weight per kW 2.2 kg/kW 1.1 kg/kW -1.0 kg/kW for MID 20KTL3-X
Dimensions 725x510x225 mm 395x525x222 mm 725x510x225 mm vs 395x525x222 mm
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
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 Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty 10 yrs 5 yrs +5 yrs for Fronius Symo Advanced 20.0-3 480
03

More useful comparisons

Open all inverters
Same type, similar size
Fronius International
Fronius Symo Advanced 20.0-3 480 vs Fronius Symo 20.0-3 480
One difference: dimensions
Same type, similar size
Fronius International
Fronius Symo Advanced 20.0-3 480 vs Fronius Verto 20.0
8 differences, the largest is max efficiency
Same type, similar size
Sungrow
Fronius Symo Advanced 20.0-3 480 vs Sungrow SG20KTL-M
8 differences, the largest is max dc voltage
Same type, similar size
Huawei
Growatt MID 20KTL3-X vs Huawei SUN2000-20KTL-M2
8 differences, the largest is weight
Same type, similar size
Huawei
Growatt MID 20KTL3-X vs Huawei SUN2000-20KTL-M0
8 differences, the largest is weight
04

Written summary

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