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MID 20KTL3-X vs Fronius Symo 20.0-3 480 7 of 17 identical Swap Change inverters

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

Growatt MID 20KTL3-X
Growatt
MID 20KTL3-X
20 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Symo 20.0-3 480
Fronius International
Fronius Symo 20.0-3 480
19.995 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

10 differences, and they point both ways

The largest is warranty: 5 yrs longer. 7 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
7 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 17 parameters
Parameter MID 20KTL3-X Fronius Symo 20.0-3 480 Difference
Warranty 5 yrs 10 yrs 5 yrs longer
Max DC voltage 1100 V 1000 V 100 V apart
Max efficiency 98.8 % 98.0 % 0.8 pp more efficient
Max AC power 22.00 kW 20.00 kW 2.00 kW apart
Weight 23.0 kg 43.4 kg 20.4 kg lighter
Weight per kW 1.1 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 395x525x222 mm 724x511x226 mm 395x525x222 mm vs 724x511x226 mm
02

Full specification

Parameter MID 20KTL3-X Fronius Symo 20.0-3 480 Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 22.00 kW 20.00 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 31.9 A 24.0 A 7.9 A apart
PV input
Max PV power 30.00 kW - Not published by Fronius International
DC/AC ratio 1.50 - Not published by Fronius International
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 20.0-3 480
MPP trackers 2 - Not published by Fronius International
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 98.8 % 98.0 % +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 23.0 kg 43.4 kg -20.4 kg for MID 20KTL3-X
Weight per kW 1.1 kg/kW 2.2 kg/kW -1.0 kg/kW for MID 20KTL3-X
Dimensions 395x525x222 mm 724x511x226 mm 395x525x222 mm vs 724x511x226 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 Yes Same
Ethernet Yes Yes Same
Arc fault protection - Yes Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs 10 yrs +5 yrs for Fronius Symo 20.0-3 480
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.