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MID 15KTL3-X vs Fronius Symo 15.0-3 208 7 of 17 identical Swap Change inverters

Growatt MID 15KTL3-X vs Fronius Symo 15.0-3 208

Growatt MID 15KTL3-X
Growatt
MID 15KTL3-X
15 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Symo 15.0-3 208
Fronius International
Fronius Symo 15.0-3 208
15 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 15KTL3-X Fronius Symo 15.0-3 208 Difference
Warranty 5 yrs 10 yrs 5 yrs longer
Max DC voltage 1100 V 1000 V 100 V apart
Max efficiency 98.8 % 97.3 % 1.5 pp more efficient
Max AC power 16.60 kW 15.00 kW 1.60 kW apart
Weight 23.0 kg 35.5 kg 12.5 kg lighter
Weight per kW 1.5 kg/kW 2.4 kg/kW 0.8 kg/kW lighter
Max AC current 24.2 A 41.6 A 17.4 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 15KTL3-X Fronius Symo 15.0-3 208 Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 16.60 kW 15.00 kW 1.60 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V - Not published by Fronius International
Max AC current 24.2 A 41.6 A 17.4 A apart
PV input
Max PV power 22.50 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 15.0-3 208
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 % 97.3 % +1.5 pp for MID 15KTL3-X
CEC efficiency - 96.5 % 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 35.5 kg -12.5 kg for MID 15KTL3-X
Weight per kW 1.5 kg/kW 2.4 kg/kW -0.8 kg/kW for MID 15KTL3-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 15.0-3 208
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.