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Fronius Symo 17.5-3 480 vs MID 17KTL3-X 6 of 17 identical Swap Change inverters

Fronius Symo 17.5-3 480 vs Growatt MID 17KTL3-X

Fronius Symo 17.5-3 480
Fronius International
Fronius Symo 17.5-3 480
17.495 kW Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 17KTL3-X
Growatt
MID 17KTL3-X
17 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

11 differences, and they point both ways

The largest is rated ac power: 0.50 kW apart. 6 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
6 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 17 parameters
Parameter Fronius Symo 17.5-3 480 MID 17KTL3-X Difference
Rated AC power 17.50 kW 17.00 kW 0.50 kW apart
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 17.50 kW 18.80 kW 1.30 kW apart
Weight 43.4 kg 23.0 kg 20.4 kg lighter
Weight per kW 2.5 kg/kW 1.4 kg/kW 1.1 kg/kW lighter
Max AC current 21.0 A 27.4 A 6.4 A apart
Start voltage 200 V 250 V 50 V earlier start
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
Dimensions 724x511x226 mm 395x525x222 mm 724x511x226 mm vs 395x525x222 mm
02

Full specification

Parameter Fronius Symo 17.5-3 480 MID 17KTL3-X Difference
AC output
Rated AC power 17.50 kW 17.00 kW 0.50 kW apart
Max AC power 17.50 kW 18.80 kW 1.30 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage - 400 V Not published by Fronius International
Max AC current 21.0 A 27.4 A 6.4 A apart
PV input
Max PV power - 25.50 kW Not published by Fronius International
DC/AC ratio - 1.50 Not published by Fronius International
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 17.5-3 480
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 98.0 % 98.8 % +0.8 pp for MID 17KTL3-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 17KTL3-X
Weight per kW 2.5 kg/kW 1.4 kg/kW -1.1 kg/kW for MID 17KTL3-X
Dimensions 724x511x226 mm 395x525x222 mm 724x511x226 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 17.5-3 480
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.