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Fronius Symo 17.5-3 480 vs Symo Advanced 17.5-3-M 13 of 17 identical Swap Change inverters

Fronius Symo 17.5-3 480 vs Fronius International Symo Advanced 17.5-3-M

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
Fronius International Symo Advanced 17.5-3-M
Fronius International
Symo Advanced 17.5-3-M
17.5 kW 97.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

Symo Advanced 17.5-3-M leads on the differences that matter

The largest is weight: 1.4 kg lighter. 13 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 4 differences
How alike are they
13 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

4 of 17 parameters
Parameter Fronius Symo 17.5-3 480 Symo Advanced 17.5-3-M Difference
Weight 43.4 kg 42.0 kg 1.4 kg lighter
Max AC current 21.0 A 26.5 A 5.5 A apart
Ingress protection NEMA 4X IP66 NEMA 4X vs IP66
Dimensions 724x511x226 mm 725x510x225 mm 724x511x226 mm vs 725x510x225 mm
02

Full specification

Parameter Fronius Symo 17.5-3 480 Symo Advanced 17.5-3-M Difference
AC output
Rated AC power 17.50 kW 17.50 kW Same
Max AC power 17.50 kW 17.50 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage - 400 V Not published by Fronius International
Max AC current 21.0 A 26.5 A 5.5 A apart
PV input
Max PV power - 26.30 kW Not published by Fronius International
DC/AC ratio - 1.50 Not published by Fronius International
Max DC voltage 1000 V 1000 V Same
MPPT voltage range - 200-800 V Not published by Fronius International
Start voltage 200 V 200 V Same
MPP trackers - 2 Not published by Fronius International
Strings per tracker - 3 Not published by Fronius International
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency - 97.6 % Not published by Fronius International
Max efficiency 98.0 % 97.9 % Effectively the same
CEC efficiency 97.5 % - Not published by Fronius International
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 42.0 kg -1.4 kg for Symo Advanced 17.5-3-M
Weight per kW 2.5 kg/kW 2.4 kg/kW Effectively the same
Dimensions 724x511x226 mm 725x510x225 mm 724x511x226 mm vs 725x510x225 mm
Ingress protection NEMA 4X IP66 NEMA 4X 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 Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty 10 yrs - Not published by Fronius International
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.