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Fronius Symo 12.5-3 480 vs Symo Advanced 12.5-3-M 13 of 17 identical Swap Change inverters

Fronius Symo 12.5-3 480 vs Fronius International Symo Advanced 12.5-3-M

Fronius Symo 12.5-3 480
Fronius International
Fronius Symo 12.5-3 480
12.495 kW Grid-tie
Open inverter page Datasheet PDF
VS
Fronius International Symo Advanced 12.5-3-M
Fronius International
Symo Advanced 12.5-3-M
12.5 kW 97.4 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

Fronius Symo 12.5-3 480 leads on the differences that matter

The largest is max efficiency: 0.3 pp more efficient. 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 12.5-3 480 Symo Advanced 12.5-3-M Difference
Max efficiency 98.1 % 97.8 % 0.3 pp more efficient
Max AC current 15.0 A 18.9 A 3.9 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 12.5-3 480 Symo Advanced 12.5-3-M Difference
AC output
Rated AC power 12.49 kW 12.50 kW Effectively the same
Max AC power 12.49 kW 12.50 kW Effectively the same
Grid connection 3-phase 3-phase Same
Nominal AC voltage - 400 V Not published by Fronius International
Max AC current 15.0 A 18.9 A 3.9 A apart
PV input
Max PV power - 18.80 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 - 97.4 % Not published by Fronius International
Max efficiency 98.1 % 97.8 % +0.3 pp for Fronius Symo 12.5-3 480
CEC efficiency 97.0 % - 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 35.5 kg 35.4 kg Effectively the same
Weight per kW 2.8 kg/kW 2.8 kg/kW 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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Fronius Symo 12.5-3 480 vs Fronius Primo 12.5-1
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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.