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

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

Fronius International Symo Advanced 12.5-3-M
Fronius International
Symo Advanced 12.5-3-M
12.5 kW 97.4 % euro Grid-tie
VS
Fronius Symo 12.5-3 480
Fronius International
Fronius Symo 12.5-3 480
12.495 kW Grid-tie
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 Symo Advanced 12.5-3-M Fronius Symo 12.5-3 480 Difference
Max efficiency 97.8 % 98.1 % 0.3 pp more efficient
Max AC current 18.9 A 15.0 A 3.9 A apart
Ingress protection IP66 NEMA 4X IP66 vs NEMA 4X
Dimensions 725x510x225 mm 724x511x226 mm 725x510x225 mm vs 724x511x226 mm
02

Full specification

Parameter Symo Advanced 12.5-3-M Fronius Symo 12.5-3 480 Difference
AC output
Rated AC power 12.50 kW 12.49 kW Effectively the same
Max AC power 12.50 kW 12.49 kW Effectively the same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V - Not published by Fronius International
Max AC current 18.9 A 15.0 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 97.8 % 98.1 % +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 35.4 kg 35.5 kg Effectively the same
Weight per kW 2.8 kg/kW 2.8 kg/kW Same
Dimensions 725x510x225 mm 724x511x226 mm 725x510x225 mm vs 724x511x226 mm
Ingress protection IP66 NEMA 4X IP66 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 Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - 10 yrs Not published by Fronius International
03

More useful comparisons

Open all inverters
Same type, similar size
SolarEdge
Fronius International Symo Advanced 12.5-3-M vs SolarEdge SE12.5K
9 differences, the largest is max pv power
Same type, similar size
SolarEdge
Fronius International Symo Advanced 12.5-3-M vs SolarEdge SE12.5K (Three Phase)
8 differences, the largest is max pv power
Same type, similar size
Fronius International
Fronius International Symo Advanced 12.5-3-M vs Fronius Primo 12.5-1
8 differences, the largest is max efficiency
04

Written summary

Checking cache...

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.