Skip to main content
SE12.5K vs Fronius Symo 12.5-3 480 10 of 16 identical Swap Change inverters

SolarEdge SE12.5K vs Fronius Symo 12.5-3 480

SolarEdge SE12.5K
SolarEdge
SE12.5K
12.5 kW 97.7 % 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

SE12.5K leads on the differences that matter

The largest is warranty: 10 yrs longer. 10 of 16 comparable parameters are identical, with 16 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
10 of 16 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 16 parameters
Parameter SE12.5K Fronius Symo 12.5-3 480 Difference
Warranty 20 yrs 10 yrs 10 yrs longer
Weight 30.7 kg 35.5 kg 4.8 kg lighter
Max AC current 20.0 A 15.0 A 5.0 A apart
Weight per kW 2.5 kg/kW 2.8 kg/kW 0.4 kg/kW lighter
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Dimensions 549x317x264 mm 724x511x226 mm 549x317x264 mm vs 724x511x226 mm
02

Full specification

Parameter SE12.5K 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 20.0 A 15.0 A 5.0 A apart
PV input
Max PV power 16.85 kW - Not published by Fronius International
DC/AC ratio 1.35 - Not published by Fronius International
Max DC voltage 1000 V 1000 V Same
MPPT voltage range - - Neither datasheet publishes this
Start voltage - 200 V Not published by SolarEdge
MPP trackers - - Neither datasheet publishes this
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency 97.7 % - Not published by Fronius International
Max efficiency 98.0 % 98.1 % Effectively the same
CEC efficiency - 97.0 % Not published by SolarEdge
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 30.7 kg 35.5 kg -4.8 kg for SE12.5K
Weight per kW 2.5 kg/kW 2.8 kg/kW -0.4 kg/kW for SE12.5K
Dimensions 549x317x264 mm 724x511x226 mm 549x317x264 mm vs 724x511x226 mm
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Cooling forced-air forced-air Same
Noise 50 dB - Not published by Fronius International
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 Not published by SolarEdge
Warranty
Warranty 20 yrs 10 yrs +10 yrs for SE12.5K
03

More useful comparisons

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