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

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

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
SolarEdge SE12.5K
SolarEdge
SE12.5K
12.5 kW 97.7 % euro Grid-tie
Open inverter page Datasheet PDF
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 Fronius Symo 12.5-3 480 SE12.5K Difference
Warranty 10 yrs 20 yrs 10 yrs longer
Weight 35.5 kg 30.7 kg 4.8 kg lighter
Max AC current 15.0 A 20.0 A 5.0 A apart
Weight per kW 2.8 kg/kW 2.5 kg/kW 0.4 kg/kW lighter
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
Dimensions 724x511x226 mm 549x317x264 mm 724x511x226 mm vs 549x317x264 mm
02

Full specification

Parameter Fronius Symo 12.5-3 480 SE12.5K 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 20.0 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 98.1 % 98.0 % 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 35.5 kg 30.7 kg -4.8 kg for SE12.5K
Weight per kW 2.8 kg/kW 2.5 kg/kW -0.4 kg/kW for SE12.5K
Dimensions 724x511x226 mm 549x317x264 mm 724x511x226 mm vs 549x317x264 mm
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
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 10 yrs 20 yrs +10 yrs for SE12.5K
03

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