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SolarEdge SE12.5K (Three Phase) vs Fronius Primo 12.5-1 8 of 16 identical Swap Change inverters

SolarEdge SE12.5K (Three Phase) vs Fronius Primo 12.5-1

SolarEdge SE12.5K (Three Phase)
SolarEdge
SolarEdge SE12.5K (Three Phase)
12.5 kW 97.7 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Primo 12.5-1
Fronius International
Fronius Primo 12.5-1
12.5 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

SolarEdge SE12.5K (Three Phase) leads on the differences that matter

The largest is max efficiency: 1.3 pp more efficient. 8 of 16 comparable parameters are identical, with 16 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
8 of 16 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 16 parameters
Parameter SolarEdge SE12.5K (Three Phase) Fronius Primo 12.5-1 Difference
Max efficiency 98.0 % 96.7 % 1.3 pp more efficient
Weight 33.2 kg 37.4 kg 4.2 kg lighter
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 240 V 160 V apart
Max AC current 20.0 A 52.1 A 32.1 A apart
Weight per kW 2.7 kg/kW 3.0 kg/kW 0.3 kg/kW lighter
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Dimensions 540x315x260 mm 724x511x226 mm 540x315x260 mm vs 724x511x226 mm
02

Full specification

Parameter SolarEdge SE12.5K (Three Phase) Fronius Primo 12.5-1 Difference
AC output
Rated AC power 12.50 kW 12.50 kW Same
Max AC power 12.50 kW 12.50 kW Same
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 240 V 160 V apart
Max AC current 20.0 A 52.1 A 32.1 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 - 200-800 V Not published by SolarEdge
Start voltage - 80 V Not published by SolarEdge
MPP trackers - 2 Not published by SolarEdge
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - 33.0 A Not published by SolarEdge
Efficiency
European efficiency 97.7 % - Not published by Fronius International
Max efficiency 98.0 % 96.7 % +1.3 pp for SolarEdge SE12.5K (Three Phase)
CEC efficiency - 96.5 % 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 33.2 kg 37.4 kg -4.2 kg for SolarEdge SE12.5K (Three Phase)
Weight per kW 2.7 kg/kW 3.0 kg/kW -0.3 kg/kW for SolarEdge SE12.5K (Three Phase)
Dimensions 540x315x260 mm 724x511x226 mm 540x315x260 mm vs 724x511x226 mm
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Cooling forced-air forced-air Same
Noise 55 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 Not published by SolarEdge
03

More useful comparisons

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8 differences, the largest is max pv power
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Fronius International
SolarEdge SE12.5K (Three Phase) vs Fronius Symo 12.5-3 480
4 differences, the largest is weight
04

Written summary

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