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

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

Fronius Primo 12.5-1
Fronius International
Fronius Primo 12.5-1
12.5 kW Grid-tie
Open inverter page Datasheet PDF
VS
SolarEdge SE12.5K (Three Phase)
SolarEdge
SolarEdge SE12.5K (Three Phase)
12.5 kW 97.7 % euro 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 Fronius Primo 12.5-1 SolarEdge SE12.5K (Three Phase) Difference
Max efficiency 96.7 % 98.0 % 1.3 pp more efficient
Weight 37.4 kg 33.2 kg 4.2 kg lighter
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 240 V 400 V 160 V apart
Max AC current 52.1 A 20.0 A 32.1 A apart
Weight per kW 3.0 kg/kW 2.7 kg/kW 0.3 kg/kW lighter
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
Dimensions 724x511x226 mm 540x315x260 mm 724x511x226 mm vs 540x315x260 mm
02

Full specification

Parameter Fronius Primo 12.5-1 SolarEdge SE12.5K (Three Phase) 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 Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 240 V 400 V 160 V apart
Max AC current 52.1 A 20.0 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 96.7 % 98.0 % +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 37.4 kg 33.2 kg -4.2 kg for SolarEdge SE12.5K (Three Phase)
Weight per kW 3.0 kg/kW 2.7 kg/kW -0.3 kg/kW for SolarEdge SE12.5K (Three Phase)
Dimensions 724x511x226 mm 540x315x260 mm 724x511x226 mm vs 540x315x260 mm
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
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

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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.