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Symo Advanced 12.5-3-M vs Fronius Primo 12.5-1 12 of 20 identical Swap Change inverters

Fronius International Symo Advanced 12.5-3-M vs Fronius Primo 12.5-1

Fronius International Symo Advanced 12.5-3-M
Fronius International
Symo Advanced 12.5-3-M
12.5 kW 97.4 % 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

Symo Advanced 12.5-3-M leads on the differences that matter

The largest is max efficiency: 1.1 pp more efficient. 12 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
12 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 20 parameters
Parameter Symo Advanced 12.5-3-M Fronius Primo 12.5-1 Difference
Max efficiency 97.8 % 96.7 % 1.1 pp more efficient
Weight 35.4 kg 37.4 kg 2.0 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 18.9 A 52.1 A 33.2 A apart
Start voltage 200 V 80 V 120 V earlier start
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 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 18.9 A 52.1 A 33.2 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 200-800 V Same
Start voltage 200 V 80 V -120 V for Fronius Primo 12.5-1
MPP trackers 2 2 Same
Strings per tracker 3 - Not published by Fronius International
Max input current per tracker - 33.0 A Not published by Fronius International
Efficiency
European efficiency 97.4 % - Not published by Fronius International
Max efficiency 97.8 % 96.7 % +1.1 pp for Symo Advanced 12.5-3-M
CEC efficiency - 96.5 % 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 37.4 kg -2.0 kg for Symo Advanced 12.5-3-M
Weight per kW 2.8 kg/kW 3.0 kg/kW Effectively the 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

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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.