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Symo 10.0-3 208-240 vs Primo 10.0-1 12 of 19 identical Swap Change inverters

Fronius Symo 10.0-3 208-240 vs Fronius Primo 10.0-1

Fronius Symo 10.0-3 208-240
Fronius International
Fronius Symo 10.0-3 208-240
9.995 kW Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Primo 10.0-1
Fronius International
Fronius Primo 10.0-1
9.995 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

Primo 10.0-1 leads on the differences that matter

The largest is weight: 4.3 kg lighter. 12 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
12 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 19 parameters
Parameter Symo 10.0-3 208-240 Primo 10.0-1 Difference
Weight 41.7 kg 37.4 kg 4.3 kg lighter
CEC efficiency 96.5 % 96.0 % 0.5 pp more efficient
Max efficiency 97.0 % 96.7 % 0.3 pp more efficient
Weight per kW 4.2 kg/kW 3.7 kg/kW 0.4 kg/kW lighter
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Max AC current 27.7 A 41.6 A 13.9 A apart
Start voltage 200 V 80 V 120 V earlier start
02

Full specification

Parameter Symo 10.0-3 208-240 Primo 10.0-1 Difference
AC output
Rated AC power 9.99 kW 9.99 kW Same
Max AC power 9.99 kW 9.99 kW Same
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage - 240 V Not published by Fronius International
Max AC current 27.7 A 41.6 A 13.9 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1000 V 1000 V Same
MPPT voltage range - 200-800 V Not published by Fronius International
Start voltage 200 V 80 V -120 V for Primo 10.0-1
MPP trackers - 2 Not published by Fronius International
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - 33.0 A Not published by Fronius International
Efficiency
European efficiency - - Neither datasheet publishes this
Max efficiency 97.0 % 96.7 % +0.3 pp for Symo 10.0-3 208-240
CEC efficiency 96.5 % 96.0 % +0.5 pp for Symo 10.0-3 208-240
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 41.7 kg 37.4 kg -4.3 kg for Primo 10.0-1
Weight per kW 4.2 kg/kW 3.7 kg/kW -0.4 kg/kW for Primo 10.0-1
Dimensions 724x511x226 mm 724x511x226 mm Same
Ingress protection NEMA 4X NEMA 4X Same
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 10 yrs Same
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.