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Fronius Primo 11.4-1 vs MOD 12KTL3-X 6 of 22 identical Swap Change inverters

Fronius Primo 11.4-1 vs Growatt MOD 12KTL3-X

Fronius Primo 11.4-1
Fronius International
Fronius Primo 11.4-1
11.4 kW Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MOD 12KTL3-X
Growatt
MOD 12KTL3-X
12 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

16 differences, and they point both ways

The largest is rated ac power: 0.60 kW apart. 6 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 16 differences
How alike are they
6 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

16 of 22 parameters
Parameter Fronius Primo 11.4-1 MOD 12KTL3-X Difference
Rated AC power 11.40 kW 12.00 kW 0.60 kW apart
Warranty 10 yrs 5 yrs 5 yrs longer
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 33.0 A 26.0 A 7.0 A more headroom
Max efficiency 96.7 % 98.6 % 1.9 pp more efficient
Max AC power 11.40 kW 12.00 kW 0.60 kW apart
Weight 37.4 kg 14.0 kg 23.4 kg lighter
Weight per kW 3.3 kg/kW 1.2 kg/kW 2.1 kg/kW 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 47.5 A 20.0 A 27.5 A apart
Start voltage 80 V 160 V 80 V earlier start
Ingress protection NEMA 4X IP66 NEMA 4X vs IP66
MPPT voltage range 200-800 V 140-1000 V 200-800 V vs 140-1000 V
Dimensions 724x511x226 mm 387x425x178 mm 724x511x226 mm vs 387x425x178 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter Fronius Primo 11.4-1 MOD 12KTL3-X Difference
AC output
Rated AC power 11.40 kW 12.00 kW 0.60 kW apart
Max AC power 11.40 kW 12.00 kW 0.60 kW apart
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 240 V 400 V 160 V apart
Max AC current 47.5 A 20.0 A 27.5 A apart
PV input
Max PV power - 18.00 kW Not published by Fronius International
DC/AC ratio - 1.50 Not published by Fronius International
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 200-800 V 140-1000 V 200-800 V vs 140-1000 V
Start voltage 80 V 160 V -80 V for Fronius Primo 11.4-1
MPP trackers 2 2 Same
Strings per tracker - 2 Not published by Fronius International
Max input current per tracker 33.0 A 26.0 A +7.0 A for Fronius Primo 11.4-1
Efficiency
European efficiency - 98.2 % Not published by Fronius International
Max efficiency 96.7 % 98.6 % +1.9 pp for MOD 12KTL3-X
CEC efficiency 96.5 % - Not published by Growatt
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 14.0 kg -23.4 kg for MOD 12KTL3-X
Weight per kW 3.3 kg/kW 1.2 kg/kW -2.1 kg/kW for MOD 12KTL3-X
Dimensions 724x511x226 mm 387x425x178 mm 724x511x226 mm vs 387x425x178 mm
Ingress protection NEMA 4X IP66 NEMA 4X vs IP66
Cooling forced-air natural forced-air vs natural
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 5 yrs +5 yrs for Fronius Primo 11.4-1
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Fronius Primo 11.4-1 vs Growatt MOD 11KTL3-X
16 differences, the largest is rated ac power
Same type, similar size
Fronius International
Fronius Primo 11.4-1 vs Fronius Symo Advanced 12.0-3 208-240
8 differences, the largest is rated ac power
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Fronius International
Fronius Primo 11.4-1 vs Fronius Symo 12.0-3 208-240
8 differences, the largest is rated ac power
Same type, similar size
Growatt
Growatt MOD 12KTL3-X vs Growatt MOD 12KTL3-X2(Pro)
4 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Growatt MOD 12KTL3-X vs Sungrow SG12KTL-M
8 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Growatt MOD 12KTL3-X vs Sungrow SG12RT-20
9 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.