Fronius Primo 11.4-1 vs Growatt MOD 11KTL3-X
VS
The verdict
16 differences, and they point both ways
The largest is rated ac power: 0.40 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 differencesHow alike are they
6
of 22 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
16 of 22 parameters
What actually differs
Parameter
Fronius Primo 11.4-1
MOD 11KTL3-X
Difference
Rated AC power
11.40 kW
11.00 kW
0.40 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
11.00 kW
0.40 kW apart
Weight
37.4 kg
14.0 kg
23.4 kg lighter
Weight per kW
3.3 kg/kW
1.3 kg/kW
2.0 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
18.3 A
29.2 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 11KTL3-X
Difference
AC output
Rated AC power
11.40 kW
11.00 kW
0.40 kW apart
Max AC power
11.40 kW
11.00 kW
0.40 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
18.3 A
29.2 A apart
PV input
Max PV power
-
16.50 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
-
98.1 %
Not published by Fronius International
Max efficiency
96.7 %
98.6 %
+1.9 pp for MOD 11KTL3-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 11KTL3-X
Weight per kW
3.3 kg/kW
1.3 kg/kW
-2.0 kg/kW for MOD 11KTL3-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
Open all inverters
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04
Written summary
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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.