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Fronius Verto 25.0 400 vs MID 25KTL3-X1 14 of 24 identical Swap Change inverters

Fronius Verto 25.0 400 vs Growatt MID 25KTL3-X1

Fronius Verto 25.0 400
Fronius International
Fronius Verto 25.0 400
25 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 25KTL3-X1
Growatt
MID 25KTL3-X1
25 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

10 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 14 of 24 comparable parameters are identical, with 8 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
14 of 24 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 24 parameters
Parameter Fronius Verto 25.0 400 MID 25KTL3-X1 Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 28.0 A 26.0 A 2.0 A more headroom
Max AC power 25.00 kW 27.70 kW 2.70 kW apart
Weight 35.2 kg 29.5 kg 5.7 kg lighter
Max AC current 36.2 A 41.9 A 5.7 A apart
Start voltage 150 V 250 V 100 V earlier start
Max efficiency 98.6 % 98.8 % 0.2 pp more efficient
Weight per kW 1.4 kg/kW 1.2 kg/kW 0.2 kg/kW lighter
MPPT voltage range 150-870 V 200-1000 V 150-870 V vs 200-1000 V
Dimensions 730x540x278 mm 435x580x230 mm 730x540x278 mm vs 435x580x230 mm
02

Full specification

Parameter Fronius Verto 25.0 400 MID 25KTL3-X1 Difference
AC output
Rated AC power 25.00 kW 25.00 kW Same
Max AC power 25.00 kW 27.70 kW 2.70 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 36.2 A 41.9 A 5.7 A apart
PV input
Max PV power 37.50 kW 37.50 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 150-870 V 200-1000 V 150-870 V vs 200-1000 V
Start voltage 150 V 250 V -100 V for Fronius Verto 25.0 400
MPP trackers 4 - Not published by Growatt
Strings per tracker 2 2 Same
Max input current per tracker 28.0 A 26.0 A +2.0 A for Fronius Verto 25.0 400
Efficiency
European efficiency 98.3 % 98.5 % Effectively the same
Max efficiency 98.6 % 98.8 % +0.2 pp for MID 25KTL3-X1
CEC efficiency - - Neither datasheet publishes this
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 35.2 kg 29.5 kg -5.7 kg for MID 25KTL3-X1
Weight per kW 1.4 kg/kW 1.2 kg/kW -0.2 kg/kW for MID 25KTL3-X1
Dimensions 730x540x278 mm 435x580x230 mm 730x540x278 mm vs 435x580x230 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 56 dB - Not published by Growatt
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 - 5 yrs Not published by Fronius International
03

More useful comparisons

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Fronius Verto 25.0 400 vs Growatt MID 25KTL3-X2 (Pro.E)
12 differences, the largest is max dc voltage
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Fronius Verto 25.0 400 vs Growatt MID 25KTL3-X
11 differences, the largest is max dc voltage
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GoodWe
Fronius Verto 25.0 400 vs GoodWe GW25K-MT
9 differences, the largest is max dc voltage
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.