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Fronius Eco 25.0-3-S vs MID 25KTL3-X 9 of 21 identical Swap Change inverters

Fronius Eco 25.0-3-S vs Growatt MID 25KTL3-X

Fronius Eco 25.0-3-S
Fronius International
Fronius Eco 25.0-3-S
25 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 25KTL3-X
Growatt
MID 25KTL3-X
25 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

MID 25KTL3-X leads on the differences that matter

The largest is european efficiency: 0.6 pp more efficient. 9 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
9 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 21 parameters
Parameter Fronius Eco 25.0-3-S MID 25KTL3-X Difference
European efficiency 98.0 % 98.6 % 0.6 pp more efficient
Max DC voltage 1000 V 1100 V 100 V apart
Max efficiency 98.2 % 98.8 % 0.5 pp more efficient
Max AC power 25.00 kW 27.70 kW 2.70 kW apart
Weight 35.7 kg 23.0 kg 12.7 kg lighter
Max PV power 37.80 kW 37.50 kW 0.30 kW apart
Weight per kW 1.4 kg/kW 0.9 kg/kW 0.5 kg/kW lighter
Start voltage 650 V 250 V 400 V earlier start
MPP trackers 1 2 1 tracker more
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 580-850 V 200-1000 V 580-850 V vs 200-1000 V
Dimensions 725x510x225 mm 395x525x222 mm 725x510x225 mm vs 395x525x222 mm
02

Full specification

Parameter Fronius Eco 25.0-3-S MID 25KTL3-X 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 - 40.2 A Not published by Fronius International
PV input
Max PV power 37.80 kW 37.50 kW 0.30 kW apart
DC/AC ratio 1.51 1.50 Effectively the same
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 580-850 V 200-1000 V 580-850 V vs 200-1000 V
Start voltage 650 V 250 V -400 V for MID 25KTL3-X
MPP trackers 1 2 +1 trackers for MID 25KTL3-X
Strings per tracker 6 - Not published by Growatt
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency 98.0 % 98.6 % +0.6 pp for MID 25KTL3-X
Max efficiency 98.2 % 98.8 % +0.5 pp for MID 25KTL3-X
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 35.7 kg 23.0 kg -12.7 kg for MID 25KTL3-X
Weight per kW 1.4 kg/kW 0.9 kg/kW -0.5 kg/kW for MID 25KTL3-X
Dimensions 725x510x225 mm 395x525x222 mm 725x510x225 mm vs 395x525x222 mm
Ingress protection IP66 IP65 IP66 vs IP65
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 - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 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.