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MID 25KTL3-X1 vs Fronius Eco 25.0-3-S 10 of 21 identical Swap Change inverters

Growatt MID 25KTL3-X1 vs Fronius Eco 25.0-3-S

Growatt MID 25KTL3-X1
Growatt
MID 25KTL3-X1
25 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
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
The verdict

MID 25KTL3-X1 leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 10 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
10 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 21 parameters
Parameter MID 25KTL3-X1 Fronius Eco 25.0-3-S Difference
European efficiency 98.5 % 98.0 % 0.5 pp more efficient
Max DC voltage 1100 V 1000 V 100 V apart
Max efficiency 98.8 % 98.2 % 0.6 pp more efficient
Max AC power 27.70 kW 25.00 kW 2.70 kW apart
Weight 29.5 kg 35.7 kg 6.2 kg lighter
Max PV power 37.50 kW 37.80 kW 0.30 kW apart
Start voltage 250 V 650 V 400 V earlier start
Strings per tracker 2 6 4 strings apart
Weight per kW 1.2 kg/kW 1.4 kg/kW 0.2 kg/kW lighter
MPPT voltage range 200-1000 V 580-850 V 200-1000 V vs 580-850 V
Dimensions 435x580x230 mm 725x510x225 mm 435x580x230 mm vs 725x510x225 mm
02

Full specification

Parameter MID 25KTL3-X1 Fronius Eco 25.0-3-S Difference
AC output
Rated AC power 25.00 kW 25.00 kW Same
Max AC power 27.70 kW 25.00 kW 2.70 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 41.9 A - Not published by Fronius International
PV input
Max PV power 37.50 kW 37.80 kW 0.30 kW apart
DC/AC ratio 1.50 1.51 Effectively the same
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 200-1000 V 580-850 V 200-1000 V vs 580-850 V
Start voltage 250 V 650 V -400 V for MID 25KTL3-X1
MPP trackers - 1 Not published by Growatt
Strings per tracker 2 6 4 strings apart
Max input current per tracker 26.0 A - Not published by Fronius International
Efficiency
European efficiency 98.5 % 98.0 % +0.5 pp for MID 25KTL3-X1
Max efficiency 98.8 % 98.2 % +0.6 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 29.5 kg 35.7 kg -6.2 kg for MID 25KTL3-X1
Weight per kW 1.2 kg/kW 1.4 kg/kW -0.2 kg/kW for MID 25KTL3-X1
Dimensions 435x580x230 mm 725x510x225 mm 435x580x230 mm vs 725x510x225 mm
Ingress protection IP66 IP66 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 - Not published by Fronius International
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by Fronius International
03

More useful comparisons

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Growatt MID 25KTL3-X1 vs GoodWe GW25K-MT
9 differences, the largest is max input current per tracker
04

Written summary

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