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Verto 27.0 vs Eco 27.0-3-S 11 of 22 identical Swap Change inverters

Fronius Verto 27.0 vs Fronius Eco 27.0-3-S

Fronius Verto 27.0
Fronius International
Fronius Verto 27.0
27 kW 97.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Eco 27.0-3-S
Fronius International
Fronius Eco 27.0-3-S
27 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

11 differences, and they point both ways

The largest is mpp trackers: 3 trackers more. 11 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
11 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 22 parameters
Parameter Verto 27.0 Eco 27.0-3-S Difference
MPP trackers 4 1 3 trackers more
Max PV power 40.50 kW 37.80 kW 2.70 kW apart
Weight 41.8 kg 35.7 kg 6.0 kg lighter
European efficiency 97.8 % 98.0 % 0.2 pp more efficient
Max efficiency 98.0 % 98.3 % 0.3 pp more efficient
DC/AC ratio 1.50 1.40 0.10 more oversizing headroom
Start voltage 150 V 650 V 500 V earlier start
Strings per tracker 2 6 4 strings apart
Weight per kW 1.5 kg/kW 1.3 kg/kW 0.2 kg/kW lighter
MPPT voltage range 150-870 V 580-850 V 150-870 V vs 580-850 V
Dimensions 865x574x279 mm 725x510x225 mm 865x574x279 mm vs 725x510x225 mm
02

Full specification

Parameter Verto 27.0 Eco 27.0-3-S Difference
AC output
Rated AC power 27.00 kW 27.00 kW Same
Max AC power 27.00 kW 27.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 39.1 A - Not published by Fronius International
PV input
Max PV power 40.50 kW 37.80 kW 2.70 kW apart
DC/AC ratio 1.50 1.40 +0.10 for Verto 27.0
Max DC voltage 1000 V 1000 V Same
MPPT voltage range 150-870 V 580-850 V 150-870 V vs 580-850 V
Start voltage 150 V 650 V -500 V for Verto 27.0
MPP trackers 4 1 +3 trackers for Verto 27.0
Strings per tracker 2 6 4 strings apart
Max input current per tracker 28.0 A - Not published by Fronius International
Efficiency
European efficiency 97.8 % 98.0 % +0.2 pp for Eco 27.0-3-S
Max efficiency 98.0 % 98.3 % +0.3 pp for Eco 27.0-3-S
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 41.8 kg 35.7 kg -6.0 kg for Eco 27.0-3-S
Weight per kW 1.5 kg/kW 1.3 kg/kW -0.2 kg/kW for Eco 27.0-3-S
Dimensions 865x574x279 mm 725x510x225 mm 865x574x279 mm vs 725x510x225 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 56 dB - Not published by Fronius International
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 - - Neither datasheet publishes this
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.