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Fronius Eco 27.0-3-S vs SolarEdge SE27.6K (Three Phase) 9 of 17 identical Swap Change inverters

Fronius Eco 27.0-3-S vs SolarEdge SE27.6K (Three Phase)

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
VS
SolarEdge SE27.6K (Three Phase)
SolarEdge
SolarEdge SE27.6K (Three Phase)
27.6 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

Fronius Eco 27.0-3-S leads on the differences that matter

The largest is rated ac power: 0.60 kW apart. 9 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
9 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 17 parameters
Parameter Fronius Eco 27.0-3-S SolarEdge SE27.6K (Three Phase) Difference
Rated AC power 27.00 kW 27.60 kW 0.60 kW apart
Max AC power 27.00 kW 27.60 kW 0.60 kW apart
Max PV power 37.80 kW 37.25 kW 0.55 kW apart
Weight 35.7 kg 45.0 kg 9.3 kg lighter
Weight per kW 1.3 kg/kW 1.6 kg/kW 0.3 kg/kW lighter
Ingress protection IP66 IP65 IP66 vs IP65
DC/AC ratio 1.40 1.35 0.05 more oversizing headroom
Dimensions 725x510x225 mm 540x315x260 mm 725x510x225 mm vs 540x315x260 mm
02

Full specification

Parameter Fronius Eco 27.0-3-S SolarEdge SE27.6K (Three Phase) Difference
AC output
Rated AC power 27.00 kW 27.60 kW 0.60 kW apart
Max AC power 27.00 kW 27.60 kW 0.60 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current - 40.0 A Not published by Fronius International
PV input
Max PV power 37.80 kW 37.25 kW 0.55 kW apart
DC/AC ratio 1.40 1.35 +0.05 for Fronius Eco 27.0-3-S
Max DC voltage 1000 V 1000 V Same
MPPT voltage range 580-850 V - Not published by SolarEdge
Start voltage 650 V - Not published by SolarEdge
MPP trackers 1 - Not published by SolarEdge
Strings per tracker 6 - Not published by SolarEdge
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency 98.0 % 98.0 % Same
Max efficiency 98.3 % 98.3 % Same
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 45.0 kg -9.3 kg for Fronius Eco 27.0-3-S
Weight per kW 1.3 kg/kW 1.6 kg/kW -0.3 kg/kW for Fronius Eco 27.0-3-S
Dimensions 725x510x225 mm 540x315x260 mm 725x510x225 mm vs 540x315x260 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling forced-air forced-air Same
Noise - 55 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 - Not published by SolarEdge
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

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SolarEdge SE27.6K (Three Phase) vs SolarEdge SE50K (for 220V/230V line-to-line grids)
8 differences, the largest is rated ac power
04

Written summary

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