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MAX 50KTL3 LV vs Fronius Tauro ECO 50-3-D (Direct) 10 of 18 identical Swap Change inverters

Growatt MAX 50KTL3 LV vs Fronius Tauro ECO 50-3-D (Direct)

Growatt MAX 50KTL3 LV
Growatt
MAX 50KTL3 LV
50 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Tauro ECO 50-3-D (Direct)
Fronius International
Fronius Tauro ECO 50-3-D (Direct)
50 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

8 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 10 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
10 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 18 parameters
Parameter MAX 50KTL3 LV Fronius Tauro ECO 50-3-D (Direct) Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max AC power 55.50 kW 50.00 kW 5.50 kW apart
Weight 82.0 kg 74.0 kg 8.0 kg lighter
European efficiency 98.4 % 98.2 % 0.2 pp more efficient
Max efficiency 98.8 % 98.5 % 0.3 pp more efficient
Max AC current 80.5 A 72.5 A 8.0 A apart
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
Dimensions 600x860x300 mm 755x1109x346 mm 600x860x300 mm vs 755x1109x346 mm
02

Full specification

Parameter MAX 50KTL3 LV Fronius Tauro ECO 50-3-D (Direct) Difference
AC output
Rated AC power 50.00 kW 50.00 kW Same
Max AC power 55.50 kW 50.00 kW 5.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 80.5 A 72.5 A 8.0 A apart
PV input
Max PV power 75.00 kW 75.00 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 200-1000 V - Not published by Fronius International
Start voltage 250 V - Not published by Fronius International
MPP trackers - - Neither datasheet publishes this
Strings per tracker 2 - Not published by Fronius International
Max input current per tracker 26.0 A - Not published by Fronius International
Efficiency
European efficiency 98.4 % 98.2 % +0.2 pp for MAX 50KTL3 LV
Max efficiency 98.8 % 98.5 % +0.3 pp for MAX 50KTL3 LV
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 82.0 kg 74.0 kg -8.0 kg for Fronius Tauro ECO 50-3-D (Direct)
Weight per kW 1.6 kg/kW 1.5 kg/kW Effectively the same
Dimensions 600x860x300 mm 755x1109x346 mm 600x860x300 mm vs 755x1109x346 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 65 °C +5 °C for Fronius Tauro ECO 50-3-D (Direct)
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - Yes Not published by Growatt
Arc fault protection - Yes Not published by Growatt
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.