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Fronius Verto 20.0 vs SUN2000-20KTL-M5 12 of 23 identical Swap Change inverters

Fronius Verto 20.0 vs Huawei SUN2000-20KTL-M5

Fronius Verto 20.0
Fronius International
Fronius Verto 20.0
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Huawei SUN2000-20KTL-M5
Huawei
SUN2000-20KTL-M5
20 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

11 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 12 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
12 of 23 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 23 parameters
Parameter Fronius Verto 20.0 SUN2000-20KTL-M5 Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 28.0 A 30.0 A 2.0 A more headroom
European efficiency 98.3 % 98.0 % 0.3 pp more efficient
MPP trackers 4 2 2 trackers more
Weight 35.2 kg 21.0 kg 14.2 kg lighter
Weight per kW 1.8 kg/kW 1.1 kg/kW 0.7 kg/kW lighter
Max AC current 30.3 A 33.6 A 3.3 A apart
Start voltage 150 V 200 V 50 V earlier start
MPPT voltage range 150-870 V 200-800 V 150-870 V vs 200-800 V
Dimensions 730x540x278 mm 470x525x166 mm 730x540x278 mm vs 470x525x166 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter Fronius Verto 20.0 SUN2000-20KTL-M5 Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 20.00 kW 20.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 30.3 A 33.6 A 3.3 A apart
PV input
Max PV power 30.00 kW 30.00 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 150-870 V 200-800 V 150-870 V vs 200-800 V
Start voltage 150 V 200 V -50 V for Fronius Verto 20.0
MPP trackers 4 2 +2 trackers for Fronius Verto 20.0
Strings per tracker 2 2 Same
Max input current per tracker 28.0 A 30.0 A +2.0 A for SUN2000-20KTL-M5
Efficiency
European efficiency 98.3 % 98.0 % +0.3 pp for Fronius Verto 20.0
Max efficiency 98.6 % 98.4 % Effectively the 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 35.2 kg 21.0 kg -14.2 kg for SUN2000-20KTL-M5
Weight per kW 1.8 kg/kW 1.1 kg/kW -0.7 kg/kW for SUN2000-20KTL-M5
Dimensions 730x540x278 mm 470x525x166 mm 730x540x278 mm vs 470x525x166 mm
Ingress protection IP66 IP66 Same
Cooling forced-air natural forced-air vs natural
Noise 56 dB - Not published by Huawei
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by Huawei
Ethernet Yes - Not published by Huawei
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

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Fronius Verto 20.0 vs Sungrow SG20KTL-M
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Huawei
Fronius Verto 20.0 vs Huawei SUN2000-20KTL-M2
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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.