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Fronius Verto 20.0 vs SUN2000-20KTL-M3 8 of 20 identical Swap Change inverters

Fronius Verto 20.0 vs Huawei SUN2000-20KTL-M3

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-M3
Huawei
SUN2000-20KTL-M3
20 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

Fronius Verto 20.0 leads on the differences that matter

The largest is max dc voltage: 250 V apart. 8 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
8 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 20 parameters
Parameter Fronius Verto 20.0 SUN2000-20KTL-M3 Difference
Max DC voltage 1000 V 750 V 250 V apart
Max input current per tracker 28.0 A 26.0 A 2.0 A more headroom
Max efficiency 98.6 % 97.6 % 1.0 pp more efficient
Weight 35.2 kg 43.0 kg 7.8 kg lighter
Noise 56 dB 50 dB 6 dB quieter
Nominal AC voltage 400 V 202 V 198 V apart
Max AC current 30.3 A 57.2 A 26.9 A apart
Start voltage 150 V 200 V 50 V earlier start
Weight per kW 1.8 kg/kW 2.1 kg/kW 0.4 kg/kW lighter
MPPT voltage range 150-870 V 200-750 V 150-870 V vs 200-750 V
Dimensions 730x540x278 mm 530x681x270 mm 730x540x278 mm vs 530x681x270 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter Fronius Verto 20.0 SUN2000-20KTL-M3 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 202 V 198 V apart
Max AC current 30.3 A 57.2 A 26.9 A apart
PV input
Max PV power 30.00 kW - Not published by Huawei
DC/AC ratio 1.50 - Not published by Huawei
Max DC voltage 1000 V 750 V 250 V apart
MPPT voltage range 150-870 V 200-750 V 150-870 V vs 200-750 V
Start voltage 150 V 200 V -50 V for Fronius Verto 20.0
MPP trackers 4 4 Same
Strings per tracker 2 2 Same
Max input current per tracker 28.0 A 26.0 A +2.0 A for Fronius Verto 20.0
Efficiency
European efficiency 98.3 % - Not published by Huawei
Max efficiency 98.6 % 97.6 % +1.0 pp for Fronius Verto 20.0
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 43.0 kg -7.8 kg for Fronius Verto 20.0
Weight per kW 1.8 kg/kW 2.1 kg/kW -0.4 kg/kW for Fronius Verto 20.0
Dimensions 730x540x278 mm 530x681x270 mm 730x540x278 mm vs 530x681x270 mm
Ingress protection IP66 IP66 Same
Cooling forced-air natural forced-air vs natural
Noise 56 dB 50 dB -6 dB for SUN2000-20KTL-M3
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 - Not published by Huawei
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

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Sungrow
Fronius Verto 20.0 vs Sungrow SG20KTL-M
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Huawei
Fronius Verto 20.0 vs Huawei SUN2000-20KTL-M2
12 differences, the largest is max dc voltage
04

Written summary

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