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Fronius Verto 33.3 vs SUN2000-33KTL-NH 8 of 18 identical Swap Change inverters

Fronius Verto 33.3 vs Huawei SUN2000-33KTL-NH

Fronius Verto 33.3
Fronius International
Fronius Verto 33.3
33.3 kW 97.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Huawei
SUN2000-33KTL-NH
33.3 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

Fronius Verto 33.3 leads on the differences that matter

The largest is max dc voltage: 100 V apart. 8 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

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

What actually differs

10 of 18 parameters
Parameter Fronius Verto 33.3 SUN2000-33KTL-NH Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 28.0 A 26.0 A 2.0 A more headroom
Max efficiency 98.0 % 98.8 % 0.8 pp more efficient
Max AC power 33.30 kW 38.00 kW 4.70 kW apart
Weight 41.8 kg 43.0 kg 1.2 kg lighter
Max AC current 50.5 A 45.8 A 4.7 A apart
Start voltage 150 V 200 V 50 V earlier start
MPPT voltage range 150-870 V 200-1000 V 150-870 V vs 200-1000 V
Dimensions 865x574x279 mm 530x681x270 mm 865x574x279 mm vs 530x681x270 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter Fronius Verto 33.3 SUN2000-33KTL-NH Difference
AC output
Rated AC power 33.30 kW 33.30 kW Same
Max AC power 33.30 kW 38.00 kW 4.70 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V - Not published by Huawei
Max AC current 50.5 A 45.8 A 4.7 A apart
PV input
Max PV power 50.00 kW - Not published by Huawei
DC/AC ratio 1.50 - Not published by Huawei
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 150-870 V 200-1000 V 150-870 V vs 200-1000 V
Start voltage 150 V 200 V -50 V for Fronius Verto 33.3
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 33.3
Efficiency
European efficiency 97.8 % - Not published by Huawei
Max efficiency 98.0 % 98.8 % +0.8 pp for SUN2000-33KTL-NH
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 43.0 kg -1.2 kg for Fronius Verto 33.3
Weight per kW 1.3 kg/kW 1.3 kg/kW Same
Dimensions 865x574x279 mm 530x681x270 mm 865x574x279 mm vs 530x681x270 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 - Not published by Huawei
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.