Skip to main content
Fronius Primo GEN24 4.6 vs SUN2000-4.6KTL-L1 11 of 27 identical Swap Change inverters

Fronius Primo GEN24 4.6 vs Huawei SUN2000-4.6KTL-L1

Fronius International
Fronius Primo GEN24 4.6
4.6 kW 97.2 % euro Hybrid
Open inverter page Datasheet PDF
VS
Huawei SUN2000-4.6KTL-L1
Huawei
SUN2000-4.6KTL-L1
4.6 kW 97.7 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

SUN2000-4.6KTL-L1 leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 11 of 27 comparable parameters are identical, with 5 more left out because at least one datasheet does not publish them.

See all 16 differences
How alike are they
11 of 27 comparable
parameters are identical
identical differs not published
01

What actually differs

16 of 27 parameters
Parameter Fronius Primo GEN24 4.6 SUN2000-4.6KTL-L1 Difference
European efficiency 97.2 % 97.7 % 0.5 pp more efficient
Max input current per tracker 22.0 A 12.5 A 9.5 A more headroom
Max efficiency 97.6 % 98.4 % 0.8 pp more efficient
Max AC power 4.60 kW 5.00 kW 0.40 kW apart
Max PV power 4.75 kW 6.90 kW 2.15 kW apart
DC/AC ratio 1.03 1.50 0.47 more oversizing headroom
Max charge current 22 A 15 A 7 A faster charging
Weight 15.4 kg 12.0 kg 3.4 kg lighter
Weight per kW 3.3 kg/kW 2.6 kg/kW 0.7 kg/kW lighter
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 65-530 V 90-560 V 65-530 V vs 90-560 V
Start voltage 80 V 100 V 20 V earlier start
Battery voltage 150-455 V 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh) 150-455 V vs 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh)
Strings per tracker 2 1 1 string apart
Dimensions 530x474x165 mm 365x365x156 mm 530x474x165 mm vs 365x365x156 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter Fronius Primo GEN24 4.6 SUN2000-4.6KTL-L1 Difference
AC output
Rated AC power 4.60 kW 4.60 kW Same
Max AC power 4.60 kW 5.00 kW 0.40 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 20.9 A 20.9 A Same
PV input
Max PV power 4.75 kW 6.90 kW 2.15 kW apart
DC/AC ratio 1.03 1.50 +0.47 for SUN2000-4.6KTL-L1
Max DC voltage 600 V 600 V Same
MPPT voltage range 65-530 V 90-560 V 65-530 V vs 90-560 V
Start voltage 80 V 100 V -20 V for Fronius Primo GEN24 4.6
MPP trackers 2 2 Same
Strings per tracker 2 1 1 string apart
Max input current per tracker 22.0 A 12.5 A +9.5 A for Fronius Primo GEN24 4.6
Efficiency
European efficiency 97.2 % 97.7 % +0.5 pp for SUN2000-4.6KTL-L1
Max efficiency 97.6 % 98.4 % +0.8 pp for SUN2000-4.6KTL-L1
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 150-455 V 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh) 150-455 V vs 350-450 Vdc (LG Chem RESU 7H_R/10H_R) or 350-560 Vdc (HUAWEI Smart ESS 5-30 kWh)
Max charge current 22 A 15 A +7 A for Fronius Primo GEN24 4.6
Backup power - - Neither datasheet publishes this
Physical
Weight 15.4 kg 12.0 kg -3.4 kg for SUN2000-4.6KTL-L1
Weight per kW 3.3 kg/kW 2.6 kg/kW -0.7 kg/kW for SUN2000-4.6KTL-L1
Dimensions 530x474x165 mm 365x365x156 mm 530x474x165 mm vs 365x365x156 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling forced-air natural forced-air vs natural
Noise 42 dB - Not published by Huawei
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 Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Huawei
Fronius Primo GEN24 4.6 vs Huawei SUN2000L-4.6KTL
15 differences, the largest is european efficiency
Same type, similar size
Growatt
Fronius Primo GEN24 4.6 vs Growatt SPM 4600TL-HU
16 differences, the largest is european efficiency
Same type, similar size
Growatt
Fronius Primo GEN24 4.6 vs Growatt MIN 4600TL-XH
16 differences, the largest is max dc voltage
Same type, similar size
Growatt
Huawei SUN2000-4.6KTL-L1 vs Growatt MIN 4600TL-XA
7 differences, the largest is max 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.