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Fronius Primo GEN24 3.6 vs SUN2000-3.68KTL-L1 11 of 27 identical Swap Change inverters

Fronius Primo GEN24 3.6 vs Huawei SUN2000-3.68KTL-L1

Fronius International
Fronius Primo GEN24 3.6
3.68 kW 97.0 % euro Hybrid
Open inverter page Datasheet PDF
VS
Huawei SUN2000-3.68KTL-L1
Huawei
SUN2000-3.68KTL-L1
3.68 kW 97.3 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

SUN2000-3.68KTL-L1 leads on the differences that matter

The largest is max input current per tracker: 9.5 A more headroom. 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 3.6 SUN2000-3.68KTL-L1 Difference
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 PV power 3.81 kW 5.52 kW 1.71 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 4.2 kg/kW 3.3 kg/kW 0.9 kg/kW lighter
European efficiency 97.0 % 97.3 % 0.3 pp more efficient
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 350-560 Vdc (Huawei Smart ESS); 350-450 Vdc (LG Chem RESU 7H_R/10H_R; PV max voltage & MPPT upper limit reduced to 495 V with LG battery) 150-455 V vs 350-560 Vdc (Huawei Smart ESS); 350-450 Vdc (LG Chem RESU 7H_R/10H_R; PV max voltage & MPPT upper limit reduced to 495 V with LG battery)
Max AC current 16.7 A 16.0 A 0.7 A apart
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 3.6 SUN2000-3.68KTL-L1 Difference
AC output
Rated AC power 3.68 kW 3.68 kW Same
Max AC power 3.68 kW 3.68 kW Same
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 16.7 A 16.0 A 0.7 A apart
PV input
Max PV power 3.81 kW 5.52 kW 1.71 kW apart
DC/AC ratio 1.03 1.50 +0.47 for SUN2000-3.68KTL-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 3.6
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 3.6
Efficiency
European efficiency 97.0 % 97.3 % +0.3 pp for SUN2000-3.68KTL-L1
Max efficiency 97.6 % 98.4 % +0.8 pp for SUN2000-3.68KTL-L1
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 150-455 V 350-560 Vdc (Huawei Smart ESS); 350-450 Vdc (LG Chem RESU 7H_R/10H_R; PV max voltage & MPPT upper limit reduced to 495 V with LG battery) 150-455 V vs 350-560 Vdc (Huawei Smart ESS); 350-450 Vdc (LG Chem RESU 7H_R/10H_R; PV max voltage & MPPT upper limit reduced to 495 V with LG battery)
Max charge current 22 A 15 A +7 A for Fronius Primo GEN24 3.6
Backup power - - Neither datasheet publishes this
Physical
Weight 15.4 kg 12.0 kg -3.4 kg for SUN2000-3.68KTL-L1
Weight per kW 4.2 kg/kW 3.3 kg/kW -0.9 kg/kW for SUN2000-3.68KTL-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

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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.