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SolarEdge SE3680H (HD‑Wave, single phase) vs Fronius Primo 3.8-1 6 of 17 identical Swap Change inverters

SolarEdge SE3680H (HD‑Wave, single phase) vs Fronius Primo 3.8-1

SolarEdge
SolarEdge SE3680H (HD‑Wave, single phase)
3.68 kW 98.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Primo 3.8-1
Fronius International
Fronius Primo 3.8-1
3.8 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

SolarEdge SE3680H (HD‑Wave, single phase) leads on the differences that matter

The largest is warranty: 15 yrs longer. 6 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
6 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 17 parameters
Parameter SolarEdge SE3680H (HD‑Wave, single phase) Fronius Primo 3.8-1 Difference
Warranty 25 yrs 10 yrs 15 yrs longer
Max DC voltage 480 V 1000 V 520 V apart
Max efficiency 99.2 % 96.7 % 2.5 pp more efficient
Rated AC power 3.68 kW 3.80 kW 0.12 kW apart
Weight 7.8 kg 21.4 kg 13.6 kg lighter
Weight per kW 2.1 kg/kW 5.6 kg/kW 3.5 kg/kW lighter
Max AC power 3.68 kW 3.80 kW 0.12 kW apart
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Nominal AC voltage 230 V 240 V 10 V apart
Dimensions 280x370x142 mm 627x429x206 mm 280x370x142 mm vs 627x429x206 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter SolarEdge SE3680H (HD‑Wave, single phase) Fronius Primo 3.8-1 Difference
AC output
Rated AC power 3.68 kW 3.80 kW 0.12 kW apart
Max AC power 3.68 kW 3.80 kW 0.12 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 240 V 10 V apart
Max AC current 16.0 A 15.8 A Effectively the same
PV input
Max PV power 5.70 kW - Not published by Fronius International
DC/AC ratio 1.55 - Not published by Fronius International
Max DC voltage 480 V 1000 V 520 V apart
MPPT voltage range - 200-800 V Not published by SolarEdge
Start voltage - 80 V Not published by SolarEdge
MPP trackers - 2 Not published by SolarEdge
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - 33.0 A Not published by SolarEdge
Efficiency
European efficiency 98.8 % - Not published by Fronius International
Max efficiency 99.2 % 96.7 % +2.5 pp for SolarEdge SE3680H (HD‑Wave, single phase)
CEC efficiency - 95.0 % Not published by SolarEdge
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 7.8 kg 21.4 kg -13.6 kg for SolarEdge SE3680H (HD‑Wave, single phase)
Weight per kW 2.1 kg/kW 5.6 kg/kW -3.5 kg/kW for SolarEdge SE3680H (HD‑Wave, single phase)
Dimensions 280x370x142 mm 627x429x206 mm 280x370x142 mm vs 627x429x206 mm
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Cooling natural forced-air natural vs forced-air
Noise 25 dB - Not published by Fronius International
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch - Yes Not published by SolarEdge
Warranty
Warranty 25 yrs 10 yrs +15 yrs for SolarEdge SE3680H (HD‑Wave, single phase)
03

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10 differences, the largest is european efficiency
04

Written summary

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