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Fronius Primo 7.6-1 vs SUN-7.5K-G 5 of 19 identical Swap Change inverters

Fronius Primo 7.6-1 vs Deye SUN-7.5K-G

Fronius Primo 7.6-1
Fronius International
Fronius Primo 7.6-1
7.6 kW Grid-tie
Open inverter page Datasheet PDF
VS
Deye SUN-7.5K-G
Deye
SUN-7.5K-G
7.5 kW 97.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SUN-7.5K-G leads on the differences that matter

The largest is max dc voltage: 450 V apart. 5 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
5 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 19 parameters
Parameter Fronius Primo 7.6-1 SUN-7.5K-G Difference
Max DC voltage 1000 V 550 V 450 V apart
Max efficiency 96.9 % 97.7 % 0.8 pp more efficient
Rated AC power 7.60 kW 7.50 kW 0.10 kW apart
Max AC power 7.60 kW 8.30 kW 0.70 kW apart
Weight 21.4 kg 11.0 kg 10.4 kg lighter
Weight per kW 2.8 kg/kW 1.5 kg/kW 1.4 kg/kW lighter
Max AC current 31.7 A 35.9 A 4.2 A apart
Start voltage 80 V 120 V 40 V earlier start
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
Nominal AC voltage 240 V 230 V 10 V apart
MPPT voltage range 200-800 V 70-550 V 200-800 V vs 70-550 V
Dimensions 627x429x206 mm 310x330x198 mm 627x429x206 mm vs 310x330x198 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter Fronius Primo 7.6-1 SUN-7.5K-G Difference
AC output
Rated AC power 7.60 kW 7.50 kW 0.10 kW apart
Max AC power 7.60 kW 8.30 kW 0.70 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 240 V 230 V 10 V apart
Max AC current 31.7 A 35.9 A 4.2 A apart
PV input
Max PV power - 9.80 kW Not published by Fronius International
DC/AC ratio - 1.31 Not published by Fronius International
Max DC voltage 1000 V 550 V 450 V apart
MPPT voltage range 200-800 V 70-550 V 200-800 V vs 70-550 V
Start voltage 80 V 120 V -40 V for Fronius Primo 7.6-1
MPP trackers 2 2 Same
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker 33.0 A - Not published by Deye
Efficiency
European efficiency - 97.5 % Not published by Fronius International
Max efficiency 96.9 % 97.7 % +0.8 pp for SUN-7.5K-G
CEC efficiency 96.0 % - Not published by Deye
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 21.4 kg 11.0 kg -10.4 kg for SUN-7.5K-G
Weight per kW 2.8 kg/kW 1.5 kg/kW -1.4 kg/kW for SUN-7.5K-G
Dimensions 627x429x206 mm 310x330x198 mm 627x429x206 mm vs 310x330x198 mm
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
Cooling forced-air natural forced-air vs natural
Noise - 25 dB Not published by Fronius International
Max operating temperature 60 °C 65 °C +5 °C for SUN-7.5K-G
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes - Not published by Deye
Integrated DC switch Yes Yes Same
Warranty
Warranty 10 yrs - Not published by Deye
03

More useful comparisons

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15 differences, the largest is max dc voltage
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Fronius Primo 7.6-1 vs Growatt MOD 8000TL3-X
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Fronius Primo 7.6-1 vs Growatt MOD 8KTL3-X2(Pro)
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Deye SUN-7.5K-G vs SolarEdge SE12.5K (Delta grid version; part no. SExxK-xxxxxbxx4)
14 differences, the largest is rated ac power
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Growatt
Deye SUN-7.5K-G vs Growatt MOD 7000TL3-X
17 differences, the largest is rated 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.