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

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

Deye SUN-7.5K-G
Deye
SUN-7.5K-G
7.5 kW 97.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Primo 7.6-1
Fronius International
Fronius Primo 7.6-1
7.6 kW 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 SUN-7.5K-G Fronius Primo 7.6-1 Difference
Max DC voltage 550 V 1000 V 450 V apart
Max efficiency 97.7 % 96.9 % 0.8 pp more efficient
Rated AC power 7.50 kW 7.60 kW 0.10 kW apart
Max AC power 8.30 kW 7.60 kW 0.70 kW apart
Weight 11.0 kg 21.4 kg 10.4 kg lighter
Weight per kW 1.5 kg/kW 2.8 kg/kW 1.4 kg/kW lighter
Max AC current 35.9 A 31.7 A 4.2 A apart
Start voltage 120 V 80 V 40 V earlier start
Max operating temperature 65 °C 60 °C 5 °C more heat tolerant
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Nominal AC voltage 230 V 240 V 10 V apart
MPPT voltage range 70-550 V 200-800 V 70-550 V vs 200-800 V
Dimensions 310x330x198 mm 627x429x206 mm 310x330x198 mm vs 627x429x206 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter SUN-7.5K-G Fronius Primo 7.6-1 Difference
AC output
Rated AC power 7.50 kW 7.60 kW 0.10 kW apart
Max AC power 8.30 kW 7.60 kW 0.70 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 240 V 10 V apart
Max AC current 35.9 A 31.7 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 550 V 1000 V 450 V apart
MPPT voltage range 70-550 V 200-800 V 70-550 V vs 200-800 V
Start voltage 120 V 80 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 97.7 % 96.9 % +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 11.0 kg 21.4 kg -10.4 kg for SUN-7.5K-G
Weight per kW 1.5 kg/kW 2.8 kg/kW -1.4 kg/kW for SUN-7.5K-G
Dimensions 310x330x198 mm 627x429x206 mm 310x330x198 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 65 °C 60 °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

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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.