Skip to main content
Fronius Primo 7.6-1 vs SOFAR 7.7KTLM-G3 4 of 19 identical Swap Change inverters

Fronius Primo 7.6-1 vs SOFAR 7.7KTLM-G3

Fronius Primo 7.6-1
Fronius International
Fronius Primo 7.6-1
7.6 kW Grid-tie
Open inverter page Datasheet PDF
VS
SOFAR 7.7KTLM-G3
Sofar Solar
SOFAR 7.7KTLM-G3
7.7 kW 97.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SOFAR 7.7KTLM-G3 leads on the differences that matter

The largest is max dc voltage: 400 V apart. 4 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 15 differences
How alike are they
4 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 19 parameters
Parameter Fronius Primo 7.6-1 SOFAR 7.7KTLM-G3 Difference
Max DC voltage 1000 V 600 V 400 V apart
Max input current per tracker 33.0 A 20.0 A 13.0 A more headroom
Max efficiency 96.9 % 98.1 % 1.2 pp more efficient
Rated AC power 7.60 kW 7.70 kW 0.10 kW apart
Weight 21.4 kg 17.5 kg 3.9 kg lighter
Weight per kW 2.8 kg/kW 2.3 kg/kW 0.5 kg/kW lighter
Max AC power 7.60 kW 7.70 kW 0.10 kW apart
Max AC current 31.7 A 35.0 A 3.3 A apart
MPP trackers 2 3 1 tracker more
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 80-550 V 200-800 V vs 80-550 V
Start voltage 80 V 90 V 10 V earlier start
Dimensions 627x429x206 mm 380x468x187 mm 627x429x206 mm vs 380x468x187 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter Fronius Primo 7.6-1 SOFAR 7.7KTLM-G3 Difference
AC output
Rated AC power 7.60 kW 7.70 kW 0.10 kW apart
Max AC power 7.60 kW 7.70 kW 0.10 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 35.0 A 3.3 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1000 V 600 V 400 V apart
MPPT voltage range 200-800 V 80-550 V 200-800 V vs 80-550 V
Start voltage 80 V 90 V -10 V for Fronius Primo 7.6-1
MPP trackers 2 3 +1 trackers for SOFAR 7.7KTLM-G3
Strings per tracker - 1 Not published by Fronius International
Max input current per tracker 33.0 A 20.0 A +13.0 A for Fronius Primo 7.6-1
Efficiency
European efficiency - 97.3 % Not published by Fronius International
Max efficiency 96.9 % 98.1 % +1.2 pp for SOFAR 7.7KTLM-G3
CEC efficiency 96.0 % - Not published by Sofar Solar
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 17.5 kg -3.9 kg for SOFAR 7.7KTLM-G3
Weight per kW 2.8 kg/kW 2.3 kg/kW -0.5 kg/kW for SOFAR 7.7KTLM-G3
Dimensions 627x429x206 mm 380x468x187 mm 627x429x206 mm vs 380x468x187 mm
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
Cooling forced-air natural forced-air vs natural
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes - Not published by Sofar Solar
Arc fault protection Yes - Not published by Sofar Solar
Integrated DC switch Yes Yes Same
Warranty
Warranty 10 yrs - Not published by Sofar Solar
03

More useful comparisons

Open all inverters
Same type, similar size
Deye
Fronius Primo 7.6-1 vs Deye SUN-7.5K-G
14 differences, the largest is max dc voltage
Same type, similar size
Growatt
Fronius Primo 7.6-1 vs Growatt MOD 8000TL3-X
16 differences, the largest is rated ac power
Same type, similar size
Growatt
Fronius Primo 7.6-1 vs Growatt MOD 8KTL3-X2(Pro)
16 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.