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

SOFAR 7.7KTLM-G3 vs Fronius Primo 7.6-1

SOFAR 7.7KTLM-G3
Sofar Solar
SOFAR 7.7KTLM-G3
7.7 kW 97.3 % 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

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 SOFAR 7.7KTLM-G3 Fronius Primo 7.6-1 Difference
Max DC voltage 600 V 1000 V 400 V apart
Max input current per tracker 20.0 A 33.0 A 13.0 A more headroom
Max efficiency 98.1 % 96.9 % 1.2 pp more efficient
Rated AC power 7.70 kW 7.60 kW 0.10 kW apart
Weight 17.5 kg 21.4 kg 3.9 kg lighter
Weight per kW 2.3 kg/kW 2.8 kg/kW 0.5 kg/kW lighter
Max AC power 7.70 kW 7.60 kW 0.10 kW apart
Max AC current 35.0 A 31.7 A 3.3 A apart
MPP trackers 3 2 1 tracker more
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Nominal AC voltage 230 V 240 V 10 V apart
MPPT voltage range 80-550 V 200-800 V 80-550 V vs 200-800 V
Start voltage 90 V 80 V 10 V earlier start
Dimensions 380x468x187 mm 627x429x206 mm 380x468x187 mm vs 627x429x206 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter SOFAR 7.7KTLM-G3 Fronius Primo 7.6-1 Difference
AC output
Rated AC power 7.70 kW 7.60 kW 0.10 kW apart
Max AC power 7.70 kW 7.60 kW 0.10 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 240 V 10 V apart
Max AC current 35.0 A 31.7 A 3.3 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 600 V 1000 V 400 V apart
MPPT voltage range 80-550 V 200-800 V 80-550 V vs 200-800 V
Start voltage 90 V 80 V -10 V for Fronius Primo 7.6-1
MPP trackers 3 2 +1 trackers for SOFAR 7.7KTLM-G3
Strings per tracker 1 - Not published by Fronius International
Max input current per tracker 20.0 A 33.0 A +13.0 A for Fronius Primo 7.6-1
Efficiency
European efficiency 97.3 % - Not published by Fronius International
Max efficiency 98.1 % 96.9 % +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 17.5 kg 21.4 kg -3.9 kg for SOFAR 7.7KTLM-G3
Weight per kW 2.3 kg/kW 2.8 kg/kW -0.5 kg/kW for SOFAR 7.7KTLM-G3
Dimensions 380x468x187 mm 627x429x206 mm 380x468x187 mm vs 627x429x206 mm
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Cooling natural forced-air natural vs forced-air
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

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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.