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SG15KTL-M vs Fronius Primo 15.0-1 6 of 18 identical Swap Change inverters

Sungrow SG15KTL-M vs Fronius Primo 15.0-1

Sungrow
SG15KTL-M
15 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Primo 15.0-1
Fronius International
Fronius Primo 15.0-1
15 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

SG15KTL-M leads on the differences that matter

The largest is max dc voltage: 100 V apart. 6 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
6 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 18 parameters
Parameter SG15KTL-M Fronius Primo 15.0-1 Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 22.0 A 33.0 A 11.0 A more headroom
Max efficiency 98.6 % 96.7 % 1.9 pp more efficient
Weight 24.0 kg 37.4 kg 13.4 kg lighter
Weight per kW 1.6 kg/kW 2.5 kg/kW 0.9 kg/kW lighter
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 240 V 160 V apart
Max AC current 24.0 A 62.5 A 38.5 A apart
Start voltage 250 V 80 V 170 V earlier start
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
MPPT voltage range 200-1000 V 200-800 V 200-1000 V vs 200-800 V
Dimensions 485x370x210 mm 724x511x226 mm 485x370x210 mm vs 724x511x226 mm
02

Full specification

Parameter SG15KTL-M Fronius Primo 15.0-1 Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 15.00 kW 15.00 kW Same
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 240 V 160 V apart
Max AC current 24.0 A 62.5 A 38.5 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 200-1000 V 200-800 V 200-1000 V vs 200-800 V
Start voltage 250 V 80 V -170 V for Fronius Primo 15.0-1
MPP trackers 2 2 Same
Strings per tracker 2 - Not published by Fronius International
Max input current per tracker 22.0 A 33.0 A +11.0 A for Fronius Primo 15.0-1
Efficiency
European efficiency 98.3 % - Not published by Fronius International
Max efficiency 98.6 % 96.7 % +1.9 pp for SG15KTL-M
CEC efficiency - 97.0 % Not published by Sungrow
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 24.0 kg 37.4 kg -13.4 kg for SG15KTL-M
Weight per kW 1.6 kg/kW 2.5 kg/kW -0.9 kg/kW for SG15KTL-M
Dimensions 485x370x210 mm 724x511x226 mm 485x370x210 mm vs 724x511x226 mm
Ingress protection IP65 NEMA 4X IP65 vs NEMA 4X
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by Sungrow
Ethernet - Yes Not published by Sungrow
Arc fault protection - Yes Not published by Sungrow
Integrated DC switch Yes Yes Same
Warranty
Warranty - 10 yrs Not published by Sungrow
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.