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Fronius Symo 15.0-3 480 vs SG15KTL-M 6 of 14 identical Swap Change inverters

Fronius Symo 15.0-3 480 vs Sungrow SG15KTL-M

Fronius Symo 15.0-3 480
Fronius International
Fronius Symo 15.0-3 480
14.995 kW Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow
SG15KTL-M
15 kW 98.3 % euro 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 14 comparable parameters are identical, with 18 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
6 of 14 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 14 parameters
Parameter Fronius Symo 15.0-3 480 SG15KTL-M Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max efficiency 98.0 % 98.6 % 0.6 pp more efficient
Weight 43.4 kg 24.0 kg 19.4 kg lighter
Weight per kW 2.9 kg/kW 1.6 kg/kW 1.3 kg/kW lighter
Max AC current 18.0 A 24.0 A 6.0 A apart
Start voltage 200 V 250 V 50 V earlier start
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
Dimensions 724x511x226 mm 485x370x210 mm 724x511x226 mm vs 485x370x210 mm
02

Full specification

Parameter Fronius Symo 15.0-3 480 SG15KTL-M Difference
AC output
Rated AC power 14.99 kW 15.00 kW Effectively the same
Max AC power 14.99 kW 15.00 kW Effectively the same
Grid connection 3-phase 3-phase Same
Nominal AC voltage - 400 V Not published by Fronius International
Max AC current 18.0 A 24.0 A 6.0 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range - 200-1000 V Not published by Fronius International
Start voltage 200 V 250 V -50 V for Fronius Symo 15.0-3 480
MPP trackers - 2 Not published by Fronius International
Strings per tracker - 2 Not published by Fronius International
Max input current per tracker - 22.0 A Not published by Fronius International
Efficiency
European efficiency - 98.3 % Not published by Fronius International
Max efficiency 98.0 % 98.6 % +0.6 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 43.4 kg 24.0 kg -19.4 kg for SG15KTL-M
Weight per kW 2.9 kg/kW 1.6 kg/kW -1.3 kg/kW for SG15KTL-M
Dimensions 724x511x226 mm 485x370x210 mm 724x511x226 mm vs 485x370x210 mm
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
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

More useful comparisons

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9 differences, the largest is max input current per tracker
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.