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SE17.3KUS vs Symo Advanced 17.5-3-M 7 of 19 identical Swap Change inverters

SolarEdge SE17.3KUS vs Fronius International Symo Advanced 17.5-3-M

SolarEdge SE17.3KUS
SolarEdge
SE17.3KUS
17.3 kW Grid-tie
Open inverter page Datasheet PDF
VS
Fronius International Symo Advanced 17.5-3-M
Fronius International
Symo Advanced 17.5-3-M
17.5 kW 97.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SE17.3KUS leads on the differences that matter

The largest is rated ac power: 0.20 kW apart. 7 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
7 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 19 parameters
Parameter SE17.3KUS Symo Advanced 17.5-3-M Difference
Rated AC power 17.30 kW 17.50 kW 0.20 kW apart
Max DC voltage 600 V 1000 V 400 V apart
Max PV power 30.27 kW 26.30 kW 3.97 kW apart
DC/AC ratio 1.75 1.50 0.25 more oversizing headroom
Weight 35.5 kg 42.0 kg 6.5 kg lighter
Max AC power 17.30 kW 17.50 kW 0.20 kW apart
Nominal AC voltage 208 V 400 V 192 V apart
Max AC current 48.2 A 26.5 A 21.8 A apart
Weight per kW 2.1 kg/kW 2.4 kg/kW 0.3 kg/kW lighter
Ingress protection NEMA 3R IP66 NEMA 3R vs IP66
MPPT voltage range 370-600 V 200-800 V 370-600 V vs 200-800 V
Dimensions 808x317x300 mm 725x510x225 mm 808x317x300 mm vs 725x510x225 mm
02

Full specification

Parameter SE17.3KUS Symo Advanced 17.5-3-M Difference
AC output
Rated AC power 17.30 kW 17.50 kW 0.20 kW apart
Max AC power 17.30 kW 17.50 kW 0.20 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 208 V 400 V 192 V apart
Max AC current 48.2 A 26.5 A 21.8 A apart
PV input
Max PV power 30.27 kW 26.30 kW 3.97 kW apart
DC/AC ratio 1.75 1.50 +0.25 for SE17.3KUS
Max DC voltage 600 V 1000 V 400 V apart
MPPT voltage range 370-600 V 200-800 V 370-600 V vs 200-800 V
Start voltage - 200 V Not published by SolarEdge
MPP trackers - 2 Not published by SolarEdge
Strings per tracker - 3 Not published by SolarEdge
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency - 97.6 % Not published by SolarEdge
Max efficiency - 97.9 % Not published by SolarEdge
CEC efficiency 97.5 % - Not published by Fronius International
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 35.5 kg 42.0 kg -6.5 kg for SE17.3KUS
Weight per kW 2.1 kg/kW 2.4 kg/kW -0.3 kg/kW for SE17.3KUS
Dimensions 808x317x300 mm 725x510x225 mm 808x317x300 mm vs 725x510x225 mm
Ingress protection NEMA 3R IP66 NEMA 3R vs IP66
Cooling forced-air forced-air Same
Noise 62 dB - Not published by Fronius International
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
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.