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Fronius Tauro ECO 99-3-D (Direct) vs SG110CX 8 of 17 identical Swap Change inverters

Fronius Tauro ECO 99-3-D (Direct) vs Sungrow SG110CX

Fronius Tauro ECO 99-3-D (Direct)
Fronius International
Fronius Tauro ECO 99-3-D (Direct)
99.99 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG110CX
Sungrow
SG110CX
100 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG110CX leads on the differences that matter

The largest is max dc voltage: 100 V apart. 8 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
8 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 17 parameters
Parameter Fronius Tauro ECO 99-3-D (Direct) SG110CX Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max AC power 99.99 kW 110.00 kW 10.01 kW apart
Weight 103.0 kg 89.0 kg 14.0 kg lighter
European efficiency 98.2 % 98.5 % 0.3 pp more efficient
Max AC current 144.9 A 158.8 A 13.9 A apart
Max operating temperature 65 °C 60 °C 5 °C more heat tolerant
Max efficiency 98.5 % 98.7 % 0.2 pp more efficient
Ingress protection IP65 IP66 IP65 vs IP66
Dimensions 755x1109x346 mm 660x1051x362 mm 755x1109x346 mm vs 660x1051x362 mm
02

Full specification

Parameter Fronius Tauro ECO 99-3-D (Direct) SG110CX Difference
AC output
Rated AC power 99.99 kW 100.00 kW Effectively the same
Max AC power 99.99 kW 110.00 kW 10.01 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 144.9 A 158.8 A 13.9 A apart
PV input
Max PV power 150.00 kW - Not published by Sungrow
DC/AC ratio 1.50 - Not published by Sungrow
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range - 200-1000 V Not published by Fronius International
Start voltage - 250 V Not published by Fronius International
MPP trackers - 9 Not published by Fronius International
Strings per tracker - 2 Not published by Fronius International
Max input current per tracker - 26.0 A Not published by Fronius International
Efficiency
European efficiency 98.2 % 98.5 % +0.3 pp for SG110CX
Max efficiency 98.5 % 98.7 % +0.2 pp for SG110CX
CEC efficiency - - Neither datasheet publishes this
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 103.0 kg 89.0 kg -14.0 kg for SG110CX
Weight per kW 1.0 kg/kW 0.9 kg/kW Effectively the same
Dimensions 755x1109x346 mm 660x1051x362 mm 755x1109x346 mm vs 660x1051x362 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 65 °C 60 °C +5 °C for Fronius Tauro ECO 99-3-D (Direct)
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes - Not published by Sungrow
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.