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SOFAR 125KTLX-G4-A vs STP 125-70 (Sunny Tripower 125) 14 of 22 identical Swap Change inverters

SOFAR 125KTLX-G4-A vs SMA Solar STP 125-70 (Sunny Tripower 125)

SOFAR 125KTLX-G4-A
Sofar Solar
SOFAR 125KTLX-G4-A
125 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SMA Solar STP 125-70 (Sunny Tripower 125)
SMA Solar
STP 125-70 (Sunny Tripower 125)
125 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SOFAR 125KTLX-G4-A leads on the differences that matter

The largest is max input current per tracker: 10.0 A more headroom. 14 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
14 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 22 parameters
Parameter SOFAR 125KTLX-G4-A STP 125-70 (Sunny Tripower 125) Difference
Max input current per tracker 40.0 A 30.0 A 10.0 A more headroom
MPP trackers 10 12 2 trackers more
Weight 75.0 kg 96.0 kg 21.0 kg lighter
European efficiency 98.3 % 98.1 % 0.2 pp more efficient
Max AC current 190.0 A 181.1 A 8.9 A apart
Ingress protection IP66 IP65 IP66 vs IP65
Max efficiency 98.6 % 98.4 % 0.2 pp more efficient
Dimensions 695x970x325 mm 795x1020x360 mm 695x970x325 mm vs 795x1020x360 mm
02

Full specification

Parameter SOFAR 125KTLX-G4-A STP 125-70 (Sunny Tripower 125) Difference
AC output
Rated AC power 125.00 kW 125.00 kW Same
Max AC power 125.00 kW 125.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 190.0 A 181.1 A 8.9 A apart
PV input
Max PV power - 187.50 kW Not published by Sofar Solar
DC/AC ratio - 1.50 Not published by Sofar Solar
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 180-1000 V 180-1000 V Same
Start voltage 200 V 200 V Same
MPP trackers 10 12 +2 trackers for STP 125-70 (Sunny Tripower 125)
Strings per tracker 2 2 Same
Max input current per tracker 40.0 A 30.0 A +10.0 A for SOFAR 125KTLX-G4-A
Efficiency
European efficiency 98.3 % 98.1 % +0.2 pp for SOFAR 125KTLX-G4-A
Max efficiency 98.6 % 98.4 % +0.2 pp for SOFAR 125KTLX-G4-A
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 75.0 kg 96.0 kg -21.0 kg for SOFAR 125KTLX-G4-A
Weight per kW 0.6 kg/kW 0.8 kg/kW Effectively the same
Dimensions 695x970x325 mm 795x1020x360 mm 695x970x325 mm vs 795x1020x360 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling forced-air forced-air Same
Noise - 71 dB Not published by Sofar Solar
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 Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sofar Solar
03

More useful comparisons

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5 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.