Skip to main content
SG250HX-20 vs SOFAR 255KTL-HV 12 of 20 identical Swap Change inverters

Sungrow SG250HX-20 vs SOFAR 255KTL-HV

Sungrow SG250HX-20
Sungrow
SG250HX-20
250 kW 98.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SOFAR 255KTL-HV
Sofar Solar
SOFAR 255KTL-HV
255 kW 98.7 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SOFAR 255KTL-HV leads on the differences that matter

The largest is rated ac power: 5.00 kW apart. 12 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
12 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 20 parameters
Parameter SG250HX-20 SOFAR 255KTL-HV Difference
Rated AC power 250.00 kW 255.00 kW 5.00 kW apart
MPP trackers 6 12 6 trackers more
Max input current per tracker 65.0 A 30.0 A 35.0 A more headroom
Max AC power 250.00 kW 255.00 kW 5.00 kW apart
Weight 106.0 kg 99.0 kg 7.0 kg lighter
Max AC current 198.5 A 184.0 A 14.5 A apart
Strings per tracker 4 2 2 strings apart
Dimensions 779x1148x371 mm 714x1100x368 mm 779x1148x371 mm vs 714x1100x368 mm
02

Full specification

Parameter SG250HX-20 SOFAR 255KTL-HV Difference
AC output
Rated AC power 250.00 kW 255.00 kW 5.00 kW apart
Max AC power 250.00 kW 255.00 kW 5.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 800 V 800 V Same
Max AC current 198.5 A 184.0 A 14.5 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1500 V 1500 V Same
MPPT voltage range 500-1500 V 500-1500 V Same
Start voltage 550 V 550 V Same
MPP trackers 6 12 +6 trackers for SOFAR 255KTL-HV
Strings per tracker 4 2 2 strings apart
Max input current per tracker 65.0 A 30.0 A +35.0 A for SG250HX-20
Efficiency
European efficiency 98.8 % 98.7 % Effectively the same
Max efficiency 99.0 % 99.0 % Same
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 106.0 kg 99.0 kg -7.0 kg for SOFAR 255KTL-HV
Weight per kW 0.4 kg/kW 0.4 kg/kW Same
Dimensions 779x1148x371 mm 714x1100x368 mm 779x1148x371 mm vs 714x1100x368 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - - Neither datasheet publishes this
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Sofar Solar
Sungrow SG250HX-20 vs SOFAR 250KTLX0
4 differences, the largest is max input current per tracker
Same type, similar size
Growatt
Sungrow SG250HX-20 vs Growatt MAX 250KTL3-X HV
6 differences, the largest is max input current per tracker
Same type, similar size
Growatt
Sungrow SG250HX-20 vs Growatt MAX 253KTL3-X HV
9 differences, the largest is rated ac power
Same type, similar size
Ginlong Solis
SOFAR 255KTL-HV vs Solis-255K-EHV-5G-PLUS
4 differences, the largest is weight
04

Written summary

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