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SOFAR 33KTLX-G3 vs SG33CX 10 of 19 identical Swap Change inverters

SOFAR 33KTLX-G3 vs Sungrow SG33CX

SOFAR 33KTLX-G3
Sofar Solar
SOFAR 33KTLX-G3
33 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG33CX
Sungrow
SG33CX
33 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SOFAR 33KTLX-G3 leads on the differences that matter

The largest is max input current per tracker: 14.0 A more headroom. 10 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
10 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 19 parameters
Parameter SOFAR 33KTLX-G3 SG33CX Difference
Max input current per tracker 40.0 A 26.0 A 14.0 A more headroom
Max AC power 37.00 kW 36.30 kW 0.70 kW apart
Weight 36.0 kg 50.0 kg 14.0 kg lighter
Weight per kW 1.1 kg/kW 1.5 kg/kW 0.4 kg/kW lighter
Start voltage 200 V 250 V 50 V earlier start
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 180-1000 V 200-1000 V 180-1000 V vs 200-1000 V
Max AC current 56.0 A 55.2 A 0.8 A apart
Dimensions 480x585x220 mm 595x702x310 mm 480x585x220 mm vs 595x702x310 mm
02

Full specification

Parameter SOFAR 33KTLX-G3 SG33CX Difference
AC output
Rated AC power 33.00 kW 33.00 kW Same
Max AC power 37.00 kW 36.30 kW 0.70 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 56.0 A 55.2 A 0.8 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 180-1000 V 200-1000 V 180-1000 V vs 200-1000 V
Start voltage 200 V 250 V -50 V for SOFAR 33KTLX-G3
MPP trackers - - Neither datasheet publishes this
Strings per tracker 2 2 Same
Max input current per tracker 40.0 A 26.0 A +14.0 A for SOFAR 33KTLX-G3
Efficiency
European efficiency 98.2 % 98.3 % Effectively the same
Max efficiency 98.6 % 98.6 % 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 36.0 kg 50.0 kg -14.0 kg for SOFAR 33KTLX-G3
Weight per kW 1.1 kg/kW 1.5 kg/kW -0.4 kg/kW for SOFAR 33KTLX-G3
Dimensions 480x585x220 mm 595x702x310 mm 480x585x220 mm vs 595x702x310 mm
Ingress protection IP65 IP66 IP65 vs IP66
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 - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
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.