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SOFAR 40KTLX-G4-LV vs MID 40KTL3-X 12 of 23 identical Swap Change inverters

SOFAR 40KTLX-G4-LV vs Growatt MID 40KTL3-X

SOFAR 40KTLX-G4-LV
Sofar Solar
SOFAR 40KTLX-G4-LV
40 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 40KTL3-X
Growatt
MID 40KTL3-X
40 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

MID 40KTL3-X leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 12 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
12 of 23 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 23 parameters
Parameter SOFAR 40KTLX-G4-LV MID 40KTL3-X Difference
European efficiency 98.0 % 98.5 % 0.5 pp more efficient
Max DC voltage 900 V 1100 V 200 V apart
Max input current per tracker 40.0 A 26.0 A 14.0 A more headroom
Weight 75.0 kg 30.5 kg 44.5 kg lighter
Weight per kW 1.9 kg/kW 0.8 kg/kW 1.1 kg/kW lighter
Max efficiency 98.5 % 98.8 % 0.3 pp more efficient
Nominal AC voltage 220 V 400 V 180 V apart
Max AC current 115.5 A 66.6 A 48.9 A apart
Start voltage 200 V 250 V 50 V earlier start
MPPT voltage range 180-800 V 200-1000 V 180-800 V vs 200-1000 V
Dimensions 695x970x325 mm 435x580x230 mm 695x970x325 mm vs 435x580x230 mm
02

Full specification

Parameter SOFAR 40KTLX-G4-LV MID 40KTL3-X Difference
AC output
Rated AC power 40.00 kW 40.00 kW Same
Max AC power 44.00 kW 44.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 220 V 400 V 180 V apart
Max AC current 115.5 A 66.6 A 48.9 A apart
PV input
Max PV power 60.00 kW 60.00 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 900 V 1100 V 200 V apart
MPPT voltage range 180-800 V 200-1000 V 180-800 V vs 200-1000 V
Start voltage 200 V 250 V -50 V for SOFAR 40KTLX-G4-LV
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 40KTLX-G4-LV
Efficiency
European efficiency 98.0 % 98.5 % +0.5 pp for MID 40KTL3-X
Max efficiency 98.5 % 98.8 % +0.3 pp for MID 40KTL3-X
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 30.5 kg -44.5 kg for MID 40KTL3-X
Weight per kW 1.9 kg/kW 0.8 kg/kW -1.1 kg/kW for MID 40KTL3-X
Dimensions 695x970x325 mm 435x580x230 mm 695x970x325 mm vs 435x580x230 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 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

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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.