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SOFAR 40KTLX-G3 vs MID 40KTL3-X 13 of 20 identical Swap Change inverters

SOFAR 40KTLX-G3 vs Growatt MID 40KTL3-X

SOFAR 40KTLX-G3
Sofar Solar
SOFAR 40KTLX-G3
40 kW 98.2 % 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

7 differences, and they point both ways

The largest is max input current per tracker: 14.0 A more headroom. 13 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
13 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 20 parameters
Parameter SOFAR 40KTLX-G3 MID 40KTL3-X Difference
Max input current per tracker 40.0 A 26.0 A 14.0 A more headroom
Weight 37.0 kg 30.5 kg 6.5 kg lighter
European efficiency 98.2 % 98.5 % 0.3 pp more efficient
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
Dimensions 480x585x220 mm 435x580x230 mm 480x585x220 mm vs 435x580x230 mm
02

Full specification

Parameter SOFAR 40KTLX-G3 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 400 V 400 V Same
Max AC current 66.7 A 66.6 A Effectively the same
PV input
Max PV power - 60.00 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 200-1000 V 180-1000 V vs 200-1000 V
Start voltage 200 V 250 V -50 V for SOFAR 40KTLX-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 40KTLX-G3
Efficiency
European efficiency 98.2 % 98.5 % +0.3 pp for MID 40KTL3-X
Max efficiency 98.8 % 98.8 % 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 37.0 kg 30.5 kg -6.5 kg for MID 40KTL3-X
Weight per kW 0.9 kg/kW 0.8 kg/kW Effectively the same
Dimensions 480x585x220 mm 435x580x230 mm 480x585x220 mm vs 435x580x230 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 Yes Same
Ethernet - Yes Not published by Sofar Solar
Arc fault protection - Yes Not published by Sofar Solar
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sofar Solar
03

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5 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.