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

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

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

Full specification

Parameter MID 40KTL3-X SOFAR 40KTLX-G4-LV 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 220 V 180 V apart
Max AC current 66.6 A 115.5 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 1100 V 900 V 200 V apart
MPPT voltage range 200-1000 V 180-800 V 200-1000 V vs 180-800 V
Start voltage 250 V 200 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 26.0 A 40.0 A +14.0 A for SOFAR 40KTLX-G4-LV
Efficiency
European efficiency 98.5 % 98.0 % +0.5 pp for MID 40KTL3-X
Max efficiency 98.8 % 98.5 % +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 30.5 kg 75.0 kg -44.5 kg for MID 40KTL3-X
Weight per kW 0.8 kg/kW 1.9 kg/kW -1.1 kg/kW for MID 40KTL3-X
Dimensions 435x580x230 mm 695x970x325 mm 435x580x230 mm vs 695x970x325 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.