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MID 40KTL3-X vs SE40K 10 of 22 identical Swap Change inverters

Growatt MID 40KTL3-X vs SolarEdge SE40K

Growatt MID 40KTL3-X
Growatt
MID 40KTL3-X
40 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SolarEdge SE40K
SolarEdge
SE40K
40 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

12 differences, and they point both ways

The largest is warranty: 15 yrs longer. 10 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
10 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 22 parameters
Parameter MID 40KTL3-X SE40K Difference
Warranty 5 yrs 20 yrs 15 yrs longer
European efficiency 98.5 % 98.0 % 0.5 pp more efficient
Max DC voltage 1100 V 1000 V 100 V apart
Max efficiency 98.8 % 98.1 % 0.7 pp more efficient
Max AC power 44.00 kW 40.00 kW 4.00 kW apart
Max PV power 60.00 kW 70.00 kW 10.00 kW apart
DC/AC ratio 1.50 1.75 0.25 more oversizing headroom
Weight 30.5 kg 32.0 kg 1.5 kg lighter
Max AC current 66.6 A 48.2 A 18.3 A apart
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 200-1000 V 680-1000 V 200-1000 V vs 680-1000 V
Dimensions 435x580x230 mm 558x328x273 mm 435x580x230 mm vs 558x328x273 mm
02

Full specification

Parameter MID 40KTL3-X SE40K Difference
AC output
Rated AC power 40.00 kW 40.00 kW Same
Max AC power 44.00 kW 40.00 kW 4.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 66.6 A 48.2 A 18.3 A apart
PV input
Max PV power 60.00 kW 70.00 kW 10.00 kW apart
DC/AC ratio 1.50 1.75 +0.25 for SE40K
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 200-1000 V 680-1000 V 200-1000 V vs 680-1000 V
Start voltage 250 V - Not published by SolarEdge
MPP trackers - - Neither datasheet publishes this
Strings per tracker 2 - Not published by SolarEdge
Max input current per tracker 26.0 A - Not published by SolarEdge
Efficiency
European efficiency 98.5 % 98.0 % +0.5 pp for MID 40KTL3-X
Max efficiency 98.8 % 98.1 % +0.7 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 32.0 kg -1.5 kg for MID 40KTL3-X
Weight per kW 0.8 kg/kW 0.8 kg/kW Same
Dimensions 435x580x230 mm 558x328x273 mm 435x580x230 mm vs 558x328x273 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling forced-air forced-air Same
Noise - 62 dB Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs 20 yrs +15 yrs for SE40K
03

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Growatt MID 40KTL3-X vs Sungrow SG40CX-P2
10 differences, the largest is max input current per tracker
04

Written summary

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