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SE20KUS (KUS20SE) vs MID 20KTL3-X 6 of 17 identical Swap Change inverters

SolarEdge SE20KUS (KUS20SE) vs Growatt MID 20KTL3-X

SolarEdge SE20KUS (KUS20SE)
SolarEdge
SE20KUS (KUS20SE)
20 kW Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 20KTL3-X
Growatt
MID 20KTL3-X
20 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

11 differences, and they point both ways

The largest is warranty: 15 yrs longer. 6 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
6 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 17 parameters
Parameter SE20KUS (KUS20SE) MID 20KTL3-X Difference
Warranty 20 yrs 5 yrs 15 yrs longer
Max DC voltage 1000 V 1100 V 100 V apart
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Max PV power 27.00 kW 30.00 kW 3.00 kW apart
Weight 33.2 kg 23.0 kg 10.2 kg lighter
DC/AC ratio 1.35 1.50 0.15 more oversizing headroom
Weight per kW 1.7 kg/kW 1.1 kg/kW 0.5 kg/kW lighter
Nominal AC voltage 480 V 400 V 80 V apart
Max AC current 24.0 A 31.9 A 7.9 A apart
Ingress protection NEMA 3R IP65 NEMA 3R vs IP65
Dimensions 540x315x260 mm 395x525x222 mm 540x315x260 mm vs 395x525x222 mm
02

Full specification

Parameter SE20KUS (KUS20SE) MID 20KTL3-X Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 480 V 400 V 80 V apart
Max AC current 24.0 A 31.9 A 7.9 A apart
PV input
Max PV power 27.00 kW 30.00 kW 3.00 kW apart
DC/AC ratio 1.35 1.50 +0.15 for MID 20KTL3-X
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range - 200-1000 V Not published by SolarEdge
Start voltage - 250 V Not published by SolarEdge
MPP trackers - 2 Not published by SolarEdge
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency - 98.6 % Not published by SolarEdge
Max efficiency - 98.8 % Not published by SolarEdge
CEC efficiency 98.0 % - Not published by Growatt
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 33.2 kg 23.0 kg -10.2 kg for MID 20KTL3-X
Weight per kW 1.7 kg/kW 1.1 kg/kW -0.5 kg/kW for MID 20KTL3-X
Dimensions 540x315x260 mm 395x525x222 mm 540x315x260 mm vs 395x525x222 mm
Ingress protection NEMA 3R IP65 NEMA 3R vs IP65
Cooling forced-air forced-air Same
Noise 55 dB - Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by SolarEdge
Ethernet Yes Yes Same
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty 20 yrs 5 yrs +15 yrs for SE20KUS (KUS20SE)
03

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8 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.