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SUN-40K-G03 vs MID 40KTL3-X 10 of 22 identical Swap Change inverters

Deye SUN-40K-G03 vs Growatt MID 40KTL3-X

Deye SUN-40K-G03
Deye
SUN-40K-G03
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. 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 SUN-40K-G03 MID 40KTL3-X Difference
European efficiency 98.0 % 98.5 % 0.5 pp more efficient
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 40.0 A 26.0 A 14.0 A more headroom
Max PV power 52.00 kW 60.00 kW 8.00 kW apart
Weight 44.5 kg 30.5 kg 14.0 kg lighter
DC/AC ratio 1.30 1.50 0.20 more oversizing headroom
Max AC current 63.8 A 66.6 A 2.8 A apart
Max operating temperature 65 °C 60 °C 5 °C more heat tolerant
Weight per kW 1.1 kg/kW 0.8 kg/kW 0.3 kg/kW lighter
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 200-850 V 200-1000 V 200-850 V vs 200-1000 V
Dimensions 537x648x304 mm 435x580x230 mm 537x648x304 mm vs 435x580x230 mm
02

Full specification

Parameter SUN-40K-G03 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 63.8 A 66.6 A 2.8 A apart
PV input
Max PV power 52.00 kW 60.00 kW 8.00 kW apart
DC/AC ratio 1.30 1.50 +0.20 for MID 40KTL3-X
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 200-850 V 200-1000 V 200-850 V vs 200-1000 V
Start voltage 250 V 250 V Same
MPP trackers 4 - Not published by Growatt
Strings per tracker - 2 Not published by Deye
Max input current per tracker 40.0 A 26.0 A +14.0 A for SUN-40K-G03
Efficiency
European efficiency 98.0 % 98.5 % +0.5 pp for MID 40KTL3-X
Max efficiency 98.7 % 98.8 % Effectively the 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 44.5 kg 30.5 kg -14.0 kg for MID 40KTL3-X
Weight per kW 1.1 kg/kW 0.8 kg/kW -0.3 kg/kW for MID 40KTL3-X
Dimensions 537x648x304 mm 435x580x230 mm 537x648x304 mm vs 435x580x230 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise 45 dB - Not published by Growatt
Max operating temperature 65 °C 60 °C +5 °C for SUN-40K-G03
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection - Yes Not published by Deye
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Deye
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.