Skip to main content
MID 40KTL3-X vs SUN-40K-G-LV 9 of 23 identical Swap Change inverters

Growatt MID 40KTL3-X vs Deye SUN-40K-G-LV

Growatt MID 40KTL3-X
Growatt
MID 40KTL3-X
40 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Deye
SUN-40K-G-LV
40 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

MID 40KTL3-X leads on the differences that matter

The largest is max dc voltage: 300 V apart. 9 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
9 of 23 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 23 parameters
Parameter MID 40KTL3-X SUN-40K-G-LV Difference
Max DC voltage 1100 V 800 V 300 V apart
Max input current per tracker 26.0 A 40.0 A 14.0 A more headroom
Max PV power 60.00 kW 52.00 kW 8.00 kW apart
Weight 30.5 kg 60.0 kg 29.5 kg lighter
DC/AC ratio 1.50 1.30 0.20 more oversizing headroom
Weight per kW 0.8 kg/kW 1.5 kg/kW 0.7 kg/kW lighter
European efficiency 98.5 % 98.3 % 0.2 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
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 200-1000 V 200-700 V 200-1000 V vs 200-700 V
Strings per tracker 2 1 1 string apart
Dimensions 435x580x230 mm 575x700x297 mm 435x580x230 mm vs 575x700x297 mm
02

Full specification

Parameter MID 40KTL3-X SUN-40K-G-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 52.00 kW 8.00 kW apart
DC/AC ratio 1.50 1.30 +0.20 for MID 40KTL3-X
Max DC voltage 1100 V 800 V 300 V apart
MPPT voltage range 200-1000 V 200-700 V 200-1000 V vs 200-700 V
Start voltage 250 V 250 V Same
MPP trackers - 4 Not published by Growatt
Strings per tracker 2 1 1 string apart
Max input current per tracker 26.0 A 40.0 A +14.0 A for SUN-40K-G-LV
Efficiency
European efficiency 98.5 % 98.3 % +0.2 pp for MID 40KTL3-X
Max efficiency 98.8 % 98.7 % 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 30.5 kg 60.0 kg -29.5 kg for MID 40KTL3-X
Weight per kW 0.8 kg/kW 1.5 kg/kW -0.7 kg/kW for MID 40KTL3-X
Dimensions 435x580x230 mm 575x700x297 mm 435x580x230 mm vs 575x700x297 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling forced-air forced-air Same
Noise - 55 dB Not published by Growatt
Max operating temperature 60 °C 65 °C +5 °C for SUN-40K-G-LV
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

More useful comparisons

Open all inverters
Same type, similar size
Huawei
Growatt MID 40KTL3-X vs Huawei SUN2000-40KTL-M3
7 differences, the largest is max ac power
Same type, similar size
Ginlong Solis
Growatt MID 40KTL3-X vs Solis-40K
7 differences, the largest is max pv power
Same type, similar size
Sungrow
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.