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SG40CX-P2 vs MID 40KTL3-X2 14 of 23 identical Swap Change inverters

Sungrow SG40CX-P2 vs Growatt MID 40KTL3-X2

Sungrow SG40CX-P2
Sungrow
SG40CX-P2
40 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 40KTL3-X2
Growatt
MID 40KTL3-X2
40 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

MID 40KTL3-X2 leads on the differences that matter

The largest is max input current per tracker: 2.0 A more headroom. 14 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

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

What actually differs

9 of 23 parameters
Parameter SG40CX-P2 MID 40KTL3-X2 Difference
Max input current per tracker 30.0 A 32.0 A 2.0 A more headroom
Max AC power 44.00 kW 44.40 kW 0.40 kW apart
Max PV power 56.00 kW 60.00 kW 4.00 kW apart
Weight 40.0 kg 37.0 kg 3.0 kg lighter
Max efficiency 98.5 % 98.8 % 0.3 pp more efficient
DC/AC ratio 1.40 1.50 0.10 more oversizing headroom
Start voltage 200 V 250 V 50 V earlier start
MPPT voltage range 160-1000 V 200-1000 V 160-1000 V vs 200-1000 V
Dimensions 575x645x245 mm 435x580x230 mm 575x645x245 mm vs 435x580x230 mm
02

Full specification

Parameter SG40CX-P2 MID 40KTL3-X2 Difference
AC output
Rated AC power 40.00 kW 40.00 kW Same
Max AC power 44.00 kW 44.40 kW 0.40 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 66.9 A 67.3 A Effectively the same
PV input
Max PV power 56.00 kW 60.00 kW 4.00 kW apart
DC/AC ratio 1.40 1.50 +0.10 for MID 40KTL3-X2
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 160-1000 V 200-1000 V 160-1000 V vs 200-1000 V
Start voltage 200 V 250 V -50 V for SG40CX-P2
MPP trackers 4 - Not published by Growatt
Strings per tracker 2 2 Same
Max input current per tracker 30.0 A 32.0 A +2.0 A for MID 40KTL3-X2
Efficiency
European efficiency 98.3 % - Not published by Growatt
Max efficiency 98.5 % 98.8 % +0.3 pp for MID 40KTL3-X2
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 40.0 kg 37.0 kg -3.0 kg for MID 40KTL3-X2
Weight per kW 1.0 kg/kW 0.9 kg/kW Effectively the same
Dimensions 575x645x245 mm 435x580x230 mm 575x645x245 mm vs 435x580x230 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 Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sungrow
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.