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124KTL3-X2 MV vs 120KTL3-X2 LV 15 of 21 identical Swap Change inverters

Growatt MAX 124KTL3-X2 MV vs Growatt MAX 120KTL3-X2 LV

Growatt MAX 124KTL3-X2 MV
Growatt
MAX 124KTL3-X2 MV
124 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MAX 120KTL3-X2 LV
Growatt
MAX 120KTL3-X2 LV
120 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

124KTL3-X2 MV leads on the differences that matter

The largest is rated ac power: 4.00 kW apart. 15 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
15 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 21 parameters
Parameter 124KTL3-X2 MV 120KTL3-X2 LV Difference
Rated AC power 124.00 kW 120.00 kW 4.00 kW apart
Max AC power 124.00 kW 120.00 kW 4.00 kW apart
Max efficiency 99.0 % 98.7 % 0.3 pp more efficient
Nominal AC voltage 480 V 400 V 80 V apart
Max AC current 164.1 A 190.5 A 26.4 A apart
MPPT voltage range 180-1000 V 200-1000 V 180-1000 V vs 200-1000 V
02

Full specification

Parameter 124KTL3-X2 MV 120KTL3-X2 LV Difference
AC output
Rated AC power 124.00 kW 120.00 kW 4.00 kW apart
Max AC power 124.00 kW 120.00 kW 4.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 480 V 400 V 80 V apart
Max AC current 164.1 A 190.5 A 26.4 A apart
PV input
Max PV power 186.00 kW - Not published by Growatt
DC/AC ratio 1.50 - Not published by Growatt
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 180-1000 V 200-1000 V 180-1000 V vs 200-1000 V
Start voltage 195 V 200 V Effectively the same
MPP trackers 8 8 Same
Strings per tracker 2 2 Same
Max input current per tracker 45.0 A 45.0 A Same
Efficiency
European efficiency 98.5 % - Not published by Growatt
Max efficiency 99.0 % 98.7 % +0.3 pp for 124KTL3-X2 MV
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 84.0 kg 84.0 kg Same
Weight per kW 0.7 kg/kW 0.7 kg/kW Same
Dimensions 640x970x345 mm 640x970x345 mm Same
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 - - Neither datasheet publishes this
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs 5 yrs Same
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.