Skip to main content
MOD 12KTL3-X vs STP 12-50 (Sunny Tripower X 12) 13 of 26 identical Swap Change inverters

Growatt MOD 12KTL3-X vs SMA Solar STP 12-50 (Sunny Tripower X 12)

Growatt MOD 12KTL3-X
Growatt
MOD 12KTL3-X
12 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SMA Solar STP 12-50 (Sunny Tripower X 12)
SMA Solar
STP 12-50 (Sunny Tripower X 12)
12 kW 97.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

MOD 12KTL3-X leads on the differences that matter

The largest is european efficiency: 0.6 pp more efficient. 13 of 26 comparable parameters are identical, with 6 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
13 of 26 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 26 parameters
Parameter MOD 12KTL3-X STP 12-50 (Sunny Tripower X 12) Difference
European efficiency 98.2 % 97.6 % 0.6 pp more efficient
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 26.0 A 24.0 A 2.0 A more headroom
Weight 14.0 kg 35.0 kg 21.0 kg lighter
Weight per kW 1.2 kg/kW 2.9 kg/kW 1.7 kg/kW lighter
Max efficiency 98.6 % 98.2 % 0.4 pp more efficient
Nominal AC voltage 400 V 230 V 170 V apart
MPP trackers 2 3 1 tracker more
Ingress protection IP66 IP65 IP66 vs IP65
Start voltage 160 V 188 V 28 V earlier start
MPPT voltage range 140-1000 V 150-1000 V 140-1000 V vs 150-1000 V
Dimensions 387x425x178 mm 762x728x266 mm 387x425x178 mm vs 762x728x266 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter MOD 12KTL3-X STP 12-50 (Sunny Tripower X 12) Difference
AC output
Rated AC power 12.00 kW 12.00 kW Same
Max AC power 12.00 kW 12.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 20.0 A 20.0 A Same
PV input
Max PV power 18.00 kW 18.00 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 140-1000 V 150-1000 V 140-1000 V vs 150-1000 V
Start voltage 160 V 188 V -28 V for MOD 12KTL3-X
MPP trackers 2 3 +1 trackers for STP 12-50 (Sunny Tripower X 12)
Strings per tracker 2 2 Same
Max input current per tracker 26.0 A 24.0 A +2.0 A for MOD 12KTL3-X
Efficiency
European efficiency 98.2 % 97.6 % +0.6 pp for MOD 12KTL3-X
Max efficiency 98.6 % 98.2 % +0.4 pp for MOD 12KTL3-X
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 14.0 kg 35.0 kg -21.0 kg for MOD 12KTL3-X
Weight per kW 1.2 kg/kW 2.9 kg/kW -1.7 kg/kW for MOD 12KTL3-X
Dimensions 387x425x178 mm 762x728x266 mm 387x425x178 mm vs 762x728x266 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling natural forced-air natural vs forced-air
Noise - 59 dB Not published by Growatt
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 5 yrs Same
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Growatt MOD 12KTL3-X vs Growatt MOD 12KTL3-X2(Pro)
4 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Growatt MOD 12KTL3-X vs Sungrow SG12KTL-M
8 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Growatt MOD 12KTL3-X vs Sungrow SG12RT-20
9 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.