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MID 33KTL3-X vs SOFAR 33KTLX-G3 10 of 20 identical Swap Change inverters

Growatt MID 33KTL3-X vs SOFAR 33KTLX-G3

Growatt MID 33KTL3-X
Growatt
MID 33KTL3-X
33 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SOFAR 33KTLX-G3
Sofar Solar
SOFAR 33KTLX-G3
33 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

10 differences, and they point both ways

The largest is max input current per tracker: 14.0 A more headroom. 10 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
10 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 20 parameters
Parameter MID 33KTL3-X SOFAR 33KTLX-G3 Difference
Max input current per tracker 26.0 A 40.0 A 14.0 A more headroom
Max AC power 36.60 kW 37.00 kW 0.40 kW apart
Weight 29.5 kg 36.0 kg 6.5 kg lighter
European efficiency 98.5 % 98.2 % 0.3 pp more efficient
Start voltage 250 V 200 V 50 V earlier start
Max efficiency 98.8 % 98.6 % 0.2 pp more efficient
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 200-1000 V 180-1000 V 200-1000 V vs 180-1000 V
Max AC current 55.5 A 56.0 A 0.5 A apart
Dimensions 435x580x230 mm 480x585x220 mm 435x580x230 mm vs 480x585x220 mm
02

Full specification

Parameter MID 33KTL3-X SOFAR 33KTLX-G3 Difference
AC output
Rated AC power 33.00 kW 33.00 kW Same
Max AC power 36.60 kW 37.00 kW 0.40 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 55.5 A 56.0 A 0.5 A apart
PV input
Max PV power 49.50 kW - Not published by Sofar Solar
DC/AC ratio 1.50 - Not published by Sofar Solar
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 200-1000 V 180-1000 V 200-1000 V vs 180-1000 V
Start voltage 250 V 200 V -50 V for SOFAR 33KTLX-G3
MPP trackers - - Neither datasheet publishes this
Strings per tracker 2 2 Same
Max input current per tracker 26.0 A 40.0 A +14.0 A for SOFAR 33KTLX-G3
Efficiency
European efficiency 98.5 % 98.2 % +0.3 pp for MID 33KTL3-X
Max efficiency 98.8 % 98.6 % +0.2 pp for MID 33KTL3-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 29.5 kg 36.0 kg -6.5 kg for MID 33KTL3-X
Weight per kW 0.9 kg/kW 1.1 kg/kW Effectively the same
Dimensions 435x580x230 mm 480x585x220 mm 435x580x230 mm vs 480x585x220 mm
Ingress protection IP66 IP65 IP66 vs IP65
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 - Not published by Sofar Solar
Arc fault protection Yes - Not published by Sofar Solar
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by Sofar Solar
03

More useful comparisons

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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.