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SOFAR 330KTLX0 vs MAX 333K-X 10 of 19 identical Swap Change inverters

SOFAR 330KTLX0 vs Growatt MAX 333K-X

SOFAR 330KTLX0
Sofar Solar
SOFAR 330KTLX0
330 kW 98.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MAX 333K-X
Growatt
MAX 333K-X
333 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

9 differences, and they point both ways

The largest is rated ac power: 3.00 kW apart. 10 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
10 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 19 parameters
Parameter SOFAR 330KTLX0 MAX 333K-X Difference
Rated AC power 330.00 kW 333.00 kW 3.00 kW apart
Max input current per tracker 60.0 A 80.0 A 20.0 A more headroom
Max AC power 330.00 kW 366.30 kW 36.30 kW apart
Weight 113.0 kg 126.0 kg 13.0 kg lighter
European efficiency 98.8 % 98.5 % 0.3 pp more efficient
Max AC current 238.2 A 240.3 A 2.1 A apart
Start voltage 550 V 500 V 50 V earlier start
Strings per tracker 4 5 1 string apart
Dimensions 828x1159x366 mm 790x1145x371 mm 828x1159x366 mm vs 790x1145x371 mm
02

Full specification

Parameter SOFAR 330KTLX0 MAX 333K-X Difference
AC output
Rated AC power 330.00 kW 333.00 kW 3.00 kW apart
Max AC power 330.00 kW 366.30 kW 36.30 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 800 V 800 V Same
Max AC current 238.2 A 240.3 A 2.1 A apart
PV input
Max PV power - 499.50 kW Not published by Sofar Solar
DC/AC ratio - 1.50 Not published by Sofar Solar
Max DC voltage 1500 V 1500 V Same
MPPT voltage range 500-1500 V 500-1500 V Same
Start voltage 550 V 500 V -50 V for MAX 333K-X
MPP trackers - 6 Not published by Sofar Solar
Strings per tracker 4 5 1 string apart
Max input current per tracker 60.0 A 80.0 A +20.0 A for MAX 333K-X
Efficiency
European efficiency 98.8 % 98.5 % +0.3 pp for SOFAR 330KTLX0
Max efficiency 99.0 % 99.0 % 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 113.0 kg 126.0 kg -13.0 kg for SOFAR 330KTLX0
Weight per kW 0.3 kg/kW 0.4 kg/kW Effectively the same
Dimensions 828x1159x366 mm 790x1145x371 mm 828x1159x366 mm vs 790x1145x371 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 Not published by Sofar Solar
Ethernet - - Neither datasheet publishes this
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

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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.