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MAX 50KTL3 LV vs SG50CX 13 of 19 identical Swap Change inverters

Growatt MAX 50KTL3 LV vs Sungrow SG50CX

Growatt MAX 50KTL3 LV
Growatt
MAX 50KTL3 LV
50 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG50CX
Sungrow
SG50CX
50 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG50CX leads on the differences that matter

The largest is max ac power: 0.50 kW apart. 13 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
13 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 19 parameters
Parameter MAX 50KTL3 LV SG50CX Difference
Max AC power 55.50 kW 55.00 kW 0.50 kW apart
Weight 82.0 kg 62.0 kg 20.0 kg lighter
Max AC current 80.5 A 83.6 A 3.1 A apart
Weight per kW 1.6 kg/kW 1.2 kg/kW 0.4 kg/kW lighter
Ingress protection IP65 IP66 IP65 vs IP66
Dimensions 600x860x300 mm 645x782x310 mm 600x860x300 mm vs 645x782x310 mm
02

Full specification

Parameter MAX 50KTL3 LV SG50CX Difference
AC output
Rated AC power 50.00 kW 50.00 kW Same
Max AC power 55.50 kW 55.00 kW 0.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 80.5 A 83.6 A 3.1 A apart
PV input
Max PV power 75.00 kW - Not published by Sungrow
DC/AC ratio 1.50 - Not published by Sungrow
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 200-1000 V 200-1000 V Same
Start voltage 250 V 250 V Same
MPP trackers - - Neither datasheet publishes this
Strings per tracker 2 2 Same
Max input current per tracker 26.0 A 26.0 A Same
Efficiency
European efficiency 98.4 % 98.4 % Same
Max efficiency 98.8 % 98.7 % Effectively the 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 82.0 kg 62.0 kg -20.0 kg for SG50CX
Weight per kW 1.6 kg/kW 1.2 kg/kW -0.4 kg/kW for SG50CX
Dimensions 600x860x300 mm 645x782x310 mm 600x860x300 mm vs 645x782x310 mm
Ingress protection IP65 IP66 IP65 vs IP66
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 Sungrow
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by Sungrow
03

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Growatt MAX 50KTL3 LV vs Solis-50K-HV
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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.