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SG50CX-P2 vs MAX 50KTL3 LV 10 of 22 identical Swap Change inverters

Sungrow SG50CX-P2 vs Growatt MAX 50KTL3 LV

Sungrow SG50CX-P2
Sungrow
SG50CX-P2
50 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MAX 50KTL3 LV
Growatt
MAX 50KTL3 LV
50 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG50CX-P2 leads on the differences that matter

The largest is max input current per tracker: 4.0 A more headroom. 10 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
10 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 22 parameters
Parameter SG50CX-P2 MAX 50KTL3 LV Difference
Max input current per tracker 30.0 A 26.0 A 4.0 A more headroom
Max AC power 55.00 kW 55.50 kW 0.50 kW apart
Max PV power 70.00 kW 75.00 kW 5.00 kW apart
Weight 41.0 kg 82.0 kg 41.0 kg lighter
Weight per kW 0.8 kg/kW 1.6 kg/kW 0.8 kg/kW lighter
Max efficiency 98.5 % 98.8 % 0.3 pp more efficient
DC/AC ratio 1.40 1.50 0.10 more oversizing headroom
Max AC current 83.6 A 80.5 A 3.1 A apart
Start voltage 200 V 250 V 50 V earlier start
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 160-1000 V 200-1000 V 160-1000 V vs 200-1000 V
Dimensions 575x645x245 mm 600x860x300 mm 575x645x245 mm vs 600x860x300 mm
02

Full specification

Parameter SG50CX-P2 MAX 50KTL3 LV Difference
AC output
Rated AC power 50.00 kW 50.00 kW Same
Max AC power 55.00 kW 55.50 kW 0.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 83.6 A 80.5 A 3.1 A apart
PV input
Max PV power 70.00 kW 75.00 kW 5.00 kW apart
DC/AC ratio 1.40 1.50 +0.10 for MAX 50KTL3 LV
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 160-1000 V 200-1000 V 160-1000 V vs 200-1000 V
Start voltage 200 V 250 V -50 V for SG50CX-P2
MPP trackers 4 - Not published by Growatt
Strings per tracker 2 2 Same
Max input current per tracker 30.0 A 26.0 A +4.0 A for SG50CX-P2
Efficiency
European efficiency 98.3 % 98.4 % Effectively the same
Max efficiency 98.5 % 98.8 % +0.3 pp for MAX 50KTL3 LV
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 41.0 kg 82.0 kg -41.0 kg for SG50CX-P2
Weight per kW 0.8 kg/kW 1.6 kg/kW -0.8 kg/kW for SG50CX-P2
Dimensions 575x645x245 mm 600x860x300 mm 575x645x245 mm vs 600x860x300 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 Growatt
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sungrow
03

More useful comparisons

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6 differences, the largest is max ac power
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.