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SG40CX-P2 vs SOFAR 40KTLX-G4-LV 12 of 23 identical Swap Change inverters

Sungrow SG40CX-P2 vs SOFAR 40KTLX-G4-LV

Sungrow SG40CX-P2
Sungrow
SG40CX-P2
40 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SOFAR 40KTLX-G4-LV
Sofar Solar
SOFAR 40KTLX-G4-LV
40 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

11 differences, and they point both ways

The largest is max dc voltage: 200 V apart. 12 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
12 of 23 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 23 parameters
Parameter SG40CX-P2 SOFAR 40KTLX-G4-LV Difference
Max DC voltage 1100 V 900 V 200 V apart
Max input current per tracker 30.0 A 40.0 A 10.0 A more headroom
Max PV power 56.00 kW 60.00 kW 4.00 kW apart
Weight 40.0 kg 75.0 kg 35.0 kg lighter
Weight per kW 1.0 kg/kW 1.9 kg/kW 0.9 kg/kW lighter
European efficiency 98.3 % 98.0 % 0.3 pp more efficient
DC/AC ratio 1.40 1.50 0.10 more oversizing headroom
Nominal AC voltage 400 V 220 V 180 V apart
Max AC current 66.9 A 115.5 A 48.6 A apart
MPPT voltage range 160-1000 V 180-800 V 160-1000 V vs 180-800 V
Dimensions 575x645x245 mm 695x970x325 mm 575x645x245 mm vs 695x970x325 mm
02

Full specification

Parameter SG40CX-P2 SOFAR 40KTLX-G4-LV Difference
AC output
Rated AC power 40.00 kW 40.00 kW Same
Max AC power 44.00 kW 44.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 220 V 180 V apart
Max AC current 66.9 A 115.5 A 48.6 A apart
PV input
Max PV power 56.00 kW 60.00 kW 4.00 kW apart
DC/AC ratio 1.40 1.50 +0.10 for SOFAR 40KTLX-G4-LV
Max DC voltage 1100 V 900 V 200 V apart
MPPT voltage range 160-1000 V 180-800 V 160-1000 V vs 180-800 V
Start voltage 200 V 200 V Same
MPP trackers 4 - Not published by Sofar Solar
Strings per tracker 2 2 Same
Max input current per tracker 30.0 A 40.0 A +10.0 A for SOFAR 40KTLX-G4-LV
Efficiency
European efficiency 98.3 % 98.0 % +0.3 pp for SG40CX-P2
Max efficiency 98.5 % 98.5 % 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 40.0 kg 75.0 kg -35.0 kg for SG40CX-P2
Weight per kW 1.0 kg/kW 1.9 kg/kW -0.9 kg/kW for SG40CX-P2
Dimensions 575x645x245 mm 695x970x325 mm 575x645x245 mm vs 695x970x325 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 Yes Same
Ethernet Yes - Not published by Sofar Solar
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
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.