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SG40CX-P2 vs SUN2000-40KTL-NH 10 of 18 identical Swap Change inverters

Sungrow SG40CX-P2 vs Huawei SUN2000-40KTL-NH

Sungrow SG40CX-P2
Sungrow
SG40CX-P2
40 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Huawei
SUN2000-40KTL-NH
40 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

SG40CX-P2 leads on the differences that matter

The largest is max input current per tracker: 4.0 A more headroom. 10 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
10 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 18 parameters
Parameter SG40CX-P2 SUN2000-40KTL-NH Difference
Max input current per tracker 30.0 A 26.0 A 4.0 A more headroom
Max AC power 44.00 kW 46.00 kW 2.00 kW apart
Weight 40.0 kg 43.0 kg 3.0 kg lighter
Max efficiency 98.5 % 98.8 % 0.3 pp more efficient
Max AC current 66.9 A 52.5 A 14.4 A apart
MPPT voltage range 160-1000 V 200-1000 V 160-1000 V vs 200-1000 V
Dimensions 575x645x245 mm 530x681x270 mm 575x645x245 mm vs 530x681x270 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter SG40CX-P2 SUN2000-40KTL-NH Difference
AC output
Rated AC power 40.00 kW 40.00 kW Same
Max AC power 44.00 kW 46.00 kW 2.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V - Not published by Huawei
Max AC current 66.9 A 52.5 A 14.4 A apart
PV input
Max PV power 56.00 kW - Not published by Huawei
DC/AC ratio 1.40 - Not published by Huawei
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 200 V Same
MPP trackers 4 4 Same
Strings per tracker 2 2 Same
Max input current per tracker 30.0 A 26.0 A +4.0 A for SG40CX-P2
Efficiency
European efficiency 98.3 % - Not published by Huawei
Max efficiency 98.5 % 98.8 % +0.3 pp for SUN2000-40KTL-NH
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 43.0 kg -3.0 kg for SG40CX-P2
Weight per kW 1.0 kg/kW 1.1 kg/kW Effectively the same
Dimensions 575x645x245 mm 530x681x270 mm 575x645x245 mm vs 530x681x270 mm
Ingress protection IP66 IP66 Same
Cooling forced-air natural forced-air vs natural
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by Huawei
Ethernet Yes - Not published by Huawei
Arc fault protection Yes Yes Same
Integrated DC switch Yes - Not published by Huawei
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.