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SG12RT-20 vs SUN2000-12KTL-M5 9 of 20 identical Swap Change inverters

Sungrow SG12RT-20 vs Huawei SUN2000-12KTL-M5

Sungrow SG12RT-20
Sungrow
SG12RT-20
12 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Huawei SUN2000-12KTL-M5
Huawei
SUN2000-12KTL-M5
12 kW 97.9 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG12RT-20 leads on the differences that matter

The largest is max input current per tracker: 5.0 A more headroom. 9 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
9 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 20 parameters
Parameter SG12RT-20 SUN2000-12KTL-M5 Difference
Max input current per tracker 25.0 A 30.0 A 5.0 A more headroom
Weight 17.0 kg 21.0 kg 4.0 kg lighter
European efficiency 98.1 % 97.9 % 0.2 pp more efficient
Weight per kW 1.4 kg/kW 1.8 kg/kW 0.3 kg/kW lighter
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 160-1000 V 200-800 V 160-1000 V vs 200-800 V
Start voltage 180 V 200 V 20 V earlier start
Max AC current 20.0 A 19.3 A 0.7 A apart
Strings per tracker 1 2 1 string apart
Dimensions 480x370x195 mm 470x525x166 mm 480x370x195 mm vs 470x525x166 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter SG12RT-20 SUN2000-12KTL-M5 Difference
AC output
Rated AC power 12.00 kW 12.00 kW Same
Max AC power 12.00 kW 12.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 20.0 A 19.3 A 0.7 A apart
PV input
Max PV power - 18.00 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 160-1000 V 200-800 V 160-1000 V vs 200-800 V
Start voltage 180 V 200 V -20 V for SG12RT-20
MPP trackers 2 2 Same
Strings per tracker 1 2 1 string apart
Max input current per tracker 25.0 A 30.0 A +5.0 A for SUN2000-12KTL-M5
Efficiency
European efficiency 98.1 % 97.9 % +0.2 pp for SG12RT-20
Max efficiency 98.5 % 98.4 % 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 17.0 kg 21.0 kg -4.0 kg for SG12RT-20
Weight per kW 1.4 kg/kW 1.8 kg/kW -0.3 kg/kW for SG12RT-20
Dimensions 480x370x195 mm 470x525x166 mm 480x370x195 mm vs 470x525x166 mm
Ingress protection IP65 IP66 IP65 vs IP66
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 - - Neither datasheet publishes this
Ethernet - - Neither datasheet publishes this
Arc fault protection - Yes Not published by Sungrow
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.