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SG12KTL-M vs SG12RT-P2 14 of 20 identical Swap Change inverters

Sungrow SG12KTL-M vs Sungrow SG12RT-P2

Sungrow
SG12KTL-M
12 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG12RT-P2
Sungrow
SG12RT-P2
12 kW 97.9 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG12RT-P2 leads on the differences that matter

The largest is max input current per tracker: 21.0 A more headroom. 14 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
14 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 20 parameters
Parameter SG12KTL-M SG12RT-P2 Difference
Max input current per tracker 11.0 A 32.0 A 21.0 A more headroom
Weight 20.0 kg 18.0 kg 2.0 kg lighter
European efficiency 98.1 % 97.9 % 0.2 pp more efficient
Start voltage 250 V 180 V 70 V earlier start
MPPT voltage range 200-1000 V 160-1000 V 200-1000 V vs 160-1000 V
Dimensions 485x370x160 mm 480x370x195 mm 485x370x160 mm vs 480x370x195 mm
02

Full specification

Parameter SG12KTL-M SG12RT-P2 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 20.0 A Same
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 200-1000 V 160-1000 V 200-1000 V vs 160-1000 V
Start voltage 250 V 180 V -70 V for SG12RT-P2
MPP trackers 2 2 Same
Strings per tracker 1 1 Same
Max input current per tracker 11.0 A 32.0 A +21.0 A for SG12RT-P2
Efficiency
European efficiency 98.1 % 97.9 % +0.2 pp for SG12KTL-M
Max efficiency 98.6 % 98.5 % 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 20.0 kg 18.0 kg -2.0 kg for SG12RT-P2
Weight per kW 1.7 kg/kW 1.5 kg/kW Effectively the same
Dimensions 485x370x160 mm 480x370x195 mm 485x370x160 mm vs 480x370x195 mm
Ingress protection IP65 IP65 Same
Cooling natural natural 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 - Yes Not published by Sungrow
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.