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SG17RT vs MID 17KTL3-X 14 of 22 identical Swap Change inverters

Sungrow SG17RT vs Growatt MID 17KTL3-X

Sungrow SG17RT
Sungrow
SG17RT
17 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 17KTL3-X
Growatt
MID 17KTL3-X
17 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

8 differences, and they point both ways

The largest is european efficiency: 0.5 pp more efficient. 14 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
14 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 22 parameters
Parameter SG17RT MID 17KTL3-X Difference
European efficiency 98.1 % 98.6 % 0.5 pp more efficient
Weight 21.0 kg 23.0 kg 2.0 kg lighter
Max AC power 18.70 kW 18.80 kW 0.10 kW apart
Start voltage 180 V 250 V 70 V earlier start
Max efficiency 98.5 % 98.8 % 0.2 pp more efficient
MPPT voltage range 160-1000 V 200-1000 V 160-1000 V vs 200-1000 V
Max AC current 28.3 A 27.4 A 0.9 A apart
Dimensions 480x370x195 mm 395x525x222 mm 480x370x195 mm vs 395x525x222 mm
02

Full specification

Parameter SG17RT MID 17KTL3-X Difference
AC output
Rated AC power 17.00 kW 17.00 kW Same
Max AC power 18.70 kW 18.80 kW 0.10 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 28.3 A 27.4 A 0.9 A apart
PV input
Max PV power 25.50 kW 25.50 kW Same
DC/AC ratio 1.50 1.50 Same
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 180 V 250 V -70 V for SG17RT
MPP trackers 2 2 Same
Strings per tracker 2 - Not published by Growatt
Max input current per tracker 25.0 A - Not published by Growatt
Efficiency
European efficiency 98.1 % 98.6 % +0.5 pp for MID 17KTL3-X
Max efficiency 98.5 % 98.8 % +0.2 pp for MID 17KTL3-X
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 21.0 kg 23.0 kg -2.0 kg for SG17RT
Weight per kW 1.2 kg/kW 1.4 kg/kW Effectively the same
Dimensions 480x370x195 mm 395x525x222 mm 480x370x195 mm vs 395x525x222 mm
Ingress protection IP65 IP65 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 Yes Same
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sungrow
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.