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S5-GC33K vs SG33CX 14 of 19 identical Swap Change inverters

Ginlong Solis S5-GC33K vs Sungrow SG33CX

Ginlong Solis S5-GC33K
Ginlong Solis
S5-GC33K
33 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG33CX
Sungrow
SG33CX
33 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

S5-GC33K leads on the differences that matter

The largest is max input current per tracker: 6.0 A more headroom. 14 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 5 differences
How alike are they
14 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

5 of 19 parameters
Parameter S5-GC33K SG33CX Difference
Max input current per tracker 32.0 A 26.0 A 6.0 A more headroom
Weight 38.2 kg 50.0 kg 11.8 kg lighter
Start voltage 180 V 250 V 70 V earlier start
Weight per kW 1.2 kg/kW 1.5 kg/kW 0.4 kg/kW lighter
Dimensions 629x647x252 mm 595x702x310 mm 629x647x252 mm vs 595x702x310 mm
02

Full specification

Parameter S5-GC33K SG33CX Difference
AC output
Rated AC power 33.00 kW 33.00 kW Same
Max AC power 36.30 kW 36.30 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 55.1 A 55.2 A Effectively the same
PV input
Max PV power 49.50 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 200-1000 V Same
Start voltage 180 V 250 V -70 V for S5-GC33K
MPP trackers - - Neither datasheet publishes this
Strings per tracker 2 2 Same
Max input current per tracker 32.0 A 26.0 A +6.0 A for S5-GC33K
Efficiency
European efficiency 98.2 % 98.3 % Effectively the same
Max efficiency 98.7 % 98.6 % 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 38.2 kg 50.0 kg -11.8 kg for S5-GC33K
Weight per kW 1.2 kg/kW 1.5 kg/kW -0.4 kg/kW for S5-GC33K
Dimensions 629x647x252 mm 595x702x310 mm 629x647x252 mm vs 595x702x310 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 60 dB - Not published by Sungrow
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by Sungrow
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
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.