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SG333HX vs SolarEdge TerraMax Inverter SE330K 9 of 15 identical Swap Change inverters

Sungrow SG333HX vs SolarEdge TerraMax Inverter SE330K

Sungrow SG333HX
Sungrow
SG333HX
333 kW 98.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SolarEdge
SolarEdge TerraMax Inverter SE330K
330 kW 98.8 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG333HX leads on the differences that matter

The largest is rated ac power: 3.00 kW apart. 9 of 15 comparable parameters are identical, with 17 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
9 of 15 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 15 parameters
Parameter SG333HX SolarEdge TerraMax Inverter SE330K Difference
Rated AC power 333.00 kW 330.00 kW 3.00 kW apart
Max AC power 333.00 kW 330.00 kW 3.00 kW apart
Weight 116.0 kg 175.0 kg 59.0 kg lighter
Nominal AC voltage 800 V 690 V 110 V apart
Max AC current 240.5 A 276.1 A 35.6 A apart
Dimensions 870x1136x361 mm 914x1090x416 mm 870x1136x361 mm vs 914x1090x416 mm
02

Full specification

Parameter SG333HX SolarEdge TerraMax Inverter SE330K Difference
AC output
Rated AC power 333.00 kW 330.00 kW 3.00 kW apart
Max AC power 333.00 kW 330.00 kW 3.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 800 V 690 V 110 V apart
Max AC current 240.5 A 276.1 A 35.6 A apart
PV input
Max PV power - 660.00 kW Not published by Sungrow
DC/AC ratio - 2.00 Not published by Sungrow
Max DC voltage 1500 V 1500 V Same
MPPT voltage range 500-1500 V - Not published by SolarEdge
Start voltage 550 V - Not published by SolarEdge
MPP trackers 12 - Not published by SolarEdge
Strings per tracker 2 - Not published by SolarEdge
Max input current per tracker 40.0 A - Not published by SolarEdge
Efficiency
European efficiency 98.8 % 98.8 % Same
Max efficiency 99.0 % 99.2 % 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 116.0 kg 175.0 kg -59.0 kg for SG333HX
Weight per kW 0.3 kg/kW 0.5 kg/kW Effectively the same
Dimensions 870x1136x361 mm 914x1090x416 mm 870x1136x361 mm vs 914x1090x416 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise - 72 dB Not published by Sungrow
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 - - Neither datasheet publishes this
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.