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SE33.3K vs SolarEdge SE33.3K (K33.3SE) - Three Phase Inverter for 277/480V Grid 12 of 19 identical Swap Change inverters

SolarEdge SE33.3K vs SolarEdge SE33.3K (K33.3SE) - Three Phase Inverter for 277/480V Grid

SolarEdge SE33.3K
SolarEdge
SE33.3K
33.3 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SolarEdge
SolarEdge SE33.3K (K33.3SE) - Three Phase Inverter for 277/480V Grid
33.3 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SE33.3K leads on the differences that matter

The largest is max pv power: 8.27 kW apart. 12 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
12 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 19 parameters
Parameter SE33.3K SolarEdge SE33.3K (K33.3SE) - Three Phase Inverter for 277/480V Grid Difference
Max PV power 58.27 kW 50.00 kW 8.27 kW apart
DC/AC ratio 1.75 1.50 0.25 more oversizing headroom
Weight 32.0 kg 45.0 kg 13.0 kg lighter
Nominal AC voltage 400 V 480 V 80 V apart
Max AC current 48.2 A 40.0 A 8.2 A apart
Weight per kW 1.0 kg/kW 1.4 kg/kW 0.4 kg/kW lighter
Dimensions 558x328x273 mm 540x315x260 mm 558x328x273 mm vs 540x315x260 mm
02

Full specification

Parameter SE33.3K SolarEdge SE33.3K (K33.3SE) - Three Phase Inverter for 277/480V Grid Difference
AC output
Rated AC power 33.30 kW 33.30 kW Same
Max AC power 33.30 kW 33.30 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 480 V 80 V apart
Max AC current 48.2 A 40.0 A 8.2 A apart
PV input
Max PV power 58.27 kW 50.00 kW 8.27 kW apart
DC/AC ratio 1.75 1.50 +0.25 for SE33.3K
Max DC voltage 1000 V 1000 V Same
MPPT voltage range 680-1000 V 680-1000 V Same
Start voltage - - Neither datasheet publishes this
MPP trackers - - Neither datasheet publishes this
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - 40.0 A Not published by SolarEdge
Efficiency
European efficiency 98.0 % 98.0 % Same
Max efficiency - 98.1 % Not published by SolarEdge
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 32.0 kg 45.0 kg -13.0 kg for SE33.3K
Weight per kW 1.0 kg/kW 1.4 kg/kW -0.4 kg/kW for SE33.3K
Dimensions 558x328x273 mm 540x315x260 mm 558x328x273 mm vs 540x315x260 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise - 55 dB Not published by SolarEdge
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch - Yes Not published by SolarEdge
Warranty
Warranty - 20 yrs Not published by SolarEdge
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.