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STP4.0-3AV-40 (Sunny Tripower 4.0) vs SolarEdge SE4000H (HD‑Wave, single phase) 8 of 20 identical Swap Change inverters

SMA Solar STP4.0-3AV-40 (Sunny Tripower 4.0) vs SolarEdge SE4000H (HD‑Wave, single phase)

SMA Solar STP4.0-3AV-40 (Sunny Tripower 4.0)
SMA Solar
STP4.0-3AV-40 (Sunny Tripower 4.0)
4 kW 97.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SolarEdge
SolarEdge SE4000H (HD‑Wave, single phase)
4 kW 98.8 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SolarEdge SE4000H (HD‑Wave, single phase) leads on the differences that matter

The largest is european efficiency: 1.7 pp more efficient. 8 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
8 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 20 parameters
Parameter STP4.0-3AV-40 (Sunny Tripower 4.0) SolarEdge SE4000H (HD‑Wave, single phase) Difference
European efficiency 97.1 % 98.8 % 1.7 pp more efficient
Warranty 5 yrs 25 yrs 20 yrs longer
Max DC voltage 850 V 480 V 370 V apart
Max efficiency 98.2 % 99.2 % 1.0 pp more efficient
Max PV power 8.00 kW 6.20 kW 1.80 kW apart
DC/AC ratio 2.00 1.55 0.45 more oversizing headroom
Weight 17.0 kg 9.0 kg 8.0 kg lighter
Weight per kW 4.2 kg/kW 2.2 kg/kW 2.0 kg/kW lighter
Noise 30 dB 25 dB 5 dB quieter
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Max AC current 6.1 A 18.5 A 12.4 A apart
Dimensions 470x435x176 mm 280x370x142 mm 470x435x176 mm vs 280x370x142 mm
02

Full specification

Parameter STP4.0-3AV-40 (Sunny Tripower 4.0) SolarEdge SE4000H (HD‑Wave, single phase) Difference
AC output
Rated AC power 4.00 kW 4.00 kW Same
Max AC power 4.00 kW 4.00 kW Same
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 230 V 230 V Same
Max AC current 6.1 A 18.5 A 12.4 A apart
PV input
Max PV power 8.00 kW 6.20 kW 1.80 kW apart
DC/AC ratio 2.00 1.55 +0.45 for STP4.0-3AV-40 (Sunny Tripower 4.0)
Max DC voltage 850 V 480 V 370 V apart
MPPT voltage range 140-800 V - Not published by SolarEdge
Start voltage 175 V - Not published by SolarEdge
MPP trackers 2 - Not published by SolarEdge
Strings per tracker 1 - Not published by SolarEdge
Max input current per tracker 12.0 A - Not published by SolarEdge
Efficiency
European efficiency 97.1 % 98.8 % +1.7 pp for SolarEdge SE4000H (HD‑Wave, single phase)
Max efficiency 98.2 % 99.2 % +1.0 pp for SolarEdge SE4000H (HD‑Wave, single phase)
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 17.0 kg 9.0 kg -8.0 kg for SolarEdge SE4000H (HD‑Wave, single phase)
Weight per kW 4.2 kg/kW 2.2 kg/kW -2.0 kg/kW for SolarEdge SE4000H (HD‑Wave, single phase)
Dimensions 470x435x176 mm 280x370x142 mm 470x435x176 mm vs 280x370x142 mm
Ingress protection IP65 IP65 Same
Cooling natural natural Same
Noise 30 dB 25 dB -5 dB for SolarEdge SE4000H (HD‑Wave, single phase)
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 SMA Solar
Integrated DC switch Yes - Not published by SolarEdge
Warranty
Warranty 5 yrs 25 yrs +20 yrs for SolarEdge SE4000H (HD‑Wave, single phase)
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.