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SUN2000-6KTL-M1 vs STP6.0-3SE-40 12 of 28 identical Swap Change inverters

Huawei SUN2000-6KTL-M1 vs SMA Solar STP6.0-3SE-40

Huawei SUN2000-6KTL-M1
Huawei
SUN2000-6KTL-M1
6 kW 97.7 % euro Hybrid
Open inverter page Datasheet PDF
VS
SMA Solar STP6.0-3SE-40
SMA Solar
STP6.0-3SE-40
6 kW 97.5 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

16 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 12 of 28 comparable parameters are identical, with 4 more left out because at least one datasheet does not publish them.

See all 16 differences
How alike are they
12 of 28 comparable
parameters are identical
identical differs not published
01

What actually differs

16 of 28 parameters
Parameter SUN2000-6KTL-M1 STP6.0-3SE-40 Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 11.0 A 25.0 A 14.0 A more headroom
Max AC power 6.60 kW 6.00 kW 0.60 kW apart
Max charge current 16 A 30 A 14 A faster charging
Backup power 3.3 kW 10.0 kW 6.7 kW more backup
Weight 17.0 kg 30.0 kg 13.0 kg lighter
Weight per kW 2.8 kg/kW 5.0 kg/kW 2.2 kg/kW lighter
Max efficiency 98.6 % 98.2 % 0.4 pp more efficient
European efficiency 97.7 % 97.5 % 0.2 pp more efficient
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 10.1 A 9.1 A 1.0 A apart
MPPT voltage range 140-980 V 210-800 V 140-980 V vs 210-800 V
Start voltage 200 V 180 V 20 V earlier start
Battery voltage 600 V ~ 980 V 150 V to 600 V 600 V ~ 980 V vs 150 V to 600 V
Strings per tracker 1 2 1 string apart
Dimensions 525x470x146 mm 598x500x173 mm 525x470x146 mm vs 598x500x173 mm
02

Full specification

Parameter SUN2000-6KTL-M1 STP6.0-3SE-40 Difference
AC output
Rated AC power 6.00 kW 6.00 kW Same
Max AC power 6.60 kW 6.00 kW 0.60 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 10.1 A 9.1 A 1.0 A apart
PV input
Max PV power 9.00 kW 9.00 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 140-980 V 210-800 V 140-980 V vs 210-800 V
Start voltage 200 V 180 V -20 V for STP6.0-3SE-40
MPP trackers 2 2 Same
Strings per tracker 1 2 1 string apart
Max input current per tracker 11.0 A 25.0 A +14.0 A for STP6.0-3SE-40
Efficiency
European efficiency 97.7 % 97.5 % +0.2 pp for SUN2000-6KTL-M1
Max efficiency 98.6 % 98.2 % +0.4 pp for SUN2000-6KTL-M1
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 600 V ~ 980 V 150 V to 600 V 600 V ~ 980 V vs 150 V to 600 V
Max charge current 16 A 30 A +14 A for STP6.0-3SE-40
Backup power 3.3 kW 10.0 kW +6.7 kW for STP6.0-3SE-40
Physical
Weight 17.0 kg 30.0 kg -13.0 kg for SUN2000-6KTL-M1
Weight per kW 2.8 kg/kW 5.0 kg/kW -2.2 kg/kW for SUN2000-6KTL-M1
Dimensions 525x470x146 mm 598x500x173 mm 525x470x146 mm vs 598x500x173 mm
Ingress protection IP65 IP65 Same
Cooling natural natural Same
Noise - 30 dB Not published by Huawei
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 Yes Same
Warranty
Warranty - 5 yrs Not published by Huawei
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.