SMA Solar STP6.0-3SE-40 vs Huawei SUN2000-6KTL-M1
VS
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 differencesHow alike are they
12
of 28 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
16 of 28 parameters
What actually differs
Parameter
STP6.0-3SE-40
SUN2000-6KTL-M1
Difference
Max DC voltage
1000 V
1100 V
100 V apart
Max input current per tracker
25.0 A
11.0 A
14.0 A more headroom
Max AC power
6.00 kW
6.60 kW
0.60 kW apart
Max charge current
30 A
16 A
14 A faster charging
Backup power
10.0 kW
3.3 kW
6.7 kW more backup
Weight
30.0 kg
17.0 kg
13.0 kg lighter
Weight per kW
5.0 kg/kW
2.8 kg/kW
2.2 kg/kW lighter
Max efficiency
98.2 %
98.6 %
0.4 pp more efficient
European efficiency
97.5 %
97.7 %
0.2 pp more efficient
Nominal AC voltage
230 V
400 V
170 V apart
Max AC current
9.1 A
10.1 A
1.0 A apart
MPPT voltage range
210-800 V
140-980 V
210-800 V vs 140-980 V
Start voltage
180 V
200 V
20 V earlier start
Battery voltage
150 V to 600 V
600 V ~ 980 V
150 V to 600 V vs 600 V ~ 980 V
Strings per tracker
2
1
1 string apart
Dimensions
598x500x173 mm
525x470x146 mm
598x500x173 mm vs 525x470x146 mm
02
Full specification
Parameter
STP6.0-3SE-40
SUN2000-6KTL-M1
Difference
AC output
Rated AC power
6.00 kW
6.00 kW
Same
Max AC power
6.00 kW
6.60 kW
0.60 kW apart
Grid connection
3-phase
3-phase
Same
Nominal AC voltage
230 V
400 V
170 V apart
Max AC current
9.1 A
10.1 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
1000 V
1100 V
100 V apart
MPPT voltage range
210-800 V
140-980 V
210-800 V vs 140-980 V
Start voltage
180 V
200 V
-20 V for STP6.0-3SE-40
MPP trackers
2
2
Same
Strings per tracker
2
1
1 string apart
Max input current per tracker
25.0 A
11.0 A
+14.0 A for STP6.0-3SE-40
Efficiency
European efficiency
97.5 %
97.7 %
+0.2 pp for SUN2000-6KTL-M1
Max efficiency
98.2 %
98.6 %
+0.4 pp for SUN2000-6KTL-M1
CEC efficiency
-
-
Neither datasheet publishes this
Battery
Battery input
Yes
Yes
Same
Battery voltage
150 V to 600 V
600 V ~ 980 V
150 V to 600 V vs 600 V ~ 980 V
Max charge current
30 A
16 A
+14 A for STP6.0-3SE-40
Backup power
10.0 kW
3.3 kW
+6.7 kW for STP6.0-3SE-40
Physical
Weight
30.0 kg
17.0 kg
-13.0 kg for SUN2000-6KTL-M1
Weight per kW
5.0 kg/kW
2.8 kg/kW
-2.2 kg/kW for SUN2000-6KTL-M1
Dimensions
598x500x173 mm
525x470x146 mm
598x500x173 mm vs 525x470x146 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
Open all inverters
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Huawei
Huawei SUN2000-6KTL-M1 vs Huawei SUN2000-6KTL-M1 (High current version)
2 differences, the largest is max input current per tracker
04
Written summary
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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.