4 kW String with 2 MPPT trackers. DC input up to 600 V, MPPT range 140–500 V.
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Find the datasheet PDF on Google:
"Huawei SUN2000-100KTL" datasheet filetype:pdfLowest expected winter temperature in your area
Highest expected summer temperature in your area
How the panels are mounted affects operating temperature
Affects only bifacial panels — reflected light increases current, which may change compatibility
Apply worst-case Voc +3% and Isc +5% to account for manufacturing variance. Recommended for safety-critical designs.
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Max DC voltage
600 V
MPPT voltage range
140–500 V
Start-up voltage
80 V
Max input current per MPPT
15 A
Max short-circuit current
20 A
Nominal AC power
4.0 kW
MPPT configuration
2 MPPT × 2 strings
Max DC power input
7.5 kW
Inverter type
String
The SMA SB 4.0-1AV-41 is a 4 kW inverter suitable for residential and commercial solar installations. The panel matcher above shows all compatible solar panels with optimal string configurations calculated automatically based on voltage, current, and temperature limits.
Use our string sizing calculator for a detailed 7-check compatibility analysis with temperature-adjusted voltage and current calculations.
The SMA SB 4.0-1AV-41 has 2 MPPT tracker(s), each supporting 2 input string(s). The exact panel count per string depends on your panel's Voc relative to the MPPT range 140–500 V. Use the matcher above to find the optimal configuration automatically.
The SMA SB 4.0-1AV-41 MPPT accepts DC voltages between 140 V and 500 V. At summer temperatures, the string Vmpp must stay above 140 V. At winter temperatures, the string Voc must not exceed the absolute DC limit of 600 V. The matcher calculates these temperature-adjusted checks automatically.
Yes — the SMA SB 4.0-1AV-41 is compatible with any solar panel brand as long as the string voltage and current stay within its electrical limits. Panel brand does not affect compatibility. What matters is that the string Voc at coldest temperature stays below 600 V, Vmpp stays within 140–500 V, and total current stays below 20 A.