VITOVOLT 300 M390-400WE
by Viessmann Generations Group GmbH & Co. KG · Germany
Technology: PERC
PERC400 W20.41% eff
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Overview
Technology: PERC
Key Specifications
Max Power
400 W
Efficiency
20.41%
Product Warranty
12 years
Dimensions
0 × 0 mm
Connectors
MC4
Max System Voltage
1500 V
Launch Year
2026
Price
—
Full Specifications
Product Identity
NameVITOVOLT 300 M390-400WE
ManufacturerViessmann Generations Group GmbH & Co. KG
CountryGermany
CategoryPERC
Cell TypeMonocrystalline
Number of Cells340
Electrical Parameters (STC)
| Model | Pmax (W) | Vmpp (V) | Impp (A) | Voc (V) | Isc (A) | Eff (%) |
|---|
Mechanical Characteristics
Dimensions0 × 0 × 0 mm
Weight22 kg
Front GlassAnti-reflection Coating, Tempered
Back Glass
FrameAnodized Aluminium
Junction BoxIP 67
Output Cables4 mm2
ConnectorsMC4
Mechanical Load0 Pa
Operating & Temperature
Operating Temperature0°C to 0°C
Max System Voltage1500 V DC
Max Series Fuse Rating0 A
Power Tolerance0 ~ +1 %
NMOT42.3 °C
Temp Coeff Pmax-0.34 %/°C
Temp Coeff Voc-0.27 %/°C
Temp Coeff Isc0.04 %/°C
Warranty
Product Warranty12 years
Power Warranty0 years (0% at year 0)
Certifications & Regions
Certifications—
RegionsEurope
CountriesGermany
Commercial
Price—
Launch Year2026
AvailabilityAvailable
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