High-efficiency photovoltaic module using silicon nitride Multi-crystalline silicon cells
Performance                      BP 3280                   BP 3285                 BP 3290       
Rated power (Pmax)           280W                       285W                     290W                  
Module tolerance                +5/-3%                
Nominal voltage                  24V                 
Warranty                           25years                      
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Qualification test parameters
Temperature cycling range -40°C to +85°C
Damp heat test 85°C, 85% relative humidity
Front and rear static load test (e.g.: wind)        2,400 Pa (50psf)
Front load test (e.g.: snow) 5,400 Pa (113psf)
Hailstone impact test 25mm ? (1 inch) at 23m/s (52mph)
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Typical electrical characteristics      BP3280      BP3285        BP3290      
Rated power (Pmax)           280W         285W    290W                     
Voltage at Pmax (Vmp)                   36.3V         36.6V            36.7V                     
Current at Pmax (Imp)            7.7A             7.8A            7.9A                       
Short circuit current (Isc)     8.5A             8.6A            8.7A                      
Open circuit voltage (Voc)          44.3V        44.4V         44.5V                     
Temperature coefficient of Isc   (0.065±0.015)%/ °C
Temperature coefficient of Voc   - (0.36±0.05) %/°C
Temperature coefficient of Pmax    - (0.5±0.05)%/ °C
NOCT              47±2°C    (Air 20°C; Sun 0.8kW/m2; wind 1m/s)
Maximum series fuse rating   15A
Maximum system voltage  600V (US NEC rating);1000V (VDE rating);1000V (IEC 61215 rating)