High-efficiency photovoltaic module using silicon nitride Multi-crystalline silicon cells
Performance      TBEA 3270      TBEA 3275      TBEA 3280
Rated power (Pmax)      270W       275W        280W                  
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       TBEA3270        TBEA3275   TBEA3280      
Rated power (Pmax)       270W        275W       280W 
Voltage at Pmax (Vmp)         35.5V        35.6V        36.2V  
Current at Pmax (Imp)     7.6A         7.7A         7.8A  
Short circuit current (Isc)        8.3A        8.5A       8.6A    
Open circuit voltage (Voc)      44.2V       44.3V     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:   20A (J-box)
Maximum system voltage:600V (US NEC rating);1000V (TUV SUD rating);1000V (IEC 61215 rating)