Voc (Open Circuit Voltage) in Volts : 21V Isc (Short Circuit Current) in Amps : 0.34A Vm (Rated Voltage) in Volts : 17.1V Im (Rated Current) in Amps : 0.30A Maximum System Voltage (VDC) : 600V Pmax : 3W Under Standard test Conditions: Irradiance = 1000W/? Temperature =25?C and AM = 1.5, Tolerance at Pmax is ? 5 % Size 215 x 345 mm