Maximum Power at STC (Pmax): 50 W Optimum Operating Voltage (Vmp): 19.8 V Optimum Operating Current (Imp): 2.53 A Open Circuit Voltage (Voc): 23.3 V Short Circuit Current (Isc): 2.63 A Maximum System Voltage: 600 VDC UL Maximum Series Fuse Rating: 15 A