... 1,000VDCTemperature coefficient of Vm: -0.35%/KTemperature coefficient of Im: 0.035%/KTemperature coefficient of power: -0.47%/KMaximum series fuse rating ... 4mm², 900mm length, TUV certificatedEncapsulation: low iron tempered glass, 3.2mm thickness, light transmission above 91%, TPT and fast cure ... :TUV, IEC, CE,CQC and SGS 250w ploy photovoltaic solar panel with solar cells/CE,IEC,TUV cetificates