Powerex model number T7KD093054CN809 stud SCR/thyristor. New/Surplus; some units have minor cosmetic marks from handling. To view a full specification sheet for the T700 series SCRs (PDF),
click here - (
Please note: the T7KD... appears to be a custom version of this series; however, there is useful part number data on page 1 indicating the voltage and current ratings to be 900V, 300A).