Fast Thyristor to Thyristor Module Vrsm 1300V, Vrrm 1200V, Forward RMS current 350, Forward current 180 Amps continuous Thyristor/Thyristor Super Magn A Pak Fast Power Module,High current capability,high surge capability,industrial standard package,3000 Vrms isolating voltage,designed and qualified for industrial level,typical applications Motor starters,DC motor controls ,AC motor controls, uninterruptable power supplies.