... , heat penetration, quenching, brazing, siphon, sintering etc. KGPS series thyristor (SCR) M.F. power supply transfer a work frequency 50Hz AC power ... annealing, fusion, heat penetration, quenching, brazing, siphon, sintering etc.Power grade: 50 kW1500kWFrequency range: 500Hz~8kHz KGPS Series Thyristor Medium Frequency Induction Heating Equipment