... kechuang medium frequency induction braze welding machine XZ-40B: Model typeXZ-50BInput power50KVAInput voltage380V 50HZMax input currentSingle phase 75AOscillating frequency0.5-20KHZInverted power ... single crystal upspring,heating fitting in,heat seal,powder applicating,embedding plastic to metal,etc. Full Automatic Medium Frequency Induction Braze Welding Machine ...