... 380V TX-70B series induction heating equipment Main specifications:1. Maximum input power: 70KW2. Input voltage: three-phase380V,50or60HZ3. Oscillation frequency: 30 ... shaft pins, rocker, and other accessories high frequency hardening machine.hardware tools high-frequency hardening heat treatment, for example: vice, ... capacity can be from 3KG to 300KG. High frequency induction hardening machine