IGBT MMA-250 250A: 1.MMA series welding machine (IGBT). 2.Anti-sticking function 3.probltable ♣ IGBT MMA-250 250A :♣The Features 1.Adopting advanced IGBT inverter technology, three PCB technology. 2.High efficiency, low consumption, energy saving. 3.Anti-stick, thermostatic control, stable performance. 4.Easy Arc-starting and little spatter, high welding quality, contains electric circuit to ...