... start,arc force,overload protection MMA-200 machine 1. Advanced IGBT inverter technology, stable current, steady and intensive arc ... , excellent arc striking performance, reliable and durable, easy for maintenance; 3.Thermostatic protection, over-voltage protection, over-current ... power grid fluctuation, high duty cycle; 6.Suitable for stainless steel plate welding; 7.Complete accessories: welding ...