ARC-160 welding machine 1.IGBT tech,small,light 2.high duty cycle 80% ... -5mm rod 4. 1 year Warrany MMA series DC inverter ARC welding machine has the following characteristics:1. Advanced IBGT inverter technology ... size, light weight, high quality and energy-saving.3. Easy arc-starting and stable current, fast dynamic reaction, no noise, little ...