1. IGBT welding machinery. 2. MIG DC welder/wire feeder. 3. MIG MAG welding equipment/industry machine. Main features: Product item number NBC-350NBC-500NBC-630 Nominal input voltage 3×380V 50HZ3×380V 50HZ3×380V 50HZKVA Nominal input power (KVA) 13.724.434.6A Nominal input current (A) 213854A Output current adjustment range (A) 6-35060-50060-630Full load efficiency 89%89%89%Power factor 0.950.950.95best workpiece thickness 1-151-201-20Dia. welding wire range 1.0-1.61.0-1.61.0-2.0Type of wire feeder pushpushpush Duty cycle 60%60%60%mm Machine dimensions (mm) 576×297×557576×297×557636×332×582kg Weight (kg) 425355