MIG welder MIG welding machine MIG welding NB-350 welder's technical data: Rated Input Voltage 3 Phase 380V/415V/440V Rated input capacity(KVA) 14.5 Welding Voltage range(V) 17-32 Welding current rage(A) 60-350 Welding wire diameter(mm) 0.8-1.2 Duty Cycle(%) 60 Efficiency(%) 89 Power factor(%) 87 NB-500 welder's technical data: Rated Input Voltage 3 Phase 380V/415V/440V Rated input capacity(KVA) 25 Welding Voltage range(V) 17-39 Welding current rage(A) 60-350 Welding wire diameter(mm) 1.0-1.6 Duty Cycle(%) 60 Efficiency(%) 89 Power factor(%) 87 NB-630 welder's technical data: Rated Input Voltage 3 Phase 380V/415V/440V Rated input capacity(KVA) 37 Welding Voltage range(V) 17-44 Welding current rage(A) 80-630 Welding wire diameter(mm) 1.2-1.6 Duty Cycle(%) 60 Efficiency(%) 89 Power factor(%) 87 Product Characteristics: 1. Take the international advanced IGBT inverter technology with steady output and good capability of resistance of electric-net work fluctuation. 2. Software switch shift, with high integration effeciency. 3. Electronic reactor control, with small spatter and good shape. 4. Special waveform control technology which makes spatter reduced to a great extent; Have good through-the-wire adaptability. 5. Striking arc with slow wire feed speed; Striking arc is easy with high success rate; With droplet removal function when arc is ended. 6. Availabe to be shifted to CO2/MIG/MAG welding 7. Applicable to flux-cored wire/solid-cored wire to weld carbon steel, alloys and aluminum 8. Cables can be extended to 50 meters, applicable to weld plate with thickness of more than 1.0mm. 9. Light weight, convenient for mobile operation.