... -270,NBC-350, NBC-500 Melting pole gas shielded welding machine MAG welder, MIG welder, ... NBC-270,NBC-350, NBC-500 Melting pole gas shielded welding machineCharacteristics: 1.Simple structure, reliable performance, ... consumable electrode argon welder (MIG weld),and mixture gas protecting welder (MAG weld) .2.It can ... -1.2mm1.0-1.6mmRated Duty cycle35%Full load efficiency 89%89%89%Power factor0.950.870 ...