NBC-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, less ... .0mm1.0-1.2mm1.0-1.6mmRated Duty cycle35%Full load efficiency 89%89%89%Power factor0.950.870.87Weight82kg 98kg140kgOverall ...