The features of DC MIG/MAG Welding Instrument MIG-155: 1.MOSFETinverterandsoft-shifttechnology,highefficiencyforthewholemachine; 2.Portable,aircool,thermostaticprotection,energysaving,easyformaintenance; 3.Withbuilt-inwirefeeder; 4.Weldingcurrentandvoltagecanbeadjustedcontinuously; 5.Appliedforcarbonsteel,alloysteel,andstainlesssteel; 6.Suitableforflux(Gasless)weldingwireandgasshieldedMIG/MAGweldingwire; 7.Completeaccessories:weldingtorch,earthclamp,etc. The parameters of DC MIG/MAG Welding Instrument MIG-155: Model Spec. MIG-155 Powersupplyvoltage AC220+10%V/50 60Hz Powersupplycapacity 4.2kVA Ratedoutputcurrent 30-155A Poweroutputvoltage 15-21.5V Dutycycle 60% Cosφ(η) 0.93 Weldingfeeder Built-in Weldingwiredeliverspeed 2.5-13m/min Weldingwirediameter Φ0.8-1.0mm Protection IP21S Insulationgrade F Weight 30kg Dimensions(mm) 240x260x390 BUY WITH CONFIDENCE. Quality machines manufactured by RONGYI. Full service and parts back up. 12 MONTHS WARRANTY