... during arc staring. 2)Advanced MOSFET tech. 3)auto protection ♣ Mig Welding Machine(MIG-250)♣Feature:1)Slow wire feeding ... , remove the tip ball after welding, easy arc-starting.2)Deep welding penetration, good welding bead, little spatter.3)Advanced ... Supplied complete with MIG torch, earth clamp, face mask, welding brush.♣Technical parametersModelMIG-200MIG-250Power voltage(V)230380Frequency (HZ) ...