MIG 250 ,diy ac arc welder,portable,fan-cooled thermostatic protection ,four pole current adjust.

MIG250 arc welding machine, advantages as follow:

1.well suited for welding sheet and plate of moderate thickness.

2.fit for using  all kinds of low carbon steel and alloy steel gas shield welding .

3.have spot welding function

4.adjustment instep ,convient operation.

5.effcient productivity ,good welding quanlity,no dregs,open arc,small heat affect zone,small strain and beautiful look of welding seam

6.overload protecting function,good reliability

7.increase in eletric arc self-locking function user need,easing off degree of welder's fatigue.