AC/DC Arc Welder Performance Feature and Application 1.Suitable for AC/DC MMA welding with all kinds of electrode 2.Convenient stepless adjustment of welding current can ensure the stablility of arc in different welding condition 3.Suitable for welding of low carbon steel, medium carbon steel, low alloy steel and their cast etc. Parameter: Power voltage:380V Frequency:50HZ Rated input capacity:40KVA Open circuit voltage:77V Rated output current:500 Duty cycle:35% Current adjust range(DC):80 380 (AC):100 500 Suit welding rod dia.:3.2 8mm Dimension:685*495*910mm Weight:185KG