This is a 3 in 1 multi-function welding & cutting machine. It can do mma welding, tig welding & plasma cutting up to 12mm thickness. This compact small size unit, light weight & easy to carry welding & cutting machine is manufactured with advanced inverter technology using mosfets and pwm technology .the welding has little spatter, beautiful cutting & welding seam. Machine is very easy to operate. It has high duty cycle & suitable for continuous operations. The machine has automatic compensation for voltage fluctuation. The hsct312l can be used for welding & cutting of various kind of metal material such as carbon steel, stainless steel, alloy steel, copper & other non-ferrous metals. The machine is highly efficient & energy saving .the power conversion ratio is up to 85%. Input power voltage (vachz) - ac220+15% , 5060vconsumption (kva) - 4.2non-load loss (w) - 40duty cycle (%) - 60power factor - 0.93efficiency (%) - 85insulation class - fprotection class - ip21weight (kg) - 9size of the machine (mm) - 371x155x285input current (a) - 102(tig) 15.6(mma) 19(plasma)output current (a) - 120(tig) 110(mma) 30(plasma)current range (a) - 10-120(tig) 10-110(mma) 15-30(plasma)no-load voltage (v) - 55(tig) 55(mma) 220(plasma)working voltage (mm) - 15(tig) 25(mma) 92(plasma)nozzle inside diameter (mm) - 1.0(plasma)air pressure (m pa) - 0.4(plasma)gas flow (lmin) - 2-5(tig) 80(plasma)cutting thickness (mm) - 1-8(plasma)arc-starting - hf oscillation(tig) hf oscillation(mma) hf oscillation(plasma)