WSM welder Modle: WSM-200 Features: 1:Adopts advanced V-MOS inverter technology,using noncrystal core and power units,can meet IEC974 safety standard. 2:Wide adaptability and can be applicable to welding carbon steel, stainless steel, alloy steel and cast iron etc. 3:High-efficency, saving-energy, small in dimension, light in weight, sample operation, economic,durable and reliable. 4:Easy arc initation,stable welding current, fast dynamic reponse, no welding noise, low welding spatter, no magnetic bias, smooth weld apperance. Specification: Input power voltage: DC230 V+/- 10% Inputvoltage frequency: 50/60 HZ Rated input current: 19.8 A No-load voltage:56 V Output current range:20-200 A Duty cycle: 60% Power factor:0.93 Insulation class: F Dimension:371x155x295 mm Weight:9 KGS Crust protection class: IP21