Features: Juba patented outlooking with reasonable design,easy for heat radiating. Compact design, light weight ,easy to operate and carry. Cutting current could be continuously adjusted High frequency cutting speed, could be 2.5 times higher than regular cutting. Using compressed air as working gas with lower cost. With thermal protection inside, make sure cutting sate and reliable. Technical Data : Input voltage (V) 220 V 1phase Rated Input Power : 7Kva Output current (A) 40 Duty cycle (%) 60 Efficency (%) 85 Insulation Class F Protection Class IP21s Max. Cutting Thickness (mm) 12 Instruction Manual