*Cutting capacity increased 1.8 times speed compare with O2 cutting. *Thick metal plate can be cut easily and quickly. *Suitable for cutting stainless steel,copper,iron and aluminium metal etc. *Simple operation,smooth cutting surface. *Hf untouched Arc-starting cutting(70,100,120). *Hf touched Arc_staring cutting(30,40,60). Item CUT40 CUT60 CUT70 Input voltage (V) 220?0% 380?0% 380?0% Rate input capacity (KVA) 4.8 7.9 9.5 No-load voltage (V) 230 236 240 Current range (A) 10-40 20-60 20-70 Rate output voltage (V) 96 104 108 Duty cycle (%) 60 60 60 Efficiency 85 85 85 Insulation class B B B Protection class IP21 IP21 IP21 Weight (kg) 8 19 21 Dimension 371?55?95 480?05?55 540?15?60 Max cutting thickness (mm) 12 23 25