Inverter, compressed air plasma cutting system, with contact striking of pilot arc. Allows a rapid, distortion-proof cutting of all conductive materials such as steel, stainless steel, galvanised steel, aluminium, copper, brass, etc. Characteristics: reduced weight and dimensions * warning led for torch under voltage, protections * torch automatic cooling * visualization of air pressure * thermostatic, overvoltage, undervoltage, overcurrent protections. Complete with torch.