APC-50HF has the most advanced IGBT inverter technology and non-touch pilot arc cutting processes, resulting in excellent arc stability; The cutting effect is sharp and polished; The machine can create efficiently and smooth cuts regardless of dirty, rough, rusted, greasy, or painted surfaces.High-quality design manufactured by American industrial level standards; Efficiently cuts stainless steel, alloy steel, mild steel, copper, iron, cast iron, aluminum alloys, and aluminum up to 4/5 inch, producing straight cuts, angles, holes, curves, notches, grooves, circles, and V-grooves.Intelligent power supply system can automatically detect the input voltage; You can use the APC-50HF from 100V to 250V, and machine will automatically adjust accordingly; It is designed with multiple safety protection functions, such as automatic voltage fluctuation compensation, over-heat protection, over-current protection, and over-load protection.The advanced lightweight model design makes the machine convenient to move around, and extending the power cord by 700 feet can still resists power fluctuations and cable attenuation; It is fully suitable for demanding advanced work, as well as at home projects and repair.80% duty cycle can ensure long-term and efficient cutting; NPT 1/4 inch industrial D-type coupler can easily and quickly connect to the air compressor; The air filter is pre-installed in the machine and controlled automatically by a solenoid valve, making it simple to use; The automatic temperature control fan allows the machine to run quietly.CA Residents: Prop 65 Warning(s)