Single Phase 220Volts Input Voltage or Three Phases 380Volts Input Voltage is available according to different markets Pilot Arc Start increases utting capability and cutting speed, it also improves working lift of torch parts 95% High Duty Cycle at 60amps and 40°C æ is available Starts Without High-frequency so it will not interfere with or damage controls or computers Grid Cutting is available Air Flow Checking function is included Built-in protection Circuit of over temperature and over voltage and over current for better reliability CNC Cutting Function and Connector is optional.