The PowerPlasma 52i features the latest in IGBT inverter design technology. This unit boasts a full digital design, with reduced circuit complexity and improved reliability. The digital air-pressure guide system offers digital display of actual air-pressure along with a LED system that guides the operator to the optimal air pressure for the mode being used. Additionally, you can adjust the Post-Flow time with a quick turn of the dial to suit different duty and job requirements. With 60% duty cycle, this unit has the highest rated duty cycle of any plasma cutter on the market on 1-phase 240V input.