Iglobalbuy Portable CUT50 50AMP Air Inverter Plasma Cutter with Digital LED Display &Pressure Gauge Power supply voltage: 110/22010% Power supply Capacity: 5.5KVA;Efficiency: 85%. No-load voltage: 220V; Current range: 10-50A; Duty cycle(%): 60; Cutting thickness: 1-12MM. Arc striking: contact; Power factor: 0.93; Protection class: IP21; Insulation class: F. Feature: Stabilizing, Lightness, Save-energy,no noise, High cutting speed, no polish demands. 2 years warranty;Brand New, item ship from US, estimate receiving time 2-6 business days.