Features of Pulse TIG Welder WSME315: 1. IGBT inverter technology and precision constant current feedback control technology, soft switch, high working efficiency; 2. Wide working voltage range, strong adaptability to electricity power grid fluctuation, excellent arc striking performance; 3.Thermostatic protection, over-voltage protection, over-current protection, under-voltage protection,; 4. Applicable for TIG and MMA welder; 5.Suitable for metal sheets: stainless steel, carbon steel, alloy steel, titanium, etc; 6.Complete accessories: welding torch, welding cable, earth clamp, welding holder. Parameters of Pulse TIG Welder WSME315: Model Spec. WSME-315Power supply voltage 3-ph AC 380±10% V / 50 60 HzPower supply capacity 9.3 kVA Rated input current 14.4 ANo-load voltage 62 VDuty cycle 60%Output current range 5-315 APulse frequency 0.5-12 HzUp-slope time 0-10 sDown-slope time 0-10 spre-flow time 1 sPost-flow time 0-30 sWeight 40 kgDimensions (mm) 575*325*585