Machine features:   Easy operation   Pulse performance, especially for welding thin plates   Ability to adjust post-gas and pre-gas parameters freely   Advanced inverter technology, multifunction   Low power consumption up to 75% compared to other similar devices   Suitable for welding thin plates, hard and delicate work   Constant welding current, very low welding sound, low welding spray       Model TIG 400W Power Voltage (V) 380 (3PH) Rated input current 25.8 No load voltage 75 Current range 20~400 Rated working volt 26 Efficiency (%) 85 Duty Cycle (%) 60 Power factor 0.93 Arc setup method HF Useable electrode 1.6~6 Instalation class F Protection class IP21S Weight (KG) 55