... 4).Excellent welding performance, similar to Hitachi IGBT Inverter AC/DC Pulse Tig Welder 315A, 400A, 500A ... , deep penetration and little electrode consumption. 2. Digital single-chip microcomputer control function, preset various welding parameters.3 ... etc. TECHNICAL DATA ModelWSE-315WSE-400WSE-500Input voltage3 Phase 380V±10% 50HzRated Input current16A29A40ARated output power10.5KVA19KVA26.3KVAOpen ...