Power Weld Products TIG + ARC 400 is a heavy-duty IGBT DC inverter welding machine designed for professional fabrication and industrial welding applications. It combines TIG and ARC welding functions in a robust, easy-to-operate design. The machine features digital voltage and current meters, hot-start adjustment, arc-force control and adjustable welding current. Its durable construction and high-performance inverter technology make it suitable for demanding welding jobs, maintenance, fabrication, structural work and general industrial applications.