Model: NBC250 IGBT 1. IGBT inverter technology, current-mode control, reliable quality, stable performance. 2. Closed circuit feedback, constant voltage output, fits for wide voltage range. 3. Under the control of electronic reator, stable welding arc, little spattering, deep welding penetration and good welding bead. 4. Slow wire feeding during arc starting, removing the tip ball after welding enables easy arc-starting. 5. Suitable for workpiece with athickness of more than 0.8mm. 6. Small size and light weight, easy operatiom, economical and practical

