Features: ~Automatic tracking Control Workpieces' materials: ~ABS,PS,PVC,Acrylic,Nylon,PC, PE Applications: ~Welding, Spot welding, Inserting, Riveting, forming, De-gating, Cutting..... Specifications: Series Standard Model KWB1420 KWB2020 KWB1815 KWB2615 Output(w) 1400 2000 1800 2600 Frequency(KHz) 20 20 15 15 Line Source 220V 1P 10A 12A 220V 3P 12A Control Auto Tracking Overload Protect Overload Indicating lamp Air Cylinder 63Ф x 75 Workpiece Max.Height 360mm 340mm Generator Dimension 385L x 510W x 140mm H Machine Dimension 370L x 670W x 980~1320mm Generator Weight 14kg Machine Weight 76kg Welding capacity 20 x 140 40 x140 60 x 140 90 x 240